MINERALS OF NEVADA

CONTENTS

INDEX

Acanthite, 5, 14, 19

Achondrites, 85

Ackerman Canyon Variscite Mine, 80

Adelaide, Humboldt County, 74

Adobe Range, 34

Adularia, 19, 57

Agate, 72, 77

Alice Mine, 99, 105

Alligator Ridge, 34, 37

Alpha Mine, 64

Alta Gold Company, 115

Alum district, 71

Alum Mine, 107

Alunite, 20, 28

Amazonite, 74, 78, 118

American Institute of Mining Engineers, 23

Amethyst: and Comstock district, 59; and Comstock Lode, 14; and gemstones, 72, 77-78; and mineral collecting, 111, 115

Amethyst Sage Mine, 77

Amphibole, 64

Amselco Minerals, 34

Anaconda Copper MiningCompany, 30, 30

Anaconda Corporation, 35

Anasazi, 3, 12

Andalusite, 70

Anniversary Mine, 24

Antelope Springs district, 22, 68

Antimony, 23, 27, 29, 31, 33

Antler orogeny, 7, 33

Antler Peak, 33

Apache tears, 83

Apache turquoise, 8o

Apache Variscite Mine, 8o

Apatite, 49, 65

Apex Mine, 30

Aquamarine, 72, 114

Arehart, G. B., 37, 48

Argenta deposit, 7

Argenta Mine, 26

Arsenic: and Carlin-type gold deposits, 47, 54; and gold, 32, 33; and mineral collecting, 25;and 1920s, 24; and World War II, 27, 28

Arsenopyrite, 49

Ash Meadows, 11

Assayers, 5, 31-32

Association of American State Geologists, 23

Ataxites, 85

Atomic absorption spectrometry, 31

Atomic Energy Commission, 29,101

Augusta district, 16

Aurora, Nev., 3, 10, 16, 34

Aurora (Esmeralda) district, 15

Austin, Nev., 3

Australia: gold in, 4

Awakening district, 19

Azurite Mine, 96, 105

Bailey, E. H., 28, 31, 67, 68

Bailey, Edgar, 41

Bald Mountain district, 16

Bald Mountain Mine, 37

Barcelona (Spanish Belt) district, 13, 22

Bare Mountain district, 7, 10, 25,69

Barite: and Carlin-type gold deposits, 49, 54; as gemstone, 82; as industrial mineral, 70, 71; and mineral collecting, 38, 39, 108, 110, 112, 114, 115, 116, 117; and 1920s, 24; and 1930s, 26; and 1980s, 35, 36; and Paleozoic Era, 7, 35; production of, 4

Barite Outcrop, Tybo district, 110

Barrick Gold Corporation, 4

Bartley, Dave, 20, 21

Barton, M. D., 38

Baruch, Bernard, 32

Base-metals, 3, 7, 8, 24, 30

Basin and Range province, 6

Bastin, Edson, 25

Batholithic-scale plutonism, 7

Battle Mountain, 7

Battle Mountain district: and copper, 63, 65; discovery of, 16; and gold, 34, 37; and molybdenum, 35; and porphyry-molybdenum, 61; and turquoise, 31

Battle Mountain-Eureka Trend, 47

Bauer, H. L., 30

Baxter Mine, 25

Beatty, Nev., 3

Becker, G. F., 14, 19, 40, 44

Beck-Mucket Claims, 76

Belmont district, 18, 41

Belmontite, 41

Benjaminite, 25, 44

Beryl, 8, 72-73

Beryllium, 8

Betty O'Neal Mine, 71

Big Bonanza, 4, 14

Binyon, E. O., 28

Bird Spring thrust, 93, 94

Bishop, Harry, 34

Bismuth, 49

Bismuthinite, 20

Bisoni Prospect, 73

Black Diamond Mine, jo6

Black jade (nephrite), 74

Blakeite, 41, 58

Blanchard, Roland, 31

Blatchly, Dr., 18

Bloodstone, 77

Bloomstein, E., 1, 48

Blowpipe testing, 19, 41

Blue Gem Turquoise Mine, 8o

Blue Jay Mine, 96, 97

Bluestone Mine, 63

Boak, C. C., 89

Bogwood, 77

Bonanza King Formation, 94, 95

Bonanza Opal Mine, 75

Bond, Brian, 117

Boomtowns, 4

Bootstrap district, 36

Borate minerals, 4, 11, 18, 70

Borax, 70

Borealis district, 57

Boss Mine, 92, 95, 97, 99, 105

Bottle Creek district, 27, 68

Boulder Hill Mine, 71

Breccias, 10, 56

Bristol district, 18, 30

Britton, Lee, 80

Brochantite, 111

Broken Hills district, 25

Bromargyrite, 19

Brown, T. C., 91

Browne, J. Ross, 3, 4, 18

Brucite, 8, 25, 26, 27, 71 table 11.

Buckhorn district, 34

Buckskin district, 64

Buckskin Mine, 73

Buena Vista Hills, 8, 27

Buena Vista (Unionville) district, 15

Bullfrog district, 10, 19, 38, 57, 59

Bullfrog Mine, 37, 56

Bullion district, 23, 34

Bunkerville district, 6

Burgess, J. A., 19

Burrus Mine, 57, 110

Burton, Bob, 81

Butler, Jim, 19

Cactus Springs district, 57, 59

Cahill Mine, 69

Calaverite, 53

Calcite, 38, 49, 64

Caliente, Nev., 10

Callaghan, E., 26, 28

Caflaghanite, 41, 71

Callville borate deposits, 24

Cambrian Period, 7, 94

Candelaria district, 13

Candelaria Mine, 36, 110, 111

Candelaria Variscite Mine, 79

Canyon Diablo meteorite, 89

Carbonate rock deposition, 7

Carico Lake Turquoise-Faustite Mine, 79

Carlin district, 36

Carlin Mine: and Carlin Trend, 36; and Carlin-type gold deposits, 47, 48; and gold, 30; and mercury, 67; and Nevada type localities, 40

Carlin Trend: and Carlin-type gold deposits, 47; gold production, 36, 37; and Gold Strike

open pit, 4; and invisible gold, 32, 34; and Tertiary Period, 8, 10

Carlin-type gold deposits: and Cenozoic Era, 8; characteristics of, 47; discovery of, 31-34; map of, 48; and mineralogy, 8, 37-38, 47, 48-49, 50-53 table 3, 54, 55; and mining methods, 36; and Nevada type localities, 40, 41, 44; production of, 47; and Roberts, 28; specimens of, 54-55

