Scientific data near [59.37000,-151.47000]

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 B-4	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

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
Jum	Igneous - Plutonic	Gabbronorite and other mafic and ultramafic rocks of Hidden terrane
Kumc	Tectonite	McHugh and Uyak Complexes

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

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
Peninsular-Talkeetna	Oceanic arc	Alaska

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.

Database Home

Record	Type	Comment
Star No. 4

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
Red Mountain	Past Producer	CR CO FE NI SIL
Kenai Chrome	Past Producer	CR NI

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
Kenai Chrome; Star #4; Chrome Qu...	Inactive	Cr

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
Red Mountain	Past Producer	Alaska, United States
Windy River	Occurrence	Alaska, 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.

Database Home

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.