On Gearksutite at Gingin, Western Australia1

Edward S. Simpson
Government Mineralogist and Chemist, Geological Survey of Western Australia
1Published by permission of A. Gibb Maitland, Government Geologist.

Summary: A description is given of the occurrence of gearksutite under novel conditions, viz. in Cretaceous greensand, at Gingin in Western Australia. Some additions are made to the previously known physical and chemical properties of the mineral and a new suggestion is put forward as to its constitution. Its genesis is discussed and theories put forward to account for its origin under the previously known and newly discovered conditions.

Mineralogical Magazine; May 1920 v. 19; no. 89; p. 23-39; DOI: 10.1180/minmag.1920.019.89.02
© 1920, The Mineralogical Society
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