Scientific data near [46.90845,-110.68384]

Search area extends approximately 2.2 km east-west and 3.3 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Cascade	county
Montana	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Neihart	quadrangle 1:24,000 scale
White Sulphur Springs	quadrangle 1:100,000 scale
White Sulphur Springs	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Belt	hydrologic unit
Upper Missouri	hydrologic accounting unit
Missouri-Marias	hydrologic subregion
Missouri	hydrologic region
Areas administered by US Federal agencies
Lewis and Clark 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

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Unit	State	Lithology
Flathead Formation	MT	Cambrian
Chamberlain Formation	MT	Middle Proterozoic
Newland Formation	MT	Middle Proterozoic
Neihart Formation	MT	Middle Proterozoic

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
Little Belt Mountains	M-Dz	Little Belt Mountains 720 line km with spacing 1.60 km over parts of MT
White Sulpher Spring	M/R-D	White Sulpher Spring 4433 line km with spacing 4.80 km over parts of MT

Estimates of undiscovered mineral resources

National Mineral Resource Assessment 1998: Estimates of the number of undiscovered mineral resources of gold, silver, copper, lead, and zinc within identified permissive tracts (geographic areas in which mineral deposits may form).

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Tract	Deposit Type	Mineralization age
NR10	Porphyry Cu (North America)	Cretaceous - Eocene
NR39	Sedimentary exhalative Zn-Pb	Late Proterozoic

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
Great Falls	Intracratonic mobile belt	Northern Rocky Mountains

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
5017512	1977-09-17	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
1012259	1977-09-17	Stream water sample filtered through a 0.45 micron membrane filter and acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.

National Geochemical Database: Rock

Geochemical analysis of rock samples collected and analyzed by the USGS. This dataset includes and supersedes rock data formerly released as "Geochemistry of igneous rocks in the US extracted from the PLUTO database"

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Sample ID	Rock type	Rock name
BAA002	metamorphic	quartzite
BAA006	sedimentary	siltstone
BAA007	sedimentary	siltstone
BAA008	sedimentary	shale
BAA009	sedimentary	shale
BAA010	sedimentary	shale
BAA011	sedimentary	shale

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.

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Sample ID	Sample source	Rock name
6944	Outcrop or artificial surface exposure	Shale
6947	Outcrop or artificial surface exposure	Shale

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.

Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pit

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Feature ID	Feature type	Feature name
Quarry	point
Quarry	point