B 87

Evaporites and brines in Nevada playas, by Keith G. Papke,1976.

Describes playas, playa deposits, and commodities in Nevada playas: sodium chloride (halite), borates (borax, ulexite, colemanite), sodium carbonate (trona, gaylussite), sodium sulfate (mirabilite, thenardite), potassium, and lithium; references and index.

Supplements material in B65; additional information on industrial minerals available on M46.

Bulletin 87, 35 pages, 11x8.5", 7 b/w drawings, 9 b/w photos, 5 tables, 1 plate--1:1,000,000, major playas and saline deposits, 32x22", 2 color, $6.00