Scientific data near [61.72072,-153.67664]

Search area extends approximately 2.2 km east-west and 4.7 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Bethel	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Lime Hills C-2	1:63,360 Alaska quadrangle
Lime Hills	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Farewell Lake	hydrologic unit
190304	hydrologic accounting unit
Yukon	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
g	Unconsolidated	Glaciers
Kfy	Sedimentary	Flysch
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
TKgd	Igneous - Plutonic	Granodiorite to quartz monzodiorite

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
Lime Hills-Lake Clark	M-D	Lime Hills-Lake Clark 4465 line km with spacing 9.60 km over parts of AK
Southern Alaska Range - N.	M-Dz	Southern Alaska Range - N. 514 line km with spacing 1.60 km over parts of AK
Lime Hills	M/R-D	Lime Hills 2220 line km with spacing 9.60 km over parts of AK
Styx	M/EM-D	Styx 5539 line km with spacing 0.40 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-SW16	Polymetallic vein

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
Farewell buried	Back-arc basin	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
AKA325	sediment
AKA326	sediment
AKA432	sediment
AKA433	sediment
AKA922	sediment
AKA923	sediment
AKI431	sediment
AKI432	sediment
AKI433	concentrate	panned only concentrate
AKI449	sediment
AKI450	sediment
AKI451	sediment
AKI452	sediment
AKI453	sediment
AKI454	sediment
AKI707	rock	igneous quartz diorite
AKI708	rock
AKI709	rock
AKI710	rock
D284355	concentrate	panned C3 fraction
D285086	sediment
D286040	rock	sedimentary graywacke
D286041	rock	sedimentary graywacke
D286043	rock	igneous monzonite
D286044	rock	igneous monzonite
D286045	rock	igneous monzonite
D286046	rock	igneous monzonite
D289967	rock	igneous unspecified
D289968	rock	igneous monzonite

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
D286040	igneous	unspecified
D286041	igneous	unspecified
D286043	igneous	unspecified
D286044	igneous	unspecified
D286045	igneous	unspecified
D286046	igneous	unspecified
D289967	igneous	unspecified
D289968	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
Unnamed (head of Hartman River)	Occurrence	AU MO W AG CU SB

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
Unnamed (head of Hartman River)	Inactive	Au;Mo;W

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
AKA432	stream/river	stream
AKA433	stream/river	stream
AKA922	stream/river	stream
AKA923	stream/river	stream
AKI431	stream/river	stream
AKI432	stream/river	stream
AKI451	stream/river	stream
AKI452	stream/river	stream
D285086	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
AKI433
D284355	stream/river	conc;; 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.

Database Home

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.