Carnelian, 77

Carpenter, J. M., 25

Carson, Kit, 13

Carson and Colorado Railroad, 70

Carson district, 65

Cassiterite, 10

Castle Peak district, 57, 68, 69

C. C. Boak's meteorite, 86 table 12, 89

Cement, 70

Cenozoic Era, 8-1l, 49

Central Pacific Railroad, 4

Chalcedony, 12, 77

Chalcopyrite, 53, 95

Chalcosiderite, 78-81

Chalk Mountain district, 64, 65, table 9

Chalk Mountain Mine, 111

Champion Mine, 25, 71, 73

Chert, 7, 47, 77

Chimney Creek deposit, 37

Chlorargyrite, 14, 16, 19, 56

Chondrites, 85

Chromium, 7

Chrysoberyl, 73

Church, David, 76

Churchill County, 82

Cinnabar: as a gemstone, 82; and mercury, 22, 67, 68, 69; and mineral collecting, 116; and Native American mining, 12, 67

Citrine, 77, iM

Clastic rocks, 7

Clay minerals, 4, 11, 70

Clinozoisite, 105

Clinton, H. G., 25, 26, 108, 117

Clipper deposit, 7

Cobalt, 6, 7, 18, 92, 94, 97

Cold Spring district, 16

Cold War: and mining, 29-31

Colemanite, 24

Colorado district, 12

Colorado Plateau province, 6

Columbia Plateau province, 6

Columbus (Candelaria) district, 118

Computer-generated modeling, 37

Computerized structural analyses, 37

Comstock district: and electrum, 59; and gold, 34; and mercury, 67; and mineral collecting, 108; mineral species of, 18; in 1930s, 26; and salt, 70; and silver, 57; and volcanic rocks, 56

Comstock Lode: and development of Nevada, 3, 4; and electrum, 5; and epithermal deposits, 56; and first Nevada boom 1859-1900, 13-16; and hard-rock mining, 3, 13; and Mexican mining, 13; and mineral collecting, 111; and mining innovations, 4; new gold deposits compared to, 31; production from, 14; and silver, 4, 13-14, 15, 59; and Tertiary Period, 10

Consolidated Coppermines Corporation, 21, 30, 32

Consolidated Virginia Mine, 14

Contact metasomatic deposits, 30, 62-66

Contact thrust, 93

Continental accretion, 7

Coope, Alan, 31, 34

Copper: and Bunkerville district, 6; and Cretaceous Period, 8; deposits of, 3; and

Goodsprings district, 91, 92, 94, 95, 96, 97; and Korean War, 33; and mineral collecting, 26, 109; in 1930s, 26; in 1950s, 30; in 1930s, 30; in 1980s, 36; and Robinson district, 20-22, 26, 27, 30; and Santa Fe district, 21; skarn copper, 7, 8, 30, 62, 63; and World War I, 23; and World War II, 27, 2 8; and Yerington district, 21, 30. See also Porphyry copper

Copper Basin, 31, 63

Copper-bearing oxide ore minerals, 96-97

Copper boom, 4

Copper Canyon, 10, 36, 63

Cordero Mine, 29, 30, 40, 68, 68, table io

Cordero Mining Company, 29

Cordilleran Miogeocline, 6

Cornetite, 105

Cortez district, 10, 16, 34

Corundum (sapphire), 28, 73

Courtright, J. H., 26

Cove Mine, 37, 61-62

Creedite, 82, 113

Crescent district, 22

Crescent Peak, 12

Cretaceous Period, 8, 93, 94, 95

Crow Springs district, 7, 22-23

Crystal (quartz), 77

Crystallographic determinations, 41

Cucomungo Spring, 61

Cureton, F., 31, 108

Currant district, 71

Cyanide: and gold recovery, 32, 33, 67

Cyprus Minerals Company, 35

Dadsonite, 68, io6

Daisy Mine, 25

Damele Mine, 80

Dana, E. S., 18

Dauntless Mine, III

Dawley Canyon, 72

Dayton district, 28

Dayvault, R. D., 35

Decorative stones, 82-83

Dee Mine, 36, 111

Deep-sea strata deposition, 7

Deep-vein mineralization, 8

Defense Minerals Administration (DMA), 29

Defense Minerals Exploration

Administration (DMEA), 29, 30

Defense Production Act of 1950, 29

Delamar district, 10, 18

DeLaMare, Witt "Dee", 36-37

DeMouthe, J. F., 40

Dempsey, Jack, 32

De Quille, Dan, 14-15

Designer gems, 82

Devil Peak, 93

Devonian age, 7, 94

Diamond district, 16

Diatomite, 4, 11, 30, 70

Dickson, F. W., 34, 35, 37, 41, 47

Disaster district, 30, 35

Divide district, 19

Dolomite: and Carlin-type gold deposits, 49; and Goodsprings district, 94; as industrial mineral, 70; and 1920s, 25; and Paleozoic Era, 7; production of, 4

Douglas Hill Mine, 63, 111

Dover Mine, 73, 107

Drugman, J., 96

Duffield, Ray, 76

Dumontite, 105

Dumortierite, 25, 71, 73

Dunning, G. E., 109

Duval Corporation, 30, 3 6

Eagle district, 22

Eagle Rock meteorite, 90

Early-stage-pre-gold hydrothermal mineralization, 49

Easter Blue Turquoise Mine, 81

East Gold Pick pit, 111-12

East Humboldt Range, 6

Edwards, Ben, 19

Eldorado Mountains, 6

Eldorado (Nelson) district, 12

Electron microprobe analysis, 31, 37

Electrum, S, 19, 38, 57, 59

Elements of Optical Mineralogy (Winchell and Winchell), 19

Elko, Nev., 3, 4

Elko County, 82

Ely, Nev., 3

Elyite, 63-64

Emerald, 72

Emission spectroscopy, 25

Emmons, S. F., 19, 21

Emmons, W. H., 19

Empire Gypsum Mine, 71

Environmental concerns, 38, 67

Eocene, 8, 10

Folian silica sand, 7

Epidote-group minerals, 64, 113

Epithermal deposits, 10, 56-57, 67

Erd, R. C., 31, 41

Esmeralda County, 83

Esmeraldite, 41

Eureka, Nev., 3

Eureka district, 16, 18, 108

Evaporites, 11

Everitt, Larry, 77

Excalibur Minerals, 101

Fairview district, 19

Fallon district, 34

Farrington, O. C., 88

Faults, 6

Faust, G. T., 31

Faustite, 78, 79-80

Feldspar, 70, 74

Ferdock, G. C., 48, 112

Ferguson, H. G., 19, 33

Finch, John W., 27

Finney, James, 13

Firestone Opal Mine, 76

Fish Creek district, 7, 65

Fish Lake Valley district, 68, 69

Fissure veins, 56

Fitting district, 64

Fleischmann Planetarium, 90

Florida Canyon Mine, 37

Fluorine, 8

Fluorite: and contact metasomatic deposits, 63; and Cretaceous Period, 8; and 1920s, 25; production of, 4; and Tertiary Period, 10; and World War II, 28

