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Montmorillonite from
Masonville Mining District, Larimer County, Colorado, USA


Locality type:Mining District
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Masonville Mining District, Larimer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:378273
Long-form Identifier:1:3:378273:6
GUID (UUID V4):ccef7751-9903-4932-bc17-01642238222e
Localities for Montmorillonite in this Region
Mason Mine (Mason Ranch Mine), Masonville Mining District, Larimer County, Colorado, USA
Nearest other occurrences of Montmorillonite
1.5km (1.0 miles) ⓘMason Mine (Mason Ranch Mine), Masonville Mining District, Larimer County, Colorado, USA
43.9km (27.3 miles) ⓘHill Gulch, Jamestown Mining District, Boulder County, Colorado, USA
81.8km (50.8 miles) ⓘLaramie Formation, Golden, Golden Mining District, Jefferson County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Reference Search (possible matching items)
Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a
Report (issue)
Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961).
 
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