Borates in the Muddy Mountains, Clark County, Nevada, by Stephen B. Castor, 1993.

A report on detailed geologic mapping, section measurement, petrology, and geochemical analysis of sequences of rocks that contain colemanite deposits. The local geological setting during the middle Miocene is characterized in the context of theories about the genesis of borate deposits. Includes a stratigraphic column and geologic maps and sections of Lovell Wash and White Basin areas.

Bulletin 107, 31 pages, one 23x30" color plate, $8.00