Fluorspar, 10, 28, 71

Foord, Eugene, 41

Fortitude Mine, 37, 65

Foshag, W. F., 25, 27

Four Clovers Mine, 82

Fox Turquoise Mine, 8o

Frankdicksonite, 40

Free gold, 15

Freeport Gold Company, 34

Fremont, John C., 4, 13

Fries, C., 28

Frondel, C., 28, 41

Fulton, J. A., 89

Gabbs brucite deposits: and contact metasomatic deposits, 66; minerals from, 71, 71 table 11; and 1920s, 25; and 1930s, 25, 26; and World War II, 27, 28

Gabbs district, 41

Gale, H. S., 19, 24

Galena, 91, 95, 96, 105

Galkhaite, 39, 105, 109, 112

Garnet: and contact metasomatic deposits, 63; as gemstone, 74; and mineral collecting, 17, 109, 112; production of, 4; and Tertiary Period, 10; and Toy district, 22; and tungsten, 23, 64

Garnet Hill, 74

Garnet Hill Recreation Area, 112

Geehan, R. W., 28

Gemological Institute of America, 77

Gemstones: and beryl, 72-73; and chrysoberyl, 73; corundum, 73; and decorative stones, 82-83; and designer gems, 82; and dumortierite, 73; and feldspar, 74; and garnet, 74; and jade, 74; and mineral collecting, 31; and opals, 72, 75-77; production of, 4, 22-23; and quartz, 77-78; and topaz, 72, 78; and turquoise, 78-81; and zoisite, 82

General Services Administrator, 29

Genesis deposit, 36

Geodes, 77

Getchell, Noble, 32

Getchellite, 54, 105, 109

Getchell Mine: and Carlin-type gold deposits, 47, 48, 54; and getchellite, 40; and gold, 37; and invisible gold, 32; and mineral collecting, 39, 105, 109, 112; and World War II, 28

Getchell Mining Company, 28

Getchell Trend, 4, 8, 37, 47

Gianella, V. P., 26, 28, 89

Gilbert district, 7

Gillis Range, 8

Gilmour, E. H., 96

Gneisses, 6

Godber Turquoise Mine, 81

Golconda district, 71

Golconda thrust, 7

Gold: and Comstock Lode, 4; and contact metasomatic deposits, 65; deposits of, 3; and

Goodsprings district, 911-93, 92 figure 3, 94; invisible gold, 31-34, 47; and Manhattan district, 20, 26, 28; and mercury as mining by-product, 67; mining boom, 4, 8; and Mormon

mining, 13; in 1930s, 26; in 195Os, 30; in 1960s, 30; in 1970s and 1980s, 35; in 1980s

and 1990s, 36-38; and porphyry-gold deposits, 61-62; production of, 36; and Robinson district, 8, 34; and Round Mountain district, 19; and Tertiary Period, 8, 10; and World War II, 28, 33. See also Carlin-type gold deposits

Gold Acres Mine, 32, 34, 47

Goldbanks district, 22, 68, 69

Gold Bar Mine, 54

Gold-bearing pyrite, 49

Gold-bearing sulfides, 49

Gold Butte district, 6

Gold Canyon, 13, 16

Gold Circle district, 59

Gold Crater district, 57

Goldfield district: discoveries of, 19-20; and epithermal deposits, 56, 57; and gold, 34;

and high-sulfidation deposits, 58; and mineral collecting, 108; minerals reported from, 3, 58, 58 table 4; and Nevada type localities, 40-41, 44; and Tertiary Period, 10; and volcanic rocks, 56

Goldfield Gem Claim, 83

Goldfieldite, 40, 44, 58, 58 table 4

Gold Hill, 13

Gold Pick pit, 54

Goldquarryite, 40

Gold Quarry Mine, 32, 40, 54, 106, 112

Goldstrike Mine, 48, 48 f19. 2, 54, 78, 112-13

Gold Strike open pit, 4

Goniometric measurements, 19

Goodsprings district: age of mineralization, 93-94; age of oxidation, 94; and contact metasomatic deposits, 66; geologic map of, 92; geology of, 93; and hard-rock metal mining, 3; and host rock minerals, 96; location of, 91; and mineral collecting, 105; minerals of, 100 table 13; and Mormon mining, 13; and Nevada type localities, 41; and 1950s, 30; primary ore mineralogy, 95-96; and railroads, 93; and secondary minerals, 96-101; structural and stratigraphic controls of ore, 94-95; and Triassic Period, 7, 93; and zinc, 20, 91-92, 93, 97-98

Gordon, Harvey, 38, 74, 113, 118

Goudey, Hatfield, 28

Goudeyite, 41, 61, 105

Granger, A. E., 26, 3 1

Granites, 8

Granitic porphyry, 8, 96

Granitic rocks, 6

Granodiorite, 8, 77

Graphite, 70

Grawe, O. R., 2, 5

Gray, Edwin, 20, 21

Gray, Jerry, 74

Great Basin region, 6, 23

Great Depression, 26-27

Green, Leslie, 89

Green Monster Mine, 95, 97, 99, 101, 105

Green Talc Mine, 73

Greystone deposit, 7

Grundy, Isaac, 13

Gypsum: and Cretaceous Period, 8; as industrial mineral, 70, 71; and Mesozoic Era, 7; and 1920s, 25; and Paleozoic Era, 7; production of, 4; and Tertiary Period, 11

