Shorter Contributions to General Geology, 1929
Description:
From introduction: This report describes the deposits of analcite in the Green River formation, to compare them with other similar deposits, and to present them with other similar deposits, and to present the observations and inferences that led him to explain them as alteration products of volcanic ash that fell into an ancient saline lake. The report also records the occurrence of several thin beds of sepiolite, or meerschaum, in the Green River formation and presents new data on the molds of…
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Date:
1930
Creator:
Mendenhall, W. C.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department