Scientific data near [63.41900,-142.27200]

Search area extends approximately 0.6 km east-west and 1.2 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Southeast Fairbanks	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Tanacross B-3	1:63,360 Alaska quadrangle
Tanacross	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Ladue River	hydrologic unit
190401	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
Kgu	Igneous - Plutonic	Plutonic rocks and dikes, granite to diorite

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
East Alaska Range - Tanacross	M-Dz	East Alaska Range - Tanacross 43452 line km with spacing 1.20 km over parts of AK
Tanacross	M/R-D	Tanacross 2212 line km with spacing 9.60 km over parts of AK
Tanacross 2015	M-D	Tanacross 2015 26533 line km with spacing 0.50 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-SC20	Porphyry Cu, BC-Ak type
AK-SC24	Plutonic porphyry Au
AK-SC25	Placer Au
AK-SC07	Au-Sb veins
AK-SC27	Polymetallic vein
AK-SC08	Low-sulfide Au-quartz veins

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
Yukon-Tanana lower	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A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.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
Dennis Ladue	Active	Au

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
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.