Hague, Arnold, 16

Halite, 4, 11, 70

Hallman, Foster, 115

Hall Mine, 8, 82, 113

Hall Molybdenum Mine, 61

Hand, Lee, 79

Hard-rock mining, 3, 13

Hausen, D. M., 34, 37

Heald, P., 38

Heavy Metals Program, 34

Hematite, 10

Hemimorphite, 111

Henderson, Nev., 3

Hess, F. L., 23

Heterogenite, 105

Hewett, D. F., 91, 93, 94, 95, 97, 98, 99, l05

Hexahedrites, 85

High Line Mine, 97

High-sulfidation deposits, 57, 58

Hill, J. M., 25

Himalaya Mining Company, 79

Hinrichs, E. N., 72

Hitchborn, A. D., 48

Hlava, P., 96, 99

Hodson family, 75

Hodson opal, 75

Hoffman, W. J., 72

Hofstra, A. H., 48, 49, 59

Hog Ranch Mine, 57, 59

Hollabaugh, C. L., 109

Holmes, G. H., 28

Holocene, 11

Honest Miner claim, 12

Horn silver, 16, 56

Horse Canyon Mine, 37

Horton, R. C., 12

Hot spring mineralization, 10

Hot Springs meteorite, 86 table 12, 90

House, Carl, 81

Howell, Eugene, 88

H11bnerite, 18, 22, 40, 44

Humboldt County, 82-83

Humboldt Iopolith, 8

Humboldt Marsh, 11

Humboldt Range, 22

Hunt, S. F., 26

Huntite, 71

Hurlbut, C. S., Jr., 28

Hydromagnesite, 25

Hydrothermal activity, 8, 49, 70, 75

Hydrothermal alteration, 19

Hydrothermal processes, 37, 49

Hydrozincite, 105

Igneous activity, 6, 7, 10

Igneous intrusions, 6

Igneous rocks, 10, 47, 49, 70

Ilchick, R. P., 48

Illite, 49

Imlay district, 32

Incline Village pegmatites, 113

Independence district, 54

Independence Mountains, 8, 47

Independence Mountains Mines, 48

Independence Range, 34, 49

Indian Blue Mine, 12

Industrial minerals, 70-71

International Mineral

Association (IMA), 40

Intrusive activity, 62-63, 93

invisible gold ore, 31-34, 47

Iodargyrite, 19

Ion microprobes, 37

Iron: and Carlin-type gold deposits, 47; and contact metasomatic deposits, 63; deposits of, 3, 18; and Jurassic Period, 8; in 1950s, 30; in 1930s, 30; in 1980s, 36; and skarn deposits, 64-65; and World War II, 27, 28 Iron Canyon, 34 Iron Gold Mine, 94, 96

Iron meteorites, 85, 87, 88

Ivanhoe district, 68, 69

Izenhood district, 10, 28

Jade, 74

Jarbidge district, 19, 57

Jasp-agate, 77

Jasper, 72, 77

Jedwab, J., 95, 99

Jefferson district, 16

Jenney, Walter P., 88

Jensen, M., 38

Jensen, M. C., 105, 106, 109

Jerritt Canyon, 34

Jerritt Canyon Mine, 37

Johnnie gold-mining district, 7

Johnson, Harold, 81

Johnson, J. J., 29

Johnson, Jon, 115

Johnson, Ted, 81

Joint Committee on Chemical Analysis by X-ray Diffraction Methods, 44

Joint Committee on Powder Diffraction Standards, 44

Jolly balance, 19

Jones, C., 38

Jones, E. L., Jr., 23

Jones, J., 38

Joralemon, Peter, 34, 37

Joy Lu 55 Opal Mine, 76

Julie claims, 8, 113

Jurassic Period, 7, 8, 30, 65, 93

Kealy, J. V., 91

Kearsarge claim, 20

Keiper, Fred, 90

Kenhsuite, 40

Kennecott Copper Corporation, 21, 30

Kennecott Rawhide Mining Company, 116

Ken Snyder Mine, 113

Kerr, P. F., 25, 26, 28, 34, 37

Keystone Mine, 91, 93, 95

Keystone thrust, 93, 94, 95

Killie Mine, 64, 65 table 8

King, Clarence, 14

King, H. O., 28

King, J. P., 88

King, W. H., 28

Kirby Mine, 97

Kleine, S., 38, 105

Knopf, Adolf, 19, 21, 22, 96

Korean War, 30, 33

Kral, V. E., 28, 30

Kramer borate deposit (Calif.), 24

Kuehn, C. A., 48

Laffitite, 54

Lake Mead, 11

Lamoille Canyon, 72

Lander Ranch Chalcosiderite Mine, 81

Laney, F. B., 19

Larsen, E. S., 23, 24, 25

Las Vegas, Nev., 6, 25

Las Vegas district, 23, 30

Las Vegas meteorite, 86 table 12, 88-89

Lavina Mine, 94, 95, 96

Lavina Wash, 93

Lead: and Goodsprings district, 91, 92, 93; and Mormon mining, 13, gi; and 1950s, 30; and

1980s, 36; and Robinson district, 8; and Tertiary Period, 10; and World War I, 23

Lead-zinc oxide ore minerals, 97-101

Leavitt, Dudd, 13

Lees, Brian, 117

Lehman Caves, 83

Lemon Meringue Mine, 76

Leonard district, 64

Libethenite, 105

Limestone: and Goodsprings district, 94; as industrial mineral, 70; and mercury, 68; and

1920s, 25; and Paleozoic Era, 7; production of, 4; and Tertiary Period, 11

Linarite, 105

Lindgren, Waldemar, 19, 21

Linka Mine, 64

Lithium, 4, 70

Lithium carbonate, 11

Little Britches Mine, 71

Little Joe and Hoss Opal Mines, 76

Livermore, John, 34

Lodi district, 64

Lombardo, W., 38

Lone Mountain Turquoise Mine, 79

Lone Tree Mine, 37, 48, 54-55, 113

Lord, Eliot, 13, 15-16

Los Angeles Gem Company, 79

Lost Steers Mine, 22

Louderback, G. D., 19

Lovelock, Nev., 3

Low-sulfidation deposits, 57

Ludwig, 82

Ludwig Mine, 63

Luning deposits, 25

Lynn district: and barite, 71; and Cenozoic Era, 8; discovery of, 19; and gold, 31, 34, 36, 47

Mackay, J. W., 23, 44

Mackayite, 40, 44, 5 8

Mackay School of Mines, 17, 23, 25

Mafic intrusions, 6, 63

Maggie claims, 32

Maggie Creek district, 16, 32, 36

Magmatism, 7, 8, 10, 57

Magnesite: and Cretaceous Period, 8; and decorative stones, 83; as industrial mineral, 70; minerals from, 71 table 11; and Tertiary Period, 11; and World War II, 27

