Scientific data near [67.64000,-161.43000]

Search area extends approximately 2.2 km east-west and 5.9 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Northwest Arctic	Borough
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Baird Mountains C-5	1:63,360 Alaska quadrangle
Baird Mountains	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Lower Noatak River	hydrologic unit
190504	hydrologic accounting unit
South Central Alaska	hydrologic subregion
Alaska	hydrologic region
Areas administered by US Federal agencies
Noatak National Preserve	National Preserve
National Preserve 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

Database Home

Map symbol	Lithology	Unit name
Dbf	Sedimentary	Beaucoup Formation, undivided
Dbfl	Sedimentary	Limestone and similar rocks
DCbg	Sedimentary	Baird Group and similar rocks

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
Western Baird Mountains	M-Dz	Western Baird Mountains -9999 line km with spacing -9999.00 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-BR17	Zn-Pb-Ag veins
AK-BR23	Sedex Zn-Pb
AK-BR21	Sediment-hosted Cu
AK-BR20	Sandstone hosted Pb-Zn
AK-BR06	Kipushi Cu-Pb-Zn
AK-BR09	Mississippi Valley Type
AK-BR13	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.

Database Home

Domain	Crust type	Region
Brooks Range	Passive margin	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
CEZ714	sediment
CFC356	rock
CFC553	sediment
CFC588	sediment
CFC819	sediment
CFC823	sediment
CGY111	concentrate	panned C3 fraction
CGY114	concentrate	panned C3 fraction
CGY120	concentrate	panned C3 fraction
CGY127	concentrate	panned C3 fraction
M101896	rock	sedimentary limestone

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
CFC356	unspecified
CFN298	metamorphic	phyllite-slate
M101896	sedimentary	limestone

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
Eli River	Occurrence	CU
Eli River Occurrence	Occurrence	CU
Eli River	Occurrence	CU

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
Eli River; Agashashok River	Inactive	Cu

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
CEZ714	stream/river	stream
CFC553	stream/river	stream
CFC588	stream/river	stream
CFC819	stream/river	stream
CFC823	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.

Database Home

Sample ID	Sample source	Sample notes
CGY111	stream/river	stream
CGY114	stream/river	stream
CGY120	stream/river	stream
CGY127	stream/river	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
Chukotka	porphyry copper	Early to Late Cretaceous volcanic and intrusive rocks composing island-arc, continental-arc, and collisional magmatic belts associated with the Chukotka microcontinent.
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.