Scientific data near [60.85113,-146.53738]

Search area extends approximately 2.2 km east-west and 4.6 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Valdez-Cordova	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Cordova D-7	1:63,360 Alaska quadrangle
Cordova	1:250,000 Alaska quadrangle

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Map symbol	Lithology	Unit name
Togv	Igneous - Volcanic	Volcanic rocks of the Orca Group and Ghost Rocks Formation
Tos	Sedimentary	Sedimentary rocks of the Orca Group
Tovs	Sedimentary	Sedimentary and volcanic rocks of the Orca Group, undivided
w		Water

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
Prince William Sound	M-D	Prince William Sound 27519 line km with spacing 1.60 km over parts of AK
Cordova	M/R-D	Cordova 1496 line km with spacing 9.60 km over parts of AK

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
AK-SC25	Placer Au
AK-SC06	Cyprus massive sulfide
AK-SC04	Besshi massive sulfide

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
Yakutat-Malaspina	Large igneous province	Alaska

Alaska Geochemical Database, Version 2.0 (AGDB2)--including "best value" data compilations for rock, sediment, soil, mineral, and concentrate sample media

Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.

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Lab ID	Sample medium	Description
C226152	rock	metamorphic unspecified
C237994	sediment
C237995	sediment
C237996	sediment
C237997	sediment
C237998	sediment
C237999	sediment
C264304	rock
C264305	rock
C269048	sediment
C269049	sediment
C269050	sediment
C269051	sediment
C269052	sediment
C269053	sediment
C269054	sediment
C269055	sediment
C269056	sediment
C269057	sediment
C269058	sediment
CAB806	rock	sedimentary sandstone
CFF778	sediment
CFF780	sediment
CFG618	rock	metamorphic greenstone
CFG619	rock	metamorphic slate
CFG721	rock	metamorphic unspecified
CFR006	rock	igneous mafic
CFR007	rock	igneous mafic
CFT313	concentrate	panned C3 fraction
CFT315	concentrate	panned C3 fraction
D570395	sediment

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
C226152	metamorphic
CAB806	sedimentary	sandstone
CFG618	metamorphic	greenstone
CFG619	metamorphic	slate
CFG721	metamorphic	unspecified
CFR006	igneous	unspecified
CFR007	igneous	unspecified

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
Fielder & Hemple	Prospect	CU ZN AG AU
Chisna Consolidated (Buckeye Group)	Past Producer	CU AG AU
Chisna Consolidated	Prospect	CU
Steinmetz	Prospect	CU AU
Keystone	Past Producer	CU CO AG ZN
Hemple Copper Co.	Prospect	CU AU AG ZN
Alaska-Pioneer-Sourdough, Steinmetz, d Alaska Commercial Co.	Past Producer	CU PB ZN AG AU
Threeman (Standard Copper)	Past Producer	CU ZN AG AU CO
Jacobson	Past Producer	CU AS AU PB AG ZN
Threeman, Landlocked Bay	Prospect	CU

Alaska Resource Data File

A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.

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Site	Status	Commodities
Alaska-Pioneer-Sourdough, Steinm...	Inactive	Cu;Pb;Zn
Fielder & Hemple	Inactive	Cu;Zn
Threeman (Standard Copper)	Inactive	Cu;Zn
Chisna Consolidated (Buckeye Gro...	Inactive	Cu

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
C237994	mine/quarry/prospect pit
C237995	mine/quarry/prospect pit
C237996	mine/quarry/prospect pit
C237997	mine/quarry/prospect pit
C237998	mine/quarry/prospect pit
C237999	mine/quarry/prospect pit
CFF778	stream/river	stream
CFF780	stream/river	stream
D570395	stream/river	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
CFT313	stream/river	stream
CFT315	stream/river	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
Yukon-Tanana Upland	porphyry copper	Kluane Arc and Tertiary Kuskokwim Mountains volcanic-plutonic belt (continuation of Canadian Cordilleran continental arc); north of the Denali Fault
Western Alaska Range	porphyry copper	Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary
Eastern Alaska Range and Wrangell Mountains	porphyry copper	Cretaceous (115-105Ma) deposits and prospects along the Nutzotin Basin-Wrangellia terrane boundary; south of the Denali Fault
Skolai Arc - Eastern Alaska	porphyry copper	Late Paleozoic Skolai Arc of the Wrangellia terrane; south of the Denali Fault
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.