Magnesium, 9

Magnesium minerals, 4

Majuba Hill district, 10, 28

Majuba Hill Mine, 30, 41, 61, 62, 62 table 6, 109, 113-14

Majuba meteorite, 86 table 12, 90

Malachite, 12

Mammoth district, 16, 18, 40

Manganese: and 1950s, 30; production of, 4; and Robinson district, 8; and Tertiary Period, 11; and tungsten, 18; and World War I, 23; and World War 11, 27, 28, 29

Manhattan district: discovery of, 16; and gold, 20, 27, 28; and Nevada type localities, 41; and Tertiary Period, 10

Manhattan Project, 101

Marble, 83

Marigold Mine, 37, 54

Marine deposition, 6, 7

Mason Pass Mine, 63

Mass spectrometry methods, 37

Matson, E. J., 28

Mauzy, Eddy, 81

McCormack, J., 99

McCormick, Harold, 90

McCoy district, 19, 37, 65

McCoy Mine, 37, 65

McDermitt caldera, 10, 30, 35, 40, 68

McDermitt Mine, 29, 40, 67, 68 table 10, 69

Megapit Mine, 4

Meikle Mine: and barite, 39, 54, 82; and gold, 36; and mineral collecting, 38, 39, 108, 110, 114; and sphalerite, 49

Melhase, John, 27, 5 4, 108

Mercur Mine (Utah), 31, 47

Mercury: deposits of, 3, 67-69; discoveries of, 22; and Korean War, 33; and Nevada type localities, 40; and 1920s, 24; and 1950s, 30; and 1980s, 36; and Tertiary Period, 10; and World War II, 27, 28, 29

Mesosiderites, 87

Mesozoic Era, 7, 8, 68, 93, 94

Metallic mineralization, 7, 10

Metallic-ore deposits, 7

Metamorphic rocks: and Carlin-type gold deposits, 47; and gemstones, 72, 73, 74; and mountain ranges, 6

Metaschoderite, 41

Metastibnite, 40, 44

Meteorites: appearance of, 87; composition of, 85, 87; data on, 86 table 12; examples of,

86 table 12, 88-90; location of, 87-88; and terminology, 84

Meteoroids, 84

Meteors, 84

Mexicans, and mining, 12-13

Microbeam technology, 44

Microscopic Determination of Non-Opaque Minerals (Larsen), 25

Microscopical Determination of Opaque Minerals (Murdoch), 24

Midas district, 10

Midas Mine, 37, 56, 57

Middle Proterozoic, 6

Milford #1 Mine, 97, 98, 99, 100

Milford #3 Mine, 95, 98, 99, 101

Mill City district, 8, 23, 26, 27, 64

Mineral Basin (Buena Vista) district, M, 27, 65

Mineral collecting: and Buena Vista Hills, 8; and Majuba Hill Mine, 62; market growth in, 5, 38-39; Nevada as site for, 108-118; in 1920s, 25-26; in 1930s, 27; in 1950s and 1930s,

31; in 1980s and 1990s, 38; personal history of, 105-7; and skarn deposits, 64; and volcanic rocks, 59

Mineral County, 83

Mineralogy: and Carlin-type gold deposits, 8, 37-38, 47, 48-49, 50-53 table 3, 54, 55; and Comstock Lode, 14; and first mining boom 1859-1900, 16-19; and Goldfield district, 19-20; and Goodsprings district, 95-96; growth of field, 108; and mercury deposits, 68-69; and Nevada type localities, 41; and 1920s, 24-26; and 1950s and 1930s, 31; and 1970s and 1980s, 35; and Robinson district, 21; and Tertiary Period, 10; and Tonopah, 19; and World War I, 23-24; and World War II, 28

Minerals: importance of, 3-5; industrial, 70-71; strategic, 27-29, 33

Mineral wealth, 3, 4, 6, 8

Mining: and Cold War, 29-31; and development of Nevada, 3-4; 1859-1900, 13-19; and energy-

related mining, 35-36; hardrock, 3, 13; innovations in, 4; and invisible gold, 31-34; and

Mexicans, 12-13; and mining district discovery rates, 15-16; and Mormons, 3, 13; and

Native Americans, 3, 12, 67, 78; 1900-1918, 19-23; 1920s, 24-26; 1930s, 26-27; 1950s and

1930s, 29-31; 1970s and 1980s, 35-36; 1980s and 1990s, 36-38; placer mines, 13, 28; present and future, 38-39; and World War 1, 23-24; and World War II, 27-29. See also Open-pit mining; Precious-metal mining; Underground mining

Mining camps, spread of, 15-16

Mining districts: discovery rates of, 15, 15 fig. 1, 16; ore minerals of, 18; organization of, 19; value of production in, 9 table 1. See also specific districts

Mining economy, and Carlin-type gold deposits, 9

Mining towns, histories of, 3-4

Minnesota Mine, 64

Miocene, 10, 11, 75, 93, 94

Miogeoclinal deposition, 6, 7

Mississippian, 7, 94

Mitchell, J. R., 77

Mobile Mine, 99

Modell, David, 26

Mohawk Mine, 40

Molybdenum: and Devonian, 7; and Goodsprings district, 92; and 1970s and 1980s, 35, 36; production of, 4; and Robinson district, 8; and Tertiary Period, 10

Monte Cristo Formation, 94, 95

Montmorillonite clay, 11

Moonlight Mine, 30

Moonstone (feldspar), 74

Moonstone (obsidian), 83

Morey district, 7

Mormons, and mining, 3, 13

Mountain City district, 16, 26, 27

Mountain district, 16

Mountain ranges, 6

Mount Airy Blue Chalcedony Mine, 77

Mount Hamilton district, 8

Mount Hope district, 10, 35, 61

Mount Wheeler, 8

Mount Wheeler Mine, 114-15

Muddy Mountains, 24

Muller, S. W., 33

Murdoch, J., 24

Murphy, L. J., 89

Murray Mine, 38, 39, 54, 110, 115

Myler Mine, 105

National district, 59

National Research Council, 23

Native Americans, and mining, See Mining, and Native Americans

Native gold, 49, 5 9

Native silver, 15, 53, 59

Neutron activation analysis, 31

Nevada: economy of, 9, 16; industrial minerals of, 70-71; meteorites of, 84-90; mineralogical collection of, 17-18; as site for mineral collecting, 108-118

