Scientific data near [65.01467,-147.52489]

Search area extends approximately 8.9 km east-west and 21.1 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-2	1:63,360 Alaska quadrangle
Livengood	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
Kmgr	Igneous - Plutonic	Granitic rocks of central and southeast Alaska
Kmgr	Igneous - Plutonic	Granitic rocks of central and southeast Alaska
Kmgr	Igneous - Plutonic	Granitic rocks of central and southeast Alaska
MDag	Metamorphic	Augen gneiss and orthogneiss
Pze	Metamorphic	Eclogite and associated rocks
Pze	Metamorphic	Eclogite and associated rocks
PzPxyqs	Metamorphic	Quartzite and pelitic schist
PzPxyqs	Metamorphic	Quartzite and pelitic schist
PzPxyqs	Metamorphic	Quartzite and pelitic schist
Pzyms	Metamorphic	Mafic schist and amphibolite
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
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
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
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
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

Radiometric ages of rocks from Alaska

Radiometric ages of rocks or minerals sampled from Alaska. The data were collected from professional publications and/or received from researchers and used by permission.

Database Home

Record	Type	Comment
ECPD-1

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
BFN907	concentrate	panned C3 fraction
C178247	sediment
CGJ157	mineral
CGJ158	mineral
CGJ159	mineral
CGJ160	mineral
CGJ161	mineral
CGJ162	mineral
CGJ163	mineral
CGJ199	mineral
CGJ200	mineral
CGJ239	mineral
CGJ771	concentrate	panned C3 fraction
CGL572	sediment
CGL575	rock	igneous felsic
CGL576	rock	metamorphic gossan
CGL577	rock	metamorphic schist
CGL578	rock
CGL636	rock	metamorphic schist
CGL637	rock	metamorphic schist
CGL638	rock	metamorphic quartzite
CGL639	rock	metamorphic schist
CGL640	rock	igneous felsic
CGL641	rock	igneous felsic
CGL642	rock	igneous felsic
CGL643	rock	metamorphic quartzite
CGL644	rock	metamorphic quartzite
CGL645	rock	metamorphic quartzite
CGL646	rock	metamorphic schist
CGL647	rock	igneous intermediate
CGL648	rock	metamorphic schist
CGL649	rock	igneous intermediate
CHB044	mineral
CHB045	mineral
CHB046	mineral
CHB047	mineral
CHB048	mineral
CHB049	mineral
CHM970	sediment
D152156	concentrate	panned C3 fraction
D153808	concentrate	panned C3 fraction
D271187	soil
D271233	soil
D305217	soil
D305218	soil
D305219	soil
D305220	soil
D305221	soil
D305222	soil
D305223	soil
D305224	soil
D305225	soil
D305226	soil
D305227	soil
D305228	soil
D305229	soil
D305230	soil
D305231	soil
D305232	soil
D305233	soil
D305234	soil
D305235	soil
D305236	soil
D305237	soil
D305238	soil
D305239	soil
D305240	soil
D305241	soil
D305242	soil
D305243	soil
D305244	soil
D305245	soil
D305246	soil
D305247	soil
D305248	soil
D305249	soil
D305250	soil
D305251	soil
D305252	soil
D305253	soil
D305254	soil
D305255	soil
D305256	soil
D305257	soil
D305258	soil
D305259	soil
D305260	soil
D305261	soil
D305262	soil
D305263	soil
D305264	soil
D305265	soil
D305266	soil
D305267	soil
D305268	soil
D305269	soil
D305270	soil
D305271	soil
D305272	soil
D305273	soil
D305274	soil
D305275	soil
D305276	soil
D305277	soil
D305278	soil
D305279	soil
D305280	soil
D305281	soil
D305282	soil
D305283	soil
D305284	soil
D305285	soil
D305286	soil
D305287	soil
D305288	soil
D305289	soil
D305290	soil
D305291	soil
D305292	soil
D320668	soil
F000863	rock	igneous unspecified
F000864	rock	igneous unspecified
F000865	rock	igneous unspecified
F000866	rock	igneous unspecified
F000867	rock	igneous unspecified
F003297	rock	igneous granodiorite
F003321	rock	igneous granodiorite
F003322	rock	igneous quartz diorite
F003323	rock	metamorphic breccia
F003324	rock	metamorphic breccia
F003325	rock	metamorphic schist
F003558	rock	igneous quartz diorite
M119866	sediment
M119867	sediment
M119868	sediment
M119869	sediment
M119878	sediment
M119879	sediment
M143379	rock	igneous tonalite
MIN094	concentrate	panned C3 fraction
W246003	rock	igneous quartz diorite

