Scientific data near [66.75780,-141.11960]

Search area extends approximately 2.2 km east-west and 5.6 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Yukon-Koyukuk	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Black River D-1	1:63,360 Alaska quadrangle
Black River	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Black River	hydrologic unit
190402	hydrologic accounting unit
Southwest Alaska	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
DZkb	Sedimentary	Older carbonate strata of the Porcupine River sequence of Brosgé and Reiser (1969) and equivalent units
CPxwn	Sedimentary	Wickersham and Neruokpuk units

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
Alaska Regional	M-Dz	Alaska Regional 14484 line km with spacing 16.10 km over parts of AK
Yukon	M-D	Yukon 15610 line km with spacing 9.60 km over parts of AK
Black River	M/R-D	Black River 1810 line km with spacing 9.60 km over parts of AK
Porcupine	M-D	Porcupine 50329 line km with spacing 0.30 km over parts of AK
Yukon Flats 2002	M-D	Yukon Flats 2002 32563 line km with spacing 1.60 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
Porcupine	Passive margin	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A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.

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Site	Status	Commodities
Unnamed (near VABM Fort)	Inactive	Pb;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.

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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
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.