Nevada Bureau of Mines and Geology (NBMG), 25, 26, 28, 30-31, 35

Nevada Consolidated Copper Company, 21

Nevada district, 23

Nevada Territory, 3, is, 16

Nevada Test Site, 13

Nevada type localities, 40-41, 42-43 table 2, 44, 61, 68, 71, 105

New Almaden Mine, 67

Newberry Mountains, 6

Newmont Mining Company, 4, 31, 32, 33, 34

Nickel, 6, 7, 18,

Nightingale district, 64, 105

North Slope oil field, 35

Northumberland district, 10, 32, 71

Northumberland Mine, 3 7, 54, 115

Number 8 Turquoise Mine, 79

Nye County, 7, 83

O'Brien, J. D., 26

Obsidian, 12, 83

Octahedrites, 85

Office of Minerals Exploration (OME), 30

Ogden, Peter, 13

Oligocene, 10

Olinghouse district, 57, 59, 115

Olinghouse Mine, 59, 115

Olson, R. H., 72

Onyx, 83

Opalite, 77

Opalite district, 27, 29, 35, 68, 68 table 10

Opalite Mine, 68

Opals: as gemstones, 72, 75-77; and mineral collecting, 311, 106, 117; and Tertiary Period, 11; and Virgin Valley district, 23

Open-pit mining: and environmental concerns, 38; and invisible gold, 32, 33; and opals, 75-76; and Robinson district, 30; and turquoise, 79; and variscite, 80

Open-space deposition, 56

Ophir discovery, 5, 14

Optical goniometer measurements, 41

Optical mineralogy, 19

Ordovician, 7

Ore, mineral composition of, 5

Oreana, Pershing County, 73

Oreana brucite deposits, 25

Oreana Mine, 73

Ore dressing technology, 14

Oro Am1igo Mine, 95

Orogenic deformation, 6, 7

Orpiment: and Carlin-type gold deposits, 54; crystal habit of, 26; and mineral collecting, 38, 39, 105, io6, 109, 112

Orthoclase, 105

Orthoquartzite, 47

Osceola district, 18, 22

Osgood Range, 32

Oxidation, 94

Oxidation mineralogy, 31

PABCO Mine, 11

Pabst, Adolf, 25

Pacific Coast Borax Company, 70

Pacific Plate, 30

Palache, Charles, 26, 28, 40, 41

Paleozoic Era, 7, 35, 49, 93, 94

Palladium, 92-93, 94

Pallasites, 87

Palmetto district, 25

Panhorst, T. L., 48

Panning, 31

Papke, K. G., 35

Paradise Peak, 10

Paradise Peak district, 57

Paradise Peak Mine, 37, 56, 57

Paragenesis, 49

Pardee, J. T., 23

Parnau, Jack, 31, 105, 106

Parnauite, 41, 61, 105

Parsons, A. B., 20-21

Pegmatites: and beryl, 72; and Cretaceous Period, 8; and Gold Butte district, 6; and industrial minerals, 70; and mineral collecting, 109, 113

Pendleton, Norman, 105

Penrose, R. A. F., Jr., 18

Perlite, 4, 70

Pershing Mine, 67

Peters, S. G., 48

Petersen Mountain, 39, 115-16

Petersen Peak, 77-78

Petrified wood, 72, 75, 77

Petrographic examinations, 19, 23, 24, 44

Phenakite, io6

Phinisey, J. D., 48

Phoenix, D. A., 28-29, 68

Phosphate minerals, 4, 54

Pilot Mountains district, 22, 68

Pilot Peak Turquoise Mine, 81

Pine Grove Hills, 7

Pinson Mine, 37

Pioche, Nev., 3, 10, 15

Pioche district, 23, 30

Pipeline Mine, 4, 37

Pittman Act Of 1923, 24

Placer deposits, 31

Placer Dome Inc., 4

Placer mines and miners, 13, 28

Plasma emission, 37

Platinum, 6, 7, 8, 92-93, 94

Playa deposits, 11

Pliocene, 11, 70

Polarizing microscope, 44

Pollution, 38

Polybasite, 5, 19

Polymetallic skarn deposition, 8

Porphyry copper: and contact metamorphic deposits, 63; and Cretaceous Period, 8; and Jurassic Period, 7, 8, 30; and 1950s, 30; and 1930s, 31, 33; and Robinson district, 30-61, 62, 63; and Tertiary Period, 10

Porphyry Gulch, 93

Porphyry molybdenum, 8, 10, 61

Porphyry-type deposits, 10, 30-62

Post-gold secondary mineralization, 49, 54

Potosi district: and Cretaceous Period, 8; and gold, 28, 32, 37, 54; and industrial minerals, 71; production mining in, 16; and tungsten, 23, 64

Potosi Mine, 13, 91, 94, 95, 98, 99, 101

Potts, Joe, 81

Pough, F. H., 27, 28

Pough, Frederick, 41

Prairie Flower Mine, 99, 101

Precambrian, 6-7

Precious-metal mining: and mineralogy, 37; and 1920s, 24; and 1930s, 26; and 1950s, 30; and volcanic rocks, 56-59. See also specific precious metals

Prenn, N., 38

Presidential Order L-208, 33

Proterozoic, 6

Puelz Mine, 93

Pullman, S., 38

Pumice, 70

Purcell, V. L., 109

Pyragyrite, 5

Pyramid district, 57, 59

Pyramid Lake, 10, 83

Pyrite, 49

Pyrophyllite, 70

Pyroxene, 64

Quartz, as gemstone, 77-78

Quartz crystal: and Carlin-type gold deposits, 49; and Comstock Lode, 14; and mineral collecting, 39, 105, 115-16; and Native American mining, 12

Quartz Mountain meteorite, 89-90

Quicksilver deposits, 24, 29

Quinn Canyon meteorite, 86 table 12, 88

Rabbit Creek Mine, 37

Radtke, A. S., 31, 34, 35, 37, 41, 47, 67

Radtkeite, 40

Railroad district, 36

Railroad industry, 4

Rainbow Ridge Opal Mine, 75

Rain Mine, 55, 78

Ranching, 4

Ransome, F. L., 19, 20, 24, 41, 44

Ravenswood district, 16

Rawhide district, 19

Rawhide Mine, 37, 56

Realgar: and gemstones, 82; and mineral collecting, 38, 105, 106, 109, 112, 117

Red Bird Mine, 40, 68, 69, 106, 116

Red Rock, Nev., 8

Reese River (Austin) district: discovery of, 15, M; and mineral collecting, 108; minerals of, 18; and uranium, 30, 35

