Montmorillonite from Montana, USA


USA
Montana Granite County Bearmouth ⓘ Unnamed Clay deposit [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Bradman ⓘ Unnamed Clay deposit [4]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Drummond ⓘ Unnamed Clay deposit [2]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
East Fork Reservoir Dam ⓘ Unnamed Clay deposit [8]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jefferson County Colorado Mining District (Prickly Pear Mining District; Corbin Mining District) ⓘ Montana Tunnels Mine (Part of Corbin Copper Claims)	Econ Geol (1985) 80:1707-1721
Whitehall Mining District (Cardwell Mining District) ⓘ Apex prospect	Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp.
ⓘ Bonanza prospect	Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp.
Golden Sunlight Mine (Telluride and Excelsior; Moonlight Buffalo; Blue Moose; Minera Hill; Sunlight) ⓘ North pit	Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp.
Lewis and Clark County Seven-Up Pete Mining District ⓘ McDonald Meadows Occurrence	Szarkowski, J. (2019). Resource Estimation and Simulation at West Butte in the McDonald Gold Deposit Near Lincoln, Montana. Montana Tech of The University of Montana. Masters thesis.
Mineral County De Borgia ⓘ True Fissure Mine	American Mineralogist 47:59-66
Powell County Blossburg Area Blossburg ⓘ Claystone Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Shale Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Garrison Area Garrison ⓘ Clay Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Clay Deposit (3)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pioneer Mining District (Gold Creek Mining District) ⓘ Clay Deposit Near Haskell	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Silver Bow County ⓘ Butte Mining District (Summit Valley Mining District)	The Mineralogy of The Butte District, Montana Guilbert and Zeihen
ⓘ Berkeley Pit	Anaconda Mining Company Collection
Miles Crossing ⓘ Unnamed clay deposit (1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.

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