Scientific data near [45.45000,-110.08000]

Search area extends approximately 8.9 km east-west and 12.7 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
Picket Pin Mountain	quadrangle 1:24,000 scale
Gardiner	quadrangle 1:100,000 scale
Bozeman	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Upper Yellowstone	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
Schist	MT	Archean
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
Madison Group: Mission Canyon and Lodgepole Formations; or Castle Reef and Allan Mountain Formations	MT	Mississippian

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
Bozeman	M/R-D	Bozeman 4433 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

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).

Database Home

Tract	Deposit Type	Mineralization age
NR48	Homestake stratiform Au	Archean

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-396240	Sediment	Stream, Wet
D-396241	Sediment	Stream, Wet
D-396242	Sediment	Stream, Wet
D-396243	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
5019909	1976-10-29	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5019910	1976-10-29	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5019911	1976-10-29	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5019912	1976-10-29	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5040187	1979-08-25	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5040188	1979-08-25	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5040192	1979-08-25	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5040193	1979-08-25	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5040194	1979-08-26	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5040195	1979-08-25	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5041156	1979-08-24	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5041157	1979-08-24	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5041158	1979-08-24	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5041170	1979-08-24	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
5041171	1979-08-25	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
1013802	1976-10-29	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.
1013803	1976-10-29	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.
1013804	1976-10-29	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.
1013805	1976-10-29	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.
1029667	1979-08-25	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.
1029668	1979-08-25	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.
1029671	1979-08-25	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.
1029672	1979-08-25	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.
1029673	1979-08-26	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.
1029674	1979-08-25	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.
1030066	1979-08-24	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.
1030067	1979-08-24	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.
1030068	1979-08-24	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.
1030074	1979-08-24	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.
1030075	1979-08-25	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.

Global distribution of selected mines, deposits, and districts of critical minerals

Approximate locations and short descriptions of mines, deposits, and districts where critical minerals are found. The critical minerals are discussed in USGS Professional Paper 1802 many of these locations are described in further detail in that report.

Database Home

Site name	Critical minerals	Deposit type
Camp deposit	Platinum-Group Elements	Contact

