Scientific data near [65.06805,-147.37500]

Search area extends approximately 2.2 km east-west and 5.3 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Fairbanks North Star	Borough
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Livengood A-1	1:63,360 Alaska quadrangle
Livengood	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Chena River	hydrologic unit
190405	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
PzPxyqs	Metamorphic	Quartzite and pelitic schist
PzPxyqs	Metamorphic	Quartzite and pelitic schist

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
Northeast Alaska '73	M-D	Northeast Alaska '73 25044 line km with spacing 1.60 km over parts of AK
Alaska Regional	M-Dz	Alaska Regional 14484 line km with spacing 16.10 km over parts of AK
Big Delta-Fairbanks	M-Dz	Big Delta-Fairbanks 25749 line km with spacing 1.20 km over parts of AK
Fairbanks EM West	M-D	Fairbanks EM West 5385 line km with spacing 0.40 km over parts of AK
Fairbanks 1994	M/EM-D	Fairbanks 1994 4325 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).

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Tract	Deposit Type	Mineralization age
AK-EC05	Au-Sb veins
AK-EC07	Low-sulfide Au-quartz veins
AK-EC08	Low-sulfide Au-quartz veins
AK-EC13	Porphyry Cu, BC-Ak type
AK-EC14	Plutonic porphyry Au
AK-EC18	Polymetallic vein
AK-EC15	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.

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Domain	Crust type	Region
Yukon-Tanana lower	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.

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Lab ID	Sample medium	Description
C244418	sediment
C244419	sediment
CGL586	rock	igneous felsic
CGL587	rock	igneous felsic
CGL598	rock	igneous felsic
CGL599	rock	igneous felsic
CGL603	rock	igneous felsic
CGL604	rock	igneous felsic
CGL605	rock	metamorphic schist
CGW905	mineral
CGW906	mineral
CGW907	mineral
CGW908	mineral
CGW909	mineral
CGW910	mineral
CHA547	concentrate	panned C3 fraction
CHA548	concentrate	panned C3 fraction
CHA549	concentrate	panned C3 fraction
CHA550	concentrate	panned C3 fraction
CHA551	concentrate	panned C3 fraction
CHV957	concentrate	panned C3 fraction
CHV958	concentrate	panned C3 fraction
CJK073	mineral

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"

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Sample ID	Rock type	Rock name
CGL586	igneous	felsic
CGL587	igneous	felsic
CGL598	igneous	felsic
CGL599	igneous	felsic
CGL603	igneous	felsic
CGL604	igneous	felsic
CGL605	metamorphic	schist

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.

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Site name	Development	Commodities
Chatham	Past Producer	AU SB
Harris and Brown	Prospect	AU SB
Homestake	Past Producer	AU AG CU
Christina	Past Producer	AU AG SB
Banner	Past Producer	SB AU CU PB AG
Rexall	Past Producer	AU
Banner	Prospect	AU
Solomon	Prospect	SB
Nellie	Prospect	PB AU AG

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
Harris and Brown; Sky High; Grac...	Inactive	Au
Christina; Vetter; Shelden	Active?	Au
Chatham	Inactive	Au
Homestake	Inactive	Au
Rexall	Inactive	Au
Solomon	Inactive	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.

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Sample ID	Sample source	Sample notes
C244418	stream/river	<63 micron stream sed. Possibly high As and Sb concentrations

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.

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Sample ID	Sample source	Sample notes
CHA547	stream/river	Christina Vein, Vetter;; stream
CHA548	stream/river	Christina Vein, Vetter;; stream
CHA549	stream/river	Christina Vein, Vetter;; stream
CHA550	stream/river	Christina Vein, Vetter;; stream
CHA551	stream/river	Christina Vein, Vetter;; stream
CHV957	stream/river	Christina Lode qtz vein; Ruddy Vetter;; stream
CHV958	stream/river	Christina Lode;; 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.

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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.