Scientific data near [32.77333,-109.25194]

Search area extends approximately 1.1 km east-west and 1.3 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Greenlee	county
Arizona	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Ash Peak	quadrangle 1:24,000 scale
Safford	quadrangle 1:100,000 scale
Silver City	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Upper Gila-Mangas	hydrologic unit
Upper Gila	hydrologic accounting unit
Upper Gila	hydrologic subregion
Lower Colorado	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
Middle Miocene to Oligocene volcanic rocks	AZ	Oligocene to Middle Miocene

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
Silver City North	M-D	Silver City North 8304 line km with spacing 1.00 km over parts of AZ
Southeast Arizona	M-D	Southeast Arizona 13851 line km with spacing 4.80 km over parts of AZ
Silver City	M/R-D	Silver City 5178 line km with spacing 4.80 km over parts of AZ-NM

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
SB24	Distal disseminated Ag-Au	Mesozoic - Tertiary
SB03	Skarn Cu	Mesozoic - Tertiary
SB20	Polymetallic replacement + skarn Zn-Pb	Mesozoic - Tertiary
SB17	Porphyry Cu-Au	Laramide
SB14	Porphyry Cu	Laramide
SB29	Epithermal vein, Comstock	Tertiary
SB34	Epithermal vein, quartz-alunite	Tertiary
SB39	Hot-spring Au-Ag	Tertiary

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
Mazatzal	Lateral-extensional orogen	Central and Southwest

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
EDF001	igneous	intermediate

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.

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Sample ID	Sample source	Sample notes
ECV618	stream/river	SD; stream
ECV619	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.

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Sample ID	Sample source	Sample notes
ECV697	stream/river	C2; stream
ECV698	stream/river	C2; stream
EDF165	stream/river	C3; stream
EDF166	stream/river	C3; 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.

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Tract name	Deposit type	Geology
Western Sierra Madre Occidental and Laramide Central	porphyry copper	Belt of Late Cretaceous to middle Eocene (Laramide) magmatic arc rocks in the Sierra Madre Occidental, eastern Mexican Basin and Range, and the Mesa Central of north-central Mexico and extensions north in to the U.S
Tertiary Central Plateau and Rocky Mountains	porphyry copper	Belt of middle Tertiary (Oligocene-Miocene) granitic to intermediate intrusive rocks & volcanics associated w/post-Laramide stage of magmatism in northern Mexico and Mid-Tertiary volcanic fields associated w/post-subduction extension in eastern Rocky Mtns
Southwest Laramide East	porphyry copper	A composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America
Western Mexican Basin and Range and Laramide Southwest	porphyry copper	Late Cretaceous to middle Eocene island arc and continental arc rocks along the western margin of Mexico and extending north into the U.S.