Reeves, R. G., 30, 65

Refractory ores, 32, 33

Regent Mine, 116

Relief Canyon district, 10

Reno, Nev., 4

Replacement veins, 56

Requa, Mark L., 21

Rhodes Marsh, 18, 70

Rhyolite, 82-83

Richard Mine, 26, 62, 64

Richards, Kenyon, 26

Rickard, T. A., 14, 20

Rio Tinto Mine, 7, 26

Riotte, Eugene N., 18, 40, 44

Roberts, R. J., 28, 33, 34

Roberts Mountains, 33

Roberts Mountains thrust, 7

Robinson district: and Cenozoic Era, 8; and copper, 20-21, 26, 27, 30; and Cretaceous Period, 8; discovery of, 15; and gold, 8, 34; and mineral collecting, 64; minerals of, 30, 61 table 5; in 1930s, 26; and porphyry copper, 60-63; and Tertiary Period, 10

Robinsonite, 68, io6

Rochester district, 20

Rochester Mine, 36

Rockhounds, 31, 75, 76. See also Mineral collecting

Rock shops, 31

Rogers, A. S., 25

Roosevelt, Eleanor, 32

Root Mine, 97

Rosasite, 105

Rose, Chris, 77

Rosebud Mine, 37, 59

Rossi deposit, 7

Round Mountain district, 10, 19, 22, 57, 59

Round Mountain Mine, 37, 116,

Round Mountain Partnership, 4

Royal Blue Turquoise Mine, 79

Royal Peacock Opal Mine, 75-76

Royal Rainbow Mine, 76

Royston district, 8

Ruby Hill Mine and gold, 37

Ruby Mountains, 72, 74

"Rush to White Pine, " M

Ruth Mine, 20, 21, 99

Ryan Canyon, 82

Rye Patch district, 30

Rytuba, J. J., 35

Sacramento district, 20

Salt, 3, 11, 12, 18, 70

San Antone district, 13, 35

Sand and gravel, 70

Sand Springs Marsh, 18

San Pedro, Los Angeles and Salt Lake Railroad, 93

Santa Fe district, 10, 21, 63, 64

Saponite clay, 11

Saunders, J. A., 38

Scanning electron microscopy, 31, 37, 44

Schaller, W. T., 19, 25, 27, 28

Scheelite, 8, 22, 64, 'IS

Schilling, J. H., 35, 66, 71

Schmidtlein, Charles, 80

Schoderite, 41

Schuetteite, 67, 69

Scrap recovery, 27-28

Scrugham, James (Nevada congressman), 27

Seabrook, J., 36, 37

Searles Lake, 11

Secondary carbonate minerals, 101

Sedimentary rock deposition, 6, 7, 11, 70

Sedimentary rocks: and Carlin-type gold deposits, 37, 47, 49; and Cretaceous Period, 8; and mercury, 68; and mountain ranges, 6; and Tertiary Period, 11

Seigel district, 23

Seismic activity, 6

Seligman stock, 8

Sepiolite clay, 11

Seven Troughs district, 59

Sevier orogeny, 7

Shaw, F. R., 30

Sheep Creek Range, 34

Shoshone district, 22

Sierra Nevada province, 6

Silica, 70

Silver: and Comstock Lode, 4, 13-14, 15, 59; demonetizing of, 16; deposits of, 3; discoveries of, 15; and Goodsprings district, 92, 94; and mineral collecting, 110, 111; in 1920s, 24; in 1950s, 30; in 1970s and 1980s, 35-36; and Robinson district, 8, 20; and Rochester district, 20; and salt, 70; and Tertiary Period, 10; and Tonopah, 19, 26; and Triassic Period, 7; Twain on, 16; and volcanic rocks, 37, 56; and White Pine, 16

Silver boom, 4

Silver Coin Mine, 78

Silver Dyke Mine, 23

Silver Peak district, 10, 11, 72

Silver Star district, 22, 23, 26

Silver sulfide, 5, 14

Simmons, George, 78

Simmons Turquoise Mine, 78-79

Singer Mine, 93, 98, 99

Sinkankas, J., 77

Skarn copper, 7, 8, 30, 62, 63

Skarn deposits, 10, 23, 63, 64-65

Skarn gold, 10

Sleeper Mine, 10, 37, S6, sg

Smith, A. F., Jr., 41

Smith, Bishop, 13

Smith, David, 82

Smith, Francis Marion "Borax," 70

Smith, Grant, 5, 13, 14

Smith, Jedediah, 13

Smith, Mike, U3

Smith, W. C., 28

Smithsonite, 105

Smoky quartz, 77, 78, 109, 118

Soapstone, 12

Sodium carbonate, 70

Sodium sulfate, 70

Sonoma orogeny, 7

Sonoma Range, 33

Soule, J. H., 28

South Africa, 4

Spangolite, 105

Specific gravity measurements, 41

Spencer, A. C., 21, 30

Spessartine, 82

Sphalerite, 49, 95, 96, 105, 113

Springer, H. E., 25

Spruce Mountain district, 63

Spurr, J. E., 19

Staatz, M. H., 30

Stager, H. K., 64

Stalin's Present, 30

Standard Mine, 32, 34, 47

Stank Mine, 64

Starfire Opal Mine, 77

Star Mine, 93

Steamboat Springs, 116-17

Steamboat Springs district, 22, 44, 67, 106

Stephanite, 5, 15, 19

Sterling Mine, 37, 55

Stetefeldt, Charles, 18

Stetefeldtite, 40, 44

Stewart, H. J., 13

Stewart, J. H., 7

Stibnite: and Carlin-type gold deposits, 5s; and mineral collecting, 38, 39, 106, 108, 110, 112, 115, 118

