Scientific data near [64.88160,-147.95989]

Search area extends approximately 8.9 km east-west and 21.0 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
Fairbanks D-2	1:63,360 Alaska quadrangle
Fairbanks	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Tolovana 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

Database Home

Map symbol	Lithology	Unit name
Dmi	Metamorphic	Metamorphosed mafic igneous rocks
PzPxyqs	Metamorphic	Quartzite and pelitic schist
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided

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
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
Big Delta-Fairbanks	M-Dz	Big Delta-Fairbanks 25749 line km with spacing 1.20 km over parts of AK
Fairbanks 1994	M/EM-D	Fairbanks 1994 4325 line km with spacing 0.40 km over parts of AK
Goldstream Valley	M/EM-D	Goldstream Valley 2029 line km with spacing 0.10 km over parts of AK
Fairbanks 1954	M-Dz	Fairbanks 1954 1713 line km with spacing 1.60 km over parts of AK
Fairbanks	M/R-D	Fairbanks 2035 line km with spacing 9.60 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-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.

Database Home

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.

Database Home

Lab ID	Sample medium	Description
C214040	mineral
CGL583	rock	igneous felsic
CGL593	rock
CGL594	rock
CGW854	mineral
CGW855	mineral
CGW856	mineral
CGW857	mineral
CGW858	mineral
CGW859	mineral
CGW860	mineral
CGW861	mineral
CGW862	mineral
CGW863	mineral
CGW864	mineral
CGW865	mineral
CGW866	mineral
CGW867	mineral
CGW868	mineral
CGW869	mineral
CGW870	mineral
CGW871	mineral
CGW896	mineral
CGW980	mineral
CGW981	mineral
CGW982	mineral
CGW992	mineral
CGW993	mineral
CGW994	mineral
CGW995	mineral
CHA534	concentrate	panned C3 fraction
CHA535	concentrate	panned C3 fraction
CHA536	concentrate	panned C3 fraction
CHA561	concentrate	panned C3 fraction
CHA562	concentrate	panned C3 fraction
CHA563	concentrate	panned C3 fraction
CHA564	concentrate	panned C3 fraction
CHA565	concentrate	panned C3 fraction
CHA566	concentrate	panned C3 fraction
CHA569	concentrate	panned C3 fraction
CHA570	concentrate	panned C3 fraction
CHA571	concentrate	panned C3 fraction
CHA601	concentrate	panned C3 fraction
CHV959	concentrate	panned C3 fraction
CHV960	concentrate	panned C3 fraction
CJK075	mineral
CJK076	mineral
CJK077	mineral
CJK078	mineral
D567977	sediment
D567978	sediment
D567979	sediment
D567980	sediment
D567981	sediment
D567982	sediment
D567983	sediment
D567984	sediment
D567985	sediment
D567986	sediment
D567987	sediment
D567988	sediment
D567989	sediment
D567990	sediment
D567991	sediment
D567992	sediment
D567993	sediment
D567994	sediment
D567995	sediment
D567996	sediment
D567997	sediment
D567998	sediment
D567999	sediment
D568000	sediment
D568001	sediment
D568002	sediment
D568003	sediment
D568004	sediment
D568005	sediment
D568006	sediment
D568007	sediment
D568008	sediment
D568009	sediment
D568010	sediment
D568011	sediment
D568012	sediment
D568013	sediment
D568014	sediment
D568015	sediment
D568016	sediment
D568017	sediment
D568018	sediment
D568019	sediment
D568020	sediment
D568021	sediment
D568022	sediment
D568023	sediment
D568024	sediment
D568025	sediment
D568026	sediment
D568027	sediment
D568028	sediment
D568029	sediment
D568030	sediment
D568031	sediment
D568032	sediment
D568033	sediment
D568034	sediment
D568035	sediment
D568036	sediment
D568037	sediment
D568038	sediment
D568039	sediment
D568040	sediment
D568041	sediment
D568042	sediment
D568043	sediment
D568044	sediment
D568045	sediment
D568046	sediment
D568047	sediment
D568048	sediment
D568049	sediment
D568050	sediment
D568051	sediment
D568052	sediment
D568053	sediment
D568054	sediment
D568055	sediment
D568056	sediment
D568057	sediment
D568058	sediment
D568059	sediment
D568060	sediment
D568061	sediment
D568062	sediment
D568063	sediment
D568064	sediment
D568065	sediment
D568066	sediment
D568067	sediment
D568068	sediment
D568069	sediment
D568070	sediment
D568071	sediment
D568072	sediment
D568073	sediment
D568074	sediment
D568075	sediment
D568076	sediment
D568077	sediment
D568078	sediment
D568079	sediment
D577561	sediment
M169559	rock	metamorphic amphibolite
M201268	rock	metamorphic schist
MIN100	concentrate	panned C3 fraction

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

Database Home

Sample ID	Date collected	Sample type
7025601	1977-06-03	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7025604	1977-06-03	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7025605	1977-06-03	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7026675	1977-08-16	Dry stream sediment sample dried at less than or equal to 100øC (if necessary) and sieved to -100 mesh through stainless steel sieves.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

Database Home

Sample ID	Date collected	Sample type
3027296	1977-06-03	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3027299	1977-06-03	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3027300	1977-06-03	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.

