Scientific data near [61.30639,-144.26195]

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
Valdez B-1	1:63,360 Alaska quadrangle
Valdez	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Lower Copper River	hydrologic unit
190201	hydrologic accounting unit
Northwest Alaska	hydrologic subregion
Alaska	hydrologic region
Areas administered by US Federal agencies
Wrangell-Saint Elias Wilderness	Wilderness
Wilderness NPS	Type of land area
NPS	Federal land areas administered by NPS
Wrangell-Saint Elias National Park and Preserve	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
g	Unconsolidated	Glaciers
KJse	Igneous - Plutonic	Saint Elias suite of Gordey and Makepeace (2003) and similar rocks
PIPsm	Metamorphic	Strelna Metamorphics and related rocks
PIPsm	Metamorphic	Strelna Metamorphics and related rocks
PIPsm	Metamorphic	Strelna Metamorphics and related rocks
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided

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
Valdez '78	M-D	Valdez '78 10404 line km with spacing 1.60 km over parts of AK
Valdez	M/R-D	Valdez 2220 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-SC22	Porphyry Cu, BC-Ak type
AK-SC32	Cu (Au) skarn

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
Wrangellia	Oceanic arc	Alaska

Radiometric ages of rocks from Alaska

Radiometric ages of rocks or minerals sampled from Alaska. The data were collected from professional publications and/or received from researchers and used by permission.

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Record	Type	Comment
79ABs071
79ABs069B

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
BAF209	rock
BAF210	rock
BAF211	rock
BAF212	rock	igneous ultramafic
BAF213	rock	igneous ultramafic
BAF214	rock	igneous ultramafic
BAF215	rock
CCR971	concentrate	panned C4 fraction
CEC884	rock	igneous peridotite
CEC885	rock	metamorphic schist
CEC886	rock	sedimentary chert
CEC887	rock	igneous pegmatite
CEC888	rock	metamorphic skarn
CEC892	rock	igneous diorite
M165294	rock	metamorphic greenschist

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
7003570	1977-07-04	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7003571	1977-07-04	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7003572	1977-07-04	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
3003803	1977-07-04	Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3003804	1977-07-04	Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3003805	1977-07-04	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.

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
BAF209	unspecified
BAF210	unspecified
BAF211	unspecified
BAF212	igneous	ultramafic
BAF213	igneous	ultramafic
BAF214	igneous	ultramafic
BAF215	unspecified
CEC884	igneous	peridotite
CEC885	metamorphic	schist
CEC886	unspecified	chert-jasperoid
CEC887	igneous	pegmatite
CEC888	metamorphic	skarn
CEC889	metamorphic	amphibolite
CEC890	metamorphic	amphibolite
CEC892	igneous	diorite
M165294	metamorphic	greenschist

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
Spirit Mountain	Prospect	NI CO CU PGE AG
Spirit Mountain Prospect	Occurrence	NI CU CO AG PGE_PT ZN

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
Spirit Mountain	Inactive	Cu;Ni

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
Spirit Mountain Prospect	Occurrence	Alaska, United States
Spirit Mountain	Occurrence	Alaska, United States

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
CCR971	stream/river	C2+C3 fractions combined;; 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.