Scientific data near [60.32630,-147.72550]

Search area extends approximately 4.5 km east-west and 9.0 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
Seward B-2	1:63,360 Alaska quadrangle
Seward	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Western Prince William Sound	hydrologic unit
190202	hydrologic accounting unit
Northwest Alaska	hydrologic subregion
Alaska	hydrologic region
Areas administered by US Federal agencies
Chugach National Forest	National Forest
National Forest FS	Type of land area
FS	Federal land areas administered by FS

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
g	Unconsolidated	Glaciers
Togum	Igneous - Plutonic	Mafic and ultramafic rocks of the Valdez and Orca Groups
Togum	Igneous - Plutonic	Mafic and ultramafic rocks of the Valdez and Orca Groups
Togv	Igneous - Volcanic	Volcanic rocks of the Orca Group and Ghost Rocks Formation
Tovs	Sedimentary	Sedimentary and volcanic rocks of the Orca Group, undivided
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
Seward	M/R-D	Seward 1738 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-SC06	Cyprus massive sulfide
AK-SC04	Besshi massive sulfide
AK-SC25	Placer Au

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
CBF285	sediment
CCB813	concentrate	panned C3 fraction
CFF546	sediment
CFF821	sediment
CFG547	concentrate	panned C3 fraction
M146620	rock	igneous mafic
M146622	rock	igneous mafic

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
M146620	igneous	mafic
M146622	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.

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Site name	Development	Commodities
Alhambra Group	Occurrence	CU
Jonesy Mine	Past Producer	CU
Twentieth Century Knight Island	Occurrence	CU
Knights Island Alaska Copper Co.	Prospect	CU ZN
Nellie Group	Prospect	CU
U&I	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
Alhambra; U and I; Ura	Inactive	Cu
Twentieth Century Knight Island ...	Inactive	Cu
Drier Bay; Knights Island Alaska...	Inactive	Cu
Nellie Group	Inactive	Cu
Unnamed (above Northeast Cove)	Inactive	Cu
Moore; Hillside Lode; Tremont	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
CBF285	stream/river	stream
CFF546	stream/river	stream
CFF821	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
CCB813	stream/river	stream
CFG547	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
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.