Scientific data near [45.36000,-109.78000]

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

Geographic context

Counties, states, countries, continents, or oceans
Stillwater	county
Montana	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Mount Wood	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
Custer National Forest	National Forest
National Forest FS	Type of land area
FS	Federal land areas administered by FS

Geology of US states

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

Database Home

Unit	State	Lithology
Stillwater complex	MT	Archean
Pilgrim through Flathead Formation: Pilgrim, Park, Meagher, Wolsey, and Flathead Formations	MT	Cambrian
Three Forks through Bighorn Formation: Three Forks, Jefferson, and Bighorn Formations	MT	Mississippian through Ordovician
Glacial deposit	MT	Quaternary

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.

Database Home

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

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.

Database Home

Domain	Crust type	Region
Wyoming	Sialic protocontinent	Northern Rocky Mountains

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.

Database Home

Deposit name	Deposit type	Location
Chrome Lake Cr-Pt	Occurrence	Montana, United States
Blitz	Occurrence	Montana, United States

National Geochronological Database

Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.

Database Home

Sample ID	Sample source	Rock name
6975	Outcrop or artificial surface exposure	Harzburgite

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.

Database Home

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.