Scientific data near [45.39000,-109.96000]

Search area extends approximately 4.5 km east-west and 6.3 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

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
Quartzofeldspathic gneiss	MT	Archean
Schist	MT	Archean
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.

Database Home

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

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

National geochemical survey database

National-scale geochemical analysis of stream sediments and soils in the US, from existing data, reanalysis of existing samples, and new sampling. Goal for sample density is one per 289 square km.

Database Home

Sample ID	Material	Source
D-395852	Sediment	Stream, Wet
D-395861	Sediment	Stream, Wet
D-395863	Sediment	Stream, Wet

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.

Database Home

Sample ID	Date collected	Sample type
5014218	1978-08-23	Wet spring sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5014219	1978-08-23	Wet spring sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5014220	1978-08-23	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5014231	1978-08-23	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5014233	1978-08-23	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.

Database Home

Sample ID	Date collected	Sample type
1010040	1978-08-23	Spring 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.
1010041	1978-08-23	Spring 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.
1010042	1978-08-23	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.
1010054	1978-08-23	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.
1010055	1978-08-23	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"

Database Home

Sample ID	Rock type	Rock name
EBN618	igneous	ultramafic
EBN619	igneous	ultramafic
EBN620	igneous	ultramafic
M146926	igneous	ultramafic
M146927	igneous	anorthosite
M146928	igneous	anorthosite
M146929	igneous	anorthosite
M146930	igneous	anorthosite
M146931	igneous	anorthosite
M146932	igneous	ultramafic
M146933	igneous	anorthosite
M146934	igneous	peridotite
M146935	igneous	anorthosite
M146936	igneous	anorthosite
M146937	igneous	anorthosite
M146938	igneous	anorthosite
M146939	igneous	anorthosite
M146940	igneous	anorthosite
M146941	igneous	ultramafic
M146942	igneous	ultramafic
M146943	igneous	anorthosite
M146944	igneous	anorthosite
M146945	igneous	anorthosite
M146946	igneous	anorthosite
M146947	igneous	anorthosite
M146948	igneous	ultramafic
M146949	igneous	anorthosite
M146950	igneous	peridotite
M146951	igneous	anorthosite
M146952	igneous	peridotite
M146953	igneous	anorthosite
M146954	igneous	anorthosite
M146955	igneous	anorthosite
M146956	igneous	ultramafic
M146957	igneous	anorthosite
M146958	igneous	anorthosite
M146959	igneous	anorthosite
M146960	igneous	anorthosite
M146961	igneous	ultramafic
M146962	igneous	ultramafic
M146963	igneous	pyroxenite
M146964	igneous	anorthosite
M146965	igneous	ultramafic
M146966	igneous	ultramafic
M146967	igneous	anorthosite
M146968	igneous	anorthosite
M146969	igneous
M146970	igneous	anorthosite
M146971	igneous	peridotite
M146972	igneous	anorthosite
M146973	igneous	anorthosite
M146974	igneous	anorthosite
M146975	igneous	ultramafic
M146976	igneous	ultramafic
M146977	igneous	ultramafic
M146978	igneous	anorthosite
M146979	igneous	pyroxenite
M146980	igneous	ultramafic
M146981	igneous	peridotite
M146982	igneous	peridotite
M146983	igneous	anorthosite
M146984	igneous	peridotite
M146985	igneous	anorthosite
M146986	igneous	pegmatite
M147083	metamorphic	hornfels
M147084	metamorphic	hornfels
M147085	metamorphic	hornfels
M147086	metamorphic	hornfels
M147087	metamorphic	hornfels
M147088	igneous	mafic
M147089	metamorphic	hornfels
M147090	igneous	mafic
M147091	metamorphic	hornfels
M147092	igneous	diabase
M147093	igneous	diabase
M147094	igneous	diabase
M147095	metamorphic
M147096	igneous	diabase
M147097	igneous	diabase
M147098	metamorphic
M147099	metamorphic	hornfels
M149104	igneous	peridotite
M149105	igneous	peridotite
M149106	igneous	peridotite
M149107	igneous	peridotite
M149108	igneous	peridotite
M149109	igneous	peridotite
M149110	igneous	peridotite
M149111	igneous	peridotite
M152998	igneous	pyroxenite
M152999	metamorphic	hornfels
M153000	igneous	gabbro
M153001	igneous	unknown
M153002	igneous	gabbro
M153003	igneous	unknown
M153004	igneous	gabbro
M153005	igneous	pyroxenite
M153006	igneous	pyroxenite
M153007	metamorphic	schist
M153008	metamorphic	schist
M153009	metamorphic	schist
M153010	metamorphic	hornfels
M201635	igneous	mafic
M201636	igneous	mafic
M201637	igneous	mafic
M201638	igneous	mafic
M201639	igneous	mafic
M201640	igneous	mafic
M201641	igneous	mafic
M201642	igneous	mafic
M201643	igneous	mafic
M201644	igneous	mafic

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.

Database Home

Site name	Development	Commodities
Initial Cr-Pt	Occurrence	PGE_PT CR CU NI
Bluebird	Occurrence	CR PGE_PT PGE_PD PGE_RH
Intial Ni-Cu	Occurrence	NI CU CO PGE AG AU
Bluebird Ni-Cu	Occurrence	NI CU CO PGE_PT PGE_PD PGE AG AU
West Fork East Adit	Occurrence	PGE_PT PGE_PD PGE_RH AU CU NI
Bluebird Cr-Pt	Occurrence	PGE_PT CR CU NI
Dow	Occurrence	PGE_PT PGE_PD PGE_RH AU CU NI
Initial	Prospect	CR PGE_PT
Bluebird	Occurrence	CR PGE_PT

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
Initial Cr-Pt	Occurrence	Montana, United States
Bluebird	Occurrence	Montana, United States
Bluebird Cr-Pt	Occurrence	Montana, United States
Bluebird	Occurrence	Montana, United States
Initial	Occurrence	Montana, United States
Bluebird Ni-Cu	Occurrence	Montana, United States
Dow	Occurrence	Montana, United States
West Fork East Adit	Occurrence	Montana, United States
Intial Ni-Cu	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
7023	Outcrop or artificial surface exposure	Schist

National Geochemical Database: Sediment

Geochemical analysis of sediment samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are of stream sediment in the continental US and Alaska.

Database Home

Sample ID	Sample source	Sample notes
D395516	stream/river	-80 mesh stream sediment; stream
D395852	stream/river	-80 mesh NURE stream sediment; stream
D395861	stream/river	-80 mesh NURE stream sediment; stream
D395863	stream/river	-80 mesh NURE stream sediment; stream
EBN593	stream/river	SD; stream
EBN594	stream/river	SD; stream
EBN595	stream/river	SD; stream

National Geochemical Database: Concentrate

Geochemistry of concentrates from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

Database Home

Sample ID	Sample source	Sample notes
D395612	surface	heavy-mineral concentrate
EBZ158	stream/river	C; stream
EBZ159	stream/river	C; stream

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.