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
D549290	igneous	mafic
D549291	igneous	mafic
D549292	igneous	mafic
D549293	igneous	mafic
D549294	igneous	mafic
D549295	igneous	mafic
D549296	igneous	mafic
D549297	igneous	mafic
D549298	igneous	mafic
D549299	igneous	mafic
D549300	igneous	mafic
D549301	igneous	mafic
D549302	igneous	mafic
D549303	igneous	mafic
D549304	igneous	mafic
D549305	igneous	mafic
D549306	igneous	mafic
D549307	igneous	mafic
D549308	igneous	mafic
D549309	igneous	mafic
D549310	igneous	mafic
D549311	igneous	mafic
D549312	igneous	mafic
D549313	igneous	mafic
D549314	igneous	mafic
D549315	igneous	mafic
D549316	igneous	mafic
D549317	igneous	mafic
D549318	igneous	mafic
D549319	igneous	mafic
D549320	igneous	mafic
D549321	igneous	mafic
D549322	igneous	mafic
D549323	igneous	mafic
D549324	igneous	mafic
D549325	igneous	mafic
D549326	igneous	mafic
D549327	igneous	mafic
D549328	igneous	mafic
D549329	igneous	mafic
D549330	igneous	mafic
D549331	igneous	mafic
D549332	igneous	mafic
D549333	igneous	mafic
D549334	igneous	mafic
D549335	igneous	mafic
D549336	igneous	mafic
D549337	igneous	mafic
D549338	igneous	mafic
D549339	igneous	mafic
D549340	igneous	mafic
D549341	igneous	mafic
D549342	igneous	mafic
D549343	igneous	mafic
D549344	igneous	mafic
D549345	igneous	mafic
D549346	igneous	mafic
D549347	igneous	mafic
D549348	igneous	mafic
D549349	igneous	mafic
D549350	igneous	mafic
D549351	igneous	mafic
D549352	igneous	mafic
D549353	igneous	mafic
D549354	igneous	mafic
D549355	igneous	mafic
D549356	igneous	mafic
D549357	igneous	mafic
D549358	igneous	mafic
D549359	igneous	mafic
D549360	igneous	mafic
D549361	igneous	mafic
D549362	igneous	mafic
D549363	igneous	mafic
D549364	igneous	mafic
D549365	igneous	mafic
D549366	igneous	mafic
D549367	igneous	mafic
D549368	igneous	mafic
D549369	igneous	mafic
D549370	igneous	mafic
D549371	igneous	mafic
D549372	igneous	mafic
D549373	igneous	mafic
D549374	igneous	mafic
D549375	igneous	mafic
D549376	igneous	mafic
D549377	igneous	mafic
D549378	igneous	mafic
D549379	igneous	mafic
D549380	igneous	mafic
D549381	igneous	mafic
D549382	igneous	mafic
D549383	igneous	mafic
D549384	igneous	mafic
D549385	igneous	mafic
D549386	igneous	mafic
D549387	igneous	mafic
D549388	igneous	mafic
D549389	igneous	mafic
D549390	igneous	mafic
D549391	igneous	mafic
D549392	igneous	mafic
D549393	igneous	mafic
D549394	igneous	mafic
D549395	igneous	mafic
D549396	igneous	mafic
D549397	igneous	mafic
D549398	igneous	mafic
D549399	igneous	mafic
D549400	igneous	mafic
D549401	igneous	mafic
D549402	igneous	mafic
D549403	igneous	mafic
D549404	igneous	mafic
M172808	igneous	alaskite
M173848	igneous	alaskite
M182594	igneous	felsic
M182595	igneous	felsic
M182596	igneous	felsic
M182823	igneous
M182824	igneous
M182825	igneous
M182826	igneous
M182827	igneous
M182828	igneous	unknown
M187981	igneous	mafic
M187982	igneous	mafic
M201601	igneous	mafic
M201602	igneous	mafic
M201603	igneous	mafic
M201604	igneous	mafic
M201605	igneous	mafic
M201606	igneous	mafic
M201607	igneous	mafic
M201608	igneous	mafic
M201609	igneous	mafic
M201610	igneous	mafic
M201611	igneous	mafic
M201612	igneous	mafic
M201613	igneous	mafic
M201614	igneous	mafic
M201615	igneous	mafic
M201616	igneous	mafic
M201617	igneous	mafic
M201618	igneous	mafic
M201619	igneous	mafic
M201620	igneous	mafic
M201621	igneous	mafic
M201622	igneous	mafic
M201623	igneous	mafic
M201624	igneous	mafic
M201625	igneous	mafic
M201626	igneous	mafic
W250264	igneous	mafic
W250265	igneous	mafic
W250267	igneous	mafic
W250268	igneous	mafic
W252155	igneous	mafic
W252156	igneous	mafic
W252157	igneous	mafic
W252158	igneous	mafic
W252159	igneous	mafic
W252160	igneous	mafic
W252161	igneous	mafic
W252162	igneous	mafic
W252163	igneous	mafic
W252164	igneous	mafic
W252165	igneous	mafic
W252166	igneous	mafic
W252167	igneous	mafic
W252180	igneous	mafic
W254472	igneous	mafic
W254473	igneous	mafic
W254474	igneous	mafic
W254475	igneous	mafic
W254476	igneous	mafic
W254477	igneous	mafic
W254478	igneous	mafic
W254479	igneous	mafic
W254480	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
East Boulder River-Chrome Queen	Occurrence	CR PGE_PT
Monkey East Camp Zone	Occurrence	PGE_PT PGE_PD PGE_RH AU NI CU
Forge Ni-Cu	Occurrence	NI CU CO PGE_PT PGE_PD PGE_RH PGE AG AU
Janet 50	Occurrence	CU NI PGE_PT PGE_PD PB ZN AU AS
Picket Pin	Occurrence	PGE_PT PGE_PD CU NI CO PGE_IR AU AS SB
Stillwater Anorthosite	Prospect	AL CA FE MG SIL NA
Alaskite	Occurrence	PGE_PT PGE_PD CR CU NI
Coors 602	Occurrence	PGE_PT PGE_PD CU NI
Frog Pond East	Occurrence	PGE_PT PGE_PD PGE_RH AU CU NI
Monkey West	Occurrence	PGE_PT PGE_PD PGE_RH AU CU NI
East Boulder River	Occurrence	CR PGE_PT
Picket Pin	Prospect	PGE
Big Group Claims	Prospect	FE

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
Picket Pin Deposit	unclassified
Stillwater Mine	Producer	Montana, United States
East Boulder River-Chrome Queen	Occurrence	Montana, United States
East Boulder Plateau	Occurrence	Montana, United States
Alaskite	Occurrence	Montana, United States
East Boulder Plateau	Occurrence	Montana, United States
East Boulder River	Occurrence	Montana, United States
Frog Pond East	Occurrence	Montana, United States
Picket Pin	Occurrence	Montana, United States
Forge Ni-Cu	Occurrence	Montana, United States
Janet 50	Occurrence	Montana, United States
Chrome Mountain Ni-Cu	Occurrence	Montana, United States
Monkey West	Occurrence	Montana, United States
Monkey East Camp Zone	Occurrence	Montana, United States
Coors 602	Occurrence	Montana, United States
East Boulder Project	Occurrence	Montana, United States
Picket Pin	Occurrence	Montana, United States
Stillwater (J-M Reef)	Deposit	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
896	Outcrop or artificial surface exposure	Diabase
6974	Outcrop or artificial surface exposure	Norite
6977	Outcrop or artificial surface exposure	Anorthosite
7040	Outcrop or artificial surface exposure	Norite
7041	Outcrop or artificial surface exposure	Hornfels
7151	Outcrop or artificial surface exposure	Diabase

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
D396240	stream/river	-80 mesh NURE stream sediment; stream
D396241	stream/river	-80 mesh NURE stream sediment; stream
D396242	stream/river	-80 mesh NURE stream sediment; stream
D396243	stream/river	-80 mesh NURE stream sediment; 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.