Reports

Clay Mineral Composition of Borate Deposits and Associated Strata at Boron, California

Science  10 Jul 1959:
Vol. 130, Issue 3367, pp. 102
DOI: 10.1126/science.130.3367.102

Abstract

X-ray analyses of samples from lacustrine deposits in the Kramer borate district of California show that montmorillonite is the dominant clay mineral, and that illite is abundant in red siltstones, common in green and gray borate-barren claystones, and sparse in borate-bearing rocks. Kaolinite is present only in red siltstones. The distribution of clay minerals is related to the geologic history of borate deposition.

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