Scientific data near [61.76745,-157.34674]

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
Sleetmute D-4	1:63,360 Alaska quadrangle
Sleetmute	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Aniak	hydrologic unit
190305	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

Database Home

Map symbol	Lithology	Unit name
Kk	Sedimentary	Kuskokwim Group, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
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.

Database Home

ID	Data type	Description
West-Central Alaska	M-D	West-Central Alaska 21360 line km with spacing 9.60 km over parts of AK
Sleetmute	M/R-D	Sleetmute 2365 line km with spacing 9.60 km over parts of AK
Sleetmute 2002	M/EM-D	Sleetmute 2002 5014 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).

Database Home

Tract	Deposit Type	Mineralization age
AK-SW05	Peraluminous granite porphyry gold
AK-SW14	Placer Au
AK-SW13	Plutonic porphyry Au
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.

Database Home

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.

Database Home

Lab ID	Sample medium	Description
D331369	sediment
D331399	sediment
D331429	sediment
D331459	concentrate	panned C1 fraction
D331489	concentrate	panned C2 fraction
D331519	concentrate	panned C3 fraction
D386674	rock
D386682	rock
D386686	rock
D386690	rock

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"

Database Home

Sample ID	Rock type	Rock name
D386674	unspecified
D386682	unspecified
D386686	unspecified
D386690	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.

Database Home

Site name	Development	Commodities
Unnamed (southwest of Barometer Mountain)	Prospect	HG SB
Barometer	Past Producer	HG SB
Barometer	Past Producer	HG 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.

Database Home

Site	Status	Commodities
Unnamed (southwest of Barometer ...	Inactive	Hg
Barometer	Inactive	Hg;Sb

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.

Database Home

Sample ID	Sample source	Sample notes
D332641	stream/river	stream
D332680	stream/river	stream
D332719	stream/river	stream
D387844	stream/river	stream sediment high Hg possible ;; stream
D387848	stream/river	stream sediment high Hg possible ;; stream
D387854	stream/river	stream sediment high Hg possible ;; 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.

Database Home

Sample ID	Sample source	Sample notes
D331558	stream/river	heavy-mineral-concentrate sample, C1 fraction;; stream
D331597	stream/river	heavy-mineral-concentrate sample, C2 fraction;; stream
D331636	stream/river	heavy-mineral-concentrate sample, C3 fraction;; stream
D388831	stream/river	heavy-mineral-concentrate;; stream
D388835	stream/river	heavy-mineral-concentrate;; stream
D388841	stream/river	heavy-mineral-concentrate;; 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
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.

Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pit

Database Home

Feature ID	Feature type	Feature name
Adit	point	Barometer Mine