Scientific data near [44.35000,-118.93000]

Search area extends approximately 2.2 km east-west and 3.1 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Grant	county
Oregon	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Canyon Mountain	quadrangle 1:24,000 scale
John Day	quadrangle 1:100,000 scale
Canyon City	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Upper John Day	hydrologic unit
John Day	hydrologic accounting unit
Middle Columbia	hydrologic subregion
Pacific Northwest	hydrologic region

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
Gabbroic rocks	OR	Paleozoic to Triassic
Ultramafic and mafic intrusive rocks and serpentinized equivalents	OR	Paleozoic to Triassic

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
East-central Oregon	M-D	East-central Oregon 7250 line km with spacing 4.80 km over parts of OR
Strawberry Mountain	M-D&Dz	Strawberry Mountain 2212 line km with spacing 1.60 km over parts of OR
Canyon City	M/R-D	Canyon City 2349 line km with spacing 9.60 km over parts of OR

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
PC02	Skarn Au, truncated	Mesozoic
PC06	Porphyry Cu (BC-AK)	Mesozoic - Tertiary
PC09	Massive sulfide, Cyprus	Paleozoic - Mesozoic
PC01	Skarn Cu	Mesozoic - Tertiary
PC13	Massive sulfide, kuroko	Permian
PC38	Low-sulfide Au-quartz vein	Mesozoic

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
Calaveras-Baker	Accretionary wedge	Western Cordillera

Podiform chromite deposits

Location and characteristics of 1,124 individual mineral deposits of this type, with grade and tonnage models for chromium as well as several related elements.

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Record	Type	Comment
Iron King

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
D160538	igneous	dunite
D160539	igneous	dunite
D160540	igneous	dunite
D160541	igneous	ultramafic
D160542	igneous	ultramafic
D160543	igneous	pyroxenite
D160544	igneous	peridotite

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
Black Velvet	Occurrence	CR
Byram Gulch	Occurrence	PGE_PD PGE_RH PGE_PT
Iron King Mine	Past Producer	CR
Iron King Mine	Past Producer	CR
Big Boy	Occurrence	CR NI
Black Velvet Deposit	Prospect	CR
Byram Gulch	Prospect	PGE_PD PGE_PT PGE_RH
Byram Gulch Magnesite	Occurrence	MG
Great Northern Mine	Past Producer	AU
Byram Gulch Magnesite	Prospect	MG
Doubtful	Prospect	CU AG

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
Iron King Mine	Past Producer	Oregon, United States
Black Velvet	Occurrence	Oregon, United States
Big Boy	Occurrence	Oregon, United States
Unnamed Prospect	Occurrence	Oregon, United States
Black Velvet Deposit	Occurrence	Oregon, United States
Byram Gulch	Occurrence	Oregon, United States
Byram Gulch	Occurrence	Oregon, United States
Iron King Mine	Past Producer	Oregon, 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
Cascade Arc	porphyry copper	U.S. part of a continental margin arc that formed during subduction of the Pacific and Juan de Fuca plates beneath western 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
Open Pit Mine	point	Iron King Mine
Open Pit Mine	point	Iron King Mine

Critical mineral deposits of the United States

Mineral deposit information drawn from USGS databases, industry reports, and scientific literature totalling 681 individual mineral deposits documented to contain critical minerals. Data are provided in Esri file geodatabase, Microsoft Excel, shapefile, and CSV formats.

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Deposit name	Deposit type	Critical minerals
Iron King mine	Chromite	chromium