Stolburg, C. S., 54, 109

Stone, as industrial mineral, 70

Stony-iron meteorites, 85, 87

Stony meteorites, 85, 87

Strategic and Critical Materials Stock-Piling Act (1946), 29

Strategic Materials Act 1939), 27

Strategic minerals, 24, 27-29, 33

Stretch, R. H., 17, 41

Strike-slip faults, 6

Subduction, 7

Sulfur, 70

Sulfur deposits, 24

Sulfur Pit, Crescent Valley, 117

Sulphur district, 10, 57

Sultan Limestone, 94

Super X Turquoise Mine, 81

Swales Mountain, 34

Swordfish Mine, 76

Sylvania district, 25

Table Mountain, 93, 94

Table Mountain (Cottonwood Canyon) district, 18

Tactite, 23, 63

Taglo Mine, 72, 73

Takahashi, T., 95, 98, 101

Talc, 25, 70

Taubert Turquoise Mine, 81

Taylor Mine, 36

Tectonic superposition, 7

Tectonism, 8

Teels Marsh, 73

Tern Piute district, 8, 64

Ten Mile district, 59

Tertiary Period, 8, 10, 11, 68, 93, 94

Thoenen, J. R., 28

Thomssen, R., 38, 101

Three Kids Mine, 27

Thrust faults, 7, 33

Thulite, 82

Thurston, R. H., 30

Tin, 10, 28

Tingley, J. V., 64

Tolicha district, 59

Tonopah Banking Corporation, 88

Tonopah district: and low-sulfidation deposits, 59; and mineral collecting, 27, 108; and

mineral discoveries, 3, 16, 19-23; and 1930s, 26; production from, 19, 24; and silver,

57; and Tertiary Period, 10; and Triassic Period, 7; and uranium, 3 5; and volcanic rocks, 56

Tonopah-Divide Mine, 59

Topaz, 72, 78, 118

Topaz rhyolites, io

Toquima Range, 12

Toy district, 22

Travertine, 83

Treasure Hill, 56

Trengrove, R. R., 28

Triassic Period, 7, 65, 93

Trim, H. E., 65

Trites, A. F., 30

Tufa, 83

Tule Canyon district, 61

Tungsten: and contact metamorphic deposits, 64; and Cretaceous Period, 8; discovery

of, 18; and Jurassic Period, 8; and Korean War, 33; and 1930s, 26; and 1950s, 30; and

1970s and 198Os, 35; and 1980s, 36; production of, 4; and Toy district, 22; and World

War 1, 23; and World War II, 27, 28, 29

Turquoise: as gemstone, 78-81; and Jurassic Period, 8; and mineral collecting, 31, 110;

mining of, 3, 22-23; and Native American mining, 12; production of, 4

Turquoise Bonanza Mine, 81

Turquoise Ridge, 37

Tuscarora district, 10, 18, 56, 57, 108

Tuscarora Range, 34

Twain, Mark, 14, 16, 38

Twin Creeks Mine, 4, 37, 38, 39, 54, 110, 117

Twin Springs district, 88

Ulexite, 18

Umpleby, J. B., 23

Underground mining: and environmental concerns, 38; and Goodsprings district, 20; and

Native Americans, 3, 12; and opals, 75; and Robinson district, 21

Union district, 12, 16, 22, 68, 69

Unionville, Nev., 3, 16

Uranium, 10, 29-30, 35, 101

U.S. Bureau of Mines (USBM), 23, 27, 28, 32, 34

U.S. Congress, 27

U.S. Department of the Interior, 29, 30

U.S. Geological Survey (USGS): and invisible gold, 34; and 1920s, 25; and 1930s, 31, 34;

and Roberts Mountain thrust, 7; and World War I, 23, 24; and World War II, 27, 28, 29

U.S. Geological Survey bulletin, 23, 24

U.S. Treasury, 24

Uytenbogaardtite, 38

Vanadium, 92, 94

Vanderburg, W. O., 12, 26, 32-33, 34

Variscite, 4, 78-81

Vegasite, 41

Vein-type deposits, 10

Vesuvianite, 64, 82

Victoria Mine, 117

Vikre, P. G., 41

Virginia City, Nev., 3, 4, 14, 16

Virgin Mountains, 72

Virgin Valley district, 23, 30, 39, 75-76, 106

Virgin Valley Opal Fields, 117

Volcanic cinder, as industrial mineral, 70

Volcanic rocks: and Cretaceous Period, 8; and gold, 37, 38; and mercury, 68; and mountain

ranges, 6; and Paleozoic Era, 7; precious-metal deposits in, 56-59; and Tertiary Period, 10

Volcanism, 7, 10

Von Richthofen, Baron Ferdinand, 14

Wahmonie district, 3, 13

Wakabayashilite, 25-27, 54, 108, 117-18

Waldis, John T., 89

Walker, Joseph, 13

Walker Lane, 6

Wallace, A., 37

Waning gold deposition, 49, 53

Ward district, 10, 63, 64, 64 table 7

War Minerals Committee, 23

War Production Board, 27-28

Washoe County, 83

Washoe Rush, 14

Webber family, 76

Webber Opal Mine, 76-77

Wedekind district, 57

Wet chemical methods, 41

Whale Mine, 99

Wheeler Peak Mine, 65, 73

White, S., 99

White Caps Mine: and Carlin-type gold deposits, 47; and invisible gold, 31-32; and mineral collecting, 105-106, 108, 117-118; in 1930s, 26; and stibnite, 54

White Pine Copper Company, 21

White Pine County, 83

White Pine district, 16, 18, 56, 63

Whitmore, Cliff, 88-89

Widmanstatten patterns, 88

Wier, Jeanne, 88

Wieting, Aaron, 116

Wieting, Jade, 116

Wildlife habitat, 38

Williams, S. A., 31, 35

Williams, Sidney, 41

Winchell, A. N., 19

Wingfield, George, 32

Winnemucca, Nev., 3

Wise, W. S., 35

Witters, G. C., 111

W. M. Keck Museum, 23, 26, 97, 105, 109, 115, 117

Woitsekhowskya, M., 49

Wollastonite, 64

Women, and mining, 27

Wonderstone, 82-83

World War I: and mining, 23-24; and tungsten, 22, 23-24

World War II, and mining, 27-29

Wulfenite, 99-101

X-ray diffraction methods, 26, 31, 44

X-ray fluorescence spectrometry, 31

Yellow Pine district. See Goodsprings district

Yellow Pine Mine, 94-95, 97, 98, 99, 105

Yellow Pine Mining Company, 91, 93

Yellow Pine sill, 93, 94

Yerington, Nev., 3, 7, 105

Yerington batholith, 7

Yerington district: and copper, 21, 30, 61, 627 63, 64; discovery of, 16

Zapot claims, 8, 78, 118

Zapot Mine, 106

Zapot pegmatite, 74

Zeolite minerals, 4, 70

Zinc: and Goodsprings district, 20, 91-92, 93, 97-98; and 1950s, 30; and 1980s, 36; and Robinson district, 8; and Tertiary Period, 10; and World War 1, 23; and World War II, 28

Zoisite, 82