Pinite in Nevada, and why it might be of interest

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Author
Crouse, D.L.
Embree, P.
Issue Date
2014-06-16
Keywords
Arizona Geological Survey Special Paper 9
Triassic
nevada
Rye Patch
Oreana
Lovelock
Humboldt Range
Pershing County
refractory
pyrophyllite

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Citation
Crouse, D.L., and Embree, P., 2014, Pinite in Nevada, and why it might be of interest, in, Conway, F.M., ed., Proceedings of the 48th Annual Forum on the Geology of Industrial Minerals, Phoenix, Arizona, April 30 - May 4, 2012. Arizona Geological Survey Special Paper #9, Chapter 5, p. 1-8.
Description
Pinite is a compact, fine-grained, usually amorphous mica as defined by the AGI glossary. It is also a term that has been used to identify metamorphic rock that is the result of the retrograde decomposition of cordierite-altered volcanic rocks, resulting in an impure micaceous rock that may contain pyrophyllite. Various definitions of the term and limited occurrences of this material make it somewhat of an unknown in the field. An occurrence of pinite near Lovelock, Nevada, that was once exploited for refractory brick manufacturing during World War II, was recently evaluated for commercial applications that are typically sourced from chlorite or talc mineral products. The pinite at this location has a brightness in the mid-80s, consistent mineralogy, very low quartz content, a platy morphology and works well in coatings formulations. The development of this resource could provide product that might possibly replace other platy mineral products in coatings product formulations.
URI
http://hdl.handle.net/10150/629589
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
Arizona Geological Survey Special Paper 9 - Proceedings of the 48th Annual Forum on the Geology of Industrial Minerals, Phoenix, Arizona - Chapter 5
Rights
Arizona Geological Survey. All rights reserved.
Collection Information
Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
North Bounding Coordinate
40.5783
South Bounding Coordinate
40.1409
West Bounding Coordinate
-118.507
East Bounding Coordinate
-118.004
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