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
C214040	unidentified
CGL583	igneous	felsic
CGL593	unspecified
CGL594	unspecified
M169559	metamorphic	amphibolite
M201268	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.

Database Home

Site name	Development	Commodities
Grant Mine Easter Dome Project	Plant	AU AG
Mohawk	Past Producer	AU PB SB ZN
Irishman	Producer	AU AG PB SB W
Goldstream Creek	Past Producer	AU
Grant	Past Producer	AU AG PB SB W
Happy Creek	Past Producer	AU AG
Fair Chance	Past Producer	AU SB PB ZN
Sheep Creek	Past Producer	AU
Royal Flush	Past Producer	AU
Mohawk Mine	Past Producer	AU SB PB ZN
Elmes	Past Producer	AU
Cripple Creek Venture	Plant	AU AG SN
Ryan Lode	Past Producer	AU SB
Dorothy and Dorice	Prospect	SB AU
Fair Chance	Past Producer	AU
Billy Sunday	Past Producer	AU PB SB ZN
McDonald	Past Producer	AU
Stay	Past Producer	AU SB
Grant Mine	Producer	AU SB PB W
Happy Creek	Past Producer	AU
Saint (St.) Patrick Creek	Past Producer	AU
Hilltop Zone	Plant	AU AG
St. Patrick, Ace Creeks	Past Producer	AU AG
Gold Hill	Past Producer	AU
Happy Ridge	Prospect	AU
Ryan Mine	Prospect	AU SB AS
Macomb	Prospect	AU
Last Chance	Past Producer	AU SB
Macomb	Prospect	AU
Crown Point	Past Producer	AU SB
Ryan Mine	Past Producer	AU SB
St. Patrick Cr	Prospect	AU
Royal Flush	Past Producer	AU
Mohawk Mine	Past Producer	AU SB PB ZN AS
Little Nugget Creek	Past Producer	AU
Ace Creek	Prospect	AU
Elmes	Past Producer	AU
Tri-Con Mill	Past Producer	AU PB
Ryan Lode Leach	Producer	AU
Yellow Jacket	Prospect	AU
Little Dome Creek	Prospect	AU
Little Nugget Creek	Past Producer	AU

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
Goldstream Creek	Inactive	Au
Macomb	Inactive	Au?
Little Nugget Creek	Inactive	Au
Sheep Creek	Inactive	Au
Royal Flush; Adler	Inactive	Au
Happy Creek	Inactive	Au
Elmes; Ethel; Nickaloff	Inactive	Au
Irishman	Active	Au
Grant	Inactive	Au
Dorothy and Dorice; Cosgrove and...	Inactive	Sb
Last Chance	Inactive	Au
Mohawk; Bondholder; Bondholder E...	Inactive	Au
Saint (St.) Patrick Creek	Inactive	Au
Fair Chance; Frisco; McGlove; Mi...	Inactive	Au
Billy Sunday; Leah Fraction; Smi...	Inactive	Au
Ryan Lode	Inactive	Ag;Au
McDonald; Morton; Blue Bird; Blu...	Inactive	Au
Crown Point; Comstock	Inactive	Au
Stay; Little Eva; Eva No. 2; Cur...	Inactive	Au
Ace Creek	Inactive	Au
Gold Hill	Probably inactive	Au

