 |
Nevada Bureau of Mines and GeologyAnalytical Laboratories |
Standard Reference Materials
revised: 01-Feb-2007
|
Nevada Bureau of Mines and GeologyAnalytical Laboratories |
revised: 01-Feb-2007
There are several reference materials (SRMs) available at the Nevada Bureau of Mines and Geology. These SRM’s are available in 300g bottles @ $50.00 each and 30g bags @ $7.00 each. If you purchase more than 10 bottles you will receive a 10% discount. These prices do not include shipping and handling. For information about availability and shipping contact the Publication Sales offices at (775) 682-8766 or by e-mail: cstock@unr.edu. For more information about each SRM see the Nevada Geology articles: The NBMG Standard Reference Material Project (Spring 1991) and The NBMG Standard Reference Material Project (Winter 1989).
| NBM-1a: | Paradise Peak, andesite-hosted Au-Ag background |
| NBM-1a: Au: 3.0 ppb, Ag: <100 ppb | |
| NBM-2a: | Jerritt Canyon, carbonaceous Au-Ag background and ore |
| NBM-2a: Au: 5.0 ppb, Ag: 200 ppb | |
| NBM-3b: | Round Mountain, rhyolite-hosted Au-Ag background and ore |
| NBM-3b: Au: 2.972 opt, Ag: 1.71 opt | |
| NBM-4a | Mesquite Mine, metasediment-hosted Au-Ag background and ore |
| NBM-4a: Au: 75 ppb, Ag: <300 ppb | |
| NBM-5b*: | Boss Mine, carbonate-hosted, hydrothermal Au-Pt-Pd ore |
| NBM-5b: Au: 1074 ppb, Pt: 302 ppb, Pd: 874 ppb | |
| NBM-6a, 6b*: | Stillwater Mine, mafic intrusive-hosted Pt-Pd background and ore |
| NBM-6a: Au: 12 ppb, Pt: 122 ppb, Pd: 450 ppb | |
| NBM-6b: Au: 0.024 opt, Pt: 0.334 opt, Pd: 1.000 opt |
*These are preliminary data.
ppb = parts per billion, opt =
troy ounce(s) per short ton