Scientific data near [59.55250,-150.59139]

Search area extends approximately 2.2 km east-west and 4.4 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Kenai Peninsula	Borough
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Seldovia C-2	1:63,360 Alaska quadrangle
Seldovia	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
Kenai Fjords National Park	National Park
National Park NPS	Type of land area
NPS	Federal land areas administered by NPS

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
Kaf	Sedimentary	Chugach flysch
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
Cook Inlet '76-'77	M-D	Cook Inlet '76-'77 9258 line km with spacing 9.60 km over parts of AK
Seldovia	M/R-D	Seldovia 933 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-SC12	Low-sulfide Au-quartz veins, Chugach type

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
Chugach	Accretionary wedge	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
D386097	concentrate	panned C3 fraction
D386240	sediment
D520266	rock	igneous unspecified
D521847	rock
D525513	rock	igneous unspecified

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
D520266	igneous	unspecified
D521847	unspecified
D525513	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
Rossness & Larson	Past Producer	AU AG

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
Rossness & Larson	Inactive	Au

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
D386240	stream/river	unconsolidated sediment;; 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
D386097	stream/river	concentrates;; 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 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.