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
D567977	beach/dune/loess	loess from roadcut;
D567978	beach/dune/loess	loess from roadcut;
D567979	beach/dune/loess	loess from roadcut;
D567980	beach/dune/loess	loess;
D567981	beach/dune/loess	loess;
D567982	beach/dune/loess	loess;
D567983	beach/dune/loess	loess;
D567984	beach/dune/loess	loess;
D567985	beach/dune/loess	loess;
D567986	beach/dune/loess	loess;
D567987	beach/dune/loess	loess;
D567988	beach/dune/loess	loess from roadcut;
D567989	beach/dune/loess	loess;
D567990	beach/dune/loess	loess;
D567991	beach/dune/loess	loess from roadcut;
D567992	beach/dune/loess	loess from roadcut;
D567993	beach/dune/loess	loess;
D567994	beach/dune/loess	loess from roadcut;
D567995	beach/dune/loess	loess;
D567996	beach/dune/loess	loess;
D567997	beach/dune/loess	loess;
D567998	beach/dune/loess	loess;
D567999	beach/dune/loess	loess from roadcut;
D568000	beach/dune/loess	loess from roadcut;
D568001	beach/dune/loess	loess;
D568002	beach/dune/loess	loess;
D568003	beach/dune/loess	loess;
D568004	beach/dune/loess	loess;
D568005	beach/dune/loess	loess;
D568006	beach/dune/loess	loess;
D568007	beach/dune/loess	loess;
D568008	beach/dune/loess	loess from roadcut;
D568009	beach/dune/loess	loess;
D568010	beach/dune/loess	loess;
D568011	beach/dune/loess	loess;
D568012	beach/dune/loess	loess;
D568013	beach/dune/loess	loess;
D568014	beach/dune/loess	loess;
D568015	beach/dune/loess	loess;
D568016	beach/dune/loess	loess;
D568017	beach/dune/loess	loess;
D568018	beach/dune/loess	loess;
D568019	beach/dune/loess	loess;
D568020	beach/dune/loess	loess;
D568021	beach/dune/loess	loess;
D568022	beach/dune/loess	loess;
D568023	beach/dune/loess	loess;
D568024	beach/dune/loess	loess;
D568025	beach/dune/loess	loess from roadcut;
D568026	beach/dune/loess	loess from roadcut;
D568027	beach/dune/loess	loess from roadcut;
D568028	beach/dune/loess	loess from roadcut;
D568029	beach/dune/loess	loess from roadcut;
D568030	beach/dune/loess	loess from roadcut;
D568031	beach/dune/loess	loess from roadcut;
D568032	beach/dune/loess	loess;
D568033	beach/dune/loess	loess;
D568034	beach/dune/loess	loess;
D568035	beach/dune/loess	loess;
D568036	beach/dune/loess	loess;
D568037	beach/dune/loess	loess;
D568038	beach/dune/loess	loess;
D568039	beach/dune/loess	loess;
D568040	beach/dune/loess	loess;
D568041	beach/dune/loess	loess;
D568042	beach/dune/loess	loess;
D568043	beach/dune/loess	loess;
D568044	beach/dune/loess	loess;
D568045	beach/dune/loess	loess;
D568046	beach/dune/loess	loess;
D568047	beach/dune/loess	loess;
D568048	beach/dune/loess	loess;
D568049	beach/dune/loess	loess;
D568050	beach/dune/loess	loess;
D568051	beach/dune/loess	loess;
D568052	beach/dune/loess	loess;
D568053	beach/dune/loess	loess;
D568054	beach/dune/loess	loess;
D568055	beach/dune/loess	loess;
D568056	beach/dune/loess	loess;
D568057	beach/dune/loess	loess;
D568058	beach/dune/loess	loess;
D568059	beach/dune/loess	loess from roadcut;
D568060	beach/dune/loess	loess;
D568061	beach/dune/loess	loess;
D568062	beach/dune/loess	loess;
D568063	beach/dune/loess	loess;
D568064	beach/dune/loess	loess;
D568065	beach/dune/loess	loess;
D568066	beach/dune/loess	loess;
D568067	beach/dune/loess	loess;
D568068	beach/dune/loess	loess;
D568069	beach/dune/loess	loess;
D568070	beach/dune/loess	loess;
D568071	beach/dune/loess	loess;
D568072	beach/dune/loess	loess;
D568073	beach/dune/loess	loess;
D568074	beach/dune/loess	loess from roadcut;
D568075	beach/dune/loess	loess from roadcut;
D568076	beach/dune/loess	loess from roadcut;
D568077	beach/dune/loess	loess from roadcut;
D568078	beach/dune/loess	loess from roadcut;
D568079	beach/dune/loess	loess from roadcut;
D577561	beach/dune/loess	loess;

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
CHA534	stream/river	St Patrick Mine;; stream
CHA536	stream/river	St Patrick Mine, + galena;; stream
CHA561	stream/river	Lookout Shear;; stream
CHA562	stream/river	Lookout Shear;; stream
CHA563	stream/river	Lookout Shear;; stream
CHA564	stream/river	Lookout Shear;; stream
CHA565	stream/river	Lookout Shear;; stream
CHA566	stream/river	Lookout Shear;; stream
CHA569	stream/river	Ryan Lode;; stream
CHA570	stream/river	Ryan Lode;; stream
CHA571	stream/river	Ryan Lode;; stream
CHV959	stream/river	Grant Mine Dump Lode; TriCon;; stream
CHV960	stream/river	Grant Mine qtz 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.

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
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.