Scientific data near [45.41000,-110.00000]

Search area extends approximately 2.2 km east-west and 3.2 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Sweet Grass	county
Montana	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Meyer Mountain	quadrangle 1:24,000 scale
Red Lodge	quadrangle 1:100,000 scale
Billings	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Stillwater	hydrologic unit
Upper Yellowstone	hydrologic accounting unit
Upper Yellowstone	hydrologic subregion
Missouri	hydrologic region
Areas administered by US Federal agencies

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Unit	State	Lithology
Stillwater complex	MT	Archean
Pilgrim through Flathead Formation: Pilgrim, Park, Meagher, Wolsey, and Flathead Formations	MT	Cambrian

Airborne geophysical surveys

Aerial surveys of magnetic anomaly and gamma ray emission; older surveys were analog record which have been digitized, newer surveys collected data in digital form.

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ID	Data type	Description
Beartooth	M-Dz	Beartooth 1749 line km with spacing 1.60 km over parts of MT
Stillwater 2000	M/EM-D	Stillwater 2000 1914 line km with spacing 0.20 km over parts of MT
Billings	M/R-D	Billings 4581 line km with spacing 4.80 km over parts of MT-WY
Bozeman	M/R-D	Bozeman 4433 line km with spacing 4.80 km over parts of MT-WY

The continental crust

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

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Domain	Crust type	Region
Wyoming	Sialic protocontinent	Northern Rocky Mountains

Major mineral deposits of the world

Regional locations and general geologic setting of known deposits of major nonfuel mineral commodities. Originally compiled in five parts by diverse authors, combined here for convenience despite likely inconsistencies among the regional reports.

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Deposit name	Deposit type	Commodity
J - M Reef - East Boulder mine	Igneous	palladium, platinum

Mineral Resource Data System

MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references.

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Site name	Development	Commodities
Stillwater Complex	Producer	NI PGE_PT CU CR PGE_PD PGE_IR AL AU PGE_OS CO AG PGE_RH
West Fork West	Occurrence	PGE_PT PGE_PD PGE_RH AU CU NI

An index to PGE-Ni-Cr deposits and occurrences in selected mineral-occurrence databases (web-accessible database)

A compendium of references to previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences. These data show where to obtain more detailed information about each deposit or occurrence.

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Deposit name	Deposit type	Location
Stillwater Complex	Producer	Montana, United States
West Fork West	Occurrence	Montana, United States

Global assessment of undiscovered copper resources

Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.

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Tract name	Deposit type	Geology
Northern Rocky Mountains	porphyry copper	Part of a continental margin arc that formed along the western margin of North America
Pacific Margin	porphyry copper	Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia.