Scientific data near [66.75270,-154.90620]

Search area extends approximately 1.1 km east-west and 2.8 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
Hughes D-4	1:63,360 Alaska quadrangle
Hughes	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Upper Kobuk River	hydrologic unit
190503	hydrologic accounting unit
South Central Alaska	hydrologic subregion
Alaska	hydrologic region
Areas administered by US Federal agencies

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
KJiv	Igneous - Volcanic	Andesitic volcanic 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.

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ID	Data type	Description
Seward-Selawik	M-D	Seward-Selawik 12279 line km with spacing 9.60 km over parts of AK
Baird Mtns.-Ambler River	M-Dz	Baird Mtns.-Ambler River 14323 line km with spacing 1.20 km over parts of AK
Wiseman-Bettles	M-D	Wiseman-Bettles 18024 line km with spacing 1.20 km over parts of AK
Hughes	M/R-D	Hughes 1464 line km with spacing 9.60 km over parts of AK

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
Koyukuk north	Oceanic arc	Alaska

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A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.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 (Norutak Hills)	Inactive	Cu;Mo;Zn

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
Koyukuk Arc	porphyry copper	Late Jurassic (?) and Early Cretaceous Koyukuk island arc.
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.