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
7032173	1977-07-26	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7032177	1977-07-26	Wet stream sediment sample dried at less than or equal to 100øC 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
3034193	1977-07-26	Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3034197	1977-07-26	Stream 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
CGL575	igneous	felsic
CGL577	metamorphic	schist
CGL578	unspecified
CGL647	igneous	intermediate
CGL648	metamorphic	schist
CGL649	igneous	intermediate
F003321	igneous	granodiorite
F003322	igneous	quartz diorite
F003323	metamorphic	breccia
F003324	metamorphic	breccia
F003325	metamorphic	schist
F003556	igneous	quartz diorite
F003558	igneous	quartz diorite
M143379	igneous	tonalite
W246001	igneous	quartz diorite
W246003	igneous	quartz diorite

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
Hoover	Prospect	AU SB
Steamboat Creek	Past Producer	AU
Flume Creek	Past Producer	AU
Hidden Treasure	Past Producer	AU
Hindenburg	Past Producer	SB AU
Nightingale	Prospect	AG PB SB
Pedro Creek	Past Producer	AU AG SN
Gilmore Creek	Past Producer	AU BI W
Soo	Past Producer	AU SB PB AG
True North	Prospect	AU
Pedro Creek	Past Producer	AU SN
Soo	Past Producer	AU AG PB SB
Pedro Creek	Past Producer	AU SN
Steamboat Creek Mine	Past Producer	AG SB AU PB W
Flume Creek	Past Producer	AU AG SN
Gilmore Creek	Past Producer	AU BI NB AG SN W
Flume Creek	Past Producer	AU
Dome View	Prospect	AU
Steamboat Creek	Prospect	AG PB
S.S.	Prospect	AU
Thompson and Burns	Prospect	AU
Blue Moon	Prospect	AU
True North	Prospect	AU
Lundgren-Rowley	Prospect	W
Hoover	Past Producer	AU SB PB AG
Hidden Treasure	Past Producer	AU
Gilmore Creek Placer	Producer	AU BI W
Speculation	Prospect	AU
Ed	Prospect	AU
Gilmore Creek	Occurrence	W AU BI
Pannick 1-2	Prospect	AU PB AG
Egan Twin Cr.	Occurrence	W
Plata Lode	Prospect	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
Flume Creek	Inactive	Au
Pedro Creek	Inactive	Au
Gilmore Creek	Inactive	Au
Soo; Spaulding; Wild Rose; Chief...	Inactive	Au
Hindenburg; Markovich	Inactive	Sb
True North	Inactive	Au;Sb
Flume Creek	Inactive	Au
Pedro Creek	Inactive	Au
Steamboat Creek	Inactive	Au
Lundgren-Rowley	Inactive	W
Nightingale	Inactive	Ag
Steamboat Creek	Inactive	Ag
Hoover	Inactive	Au
Thompson and Burns	Inactive	Au
Hidden Treasure	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
C177968	stream/river	Re-analysis using split of original pulp; stream
C178247	stream/river	Re-analysis using split of original pulp; stream
CGL572	stream/river	stream
CHM970	stream/river	reanalyzed NURE sample;; stream
CHM974	stream/river	reanalyzed NURE sample;; stream
M119866		clay;
M119867		clay;
M119868		clay;
M119869		clay;
M119878		clay;
M119879		clay;

National Geochemical Database: Soil

Geochemical analysis of soil samples 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
D271187	forest/scattered timberland
D271233	forest/scattered timberland
D305217		core, +10;
D305218		core, +10;
D305219		core, +10;
D305220		core, +10;
D305221		core, +10;
D305222		core, +10;
D305223		core, +10;
D305224		core, +10;
D305225		core, +10;
D305226		core, +10;
D305227		core, +10;
D305228		core, +10;
D305229		core, +10;
D305230		core, +10;
D305231		core, +10;
D305232		core, +10;
D305233		core, +10;
D305234		core, +10;
D305235		core, +10;
D305236		core, +10;
D305237		core, +10;
D305238		core, +10;
D305239		core;
D305240		core;
D305241		core;
D305242		core;
D305243		core;
D305244		core;
D305245		core;
D305246		core;
D305247		core;
D305248		core;
D305249		core;
D305250		core;
D305251		core;
D305252		core;
D305253		core;
D305254		core;
D305255		core;
D305256		core;
D305257		core;
D305258		core;
D305259		core;
D305260		core;
D305261		core;
D305262		core;
D305263		core;
D305264		core;
D305265		core;
D305266		core;
D305267		core;
D305268		core;
D305269		core;
D305270		core;
D305271		core;
D305272		core;
D305273		core;
D305274		core;
D305275		core;
D305276		core;
D305277		core;
D305278		core;
D305279		core;
D305280		core;
D305281		core;
D305282		core;
D305283		core;
D305284		core;
D305285		core;
D305286		core;
D305287		core;
D305288		core;
D305289		core;
D305290		core;
D305291		core;
D305292		core;
D320668	forest/scattered timberland	mull, humus; Sam Skidmore;

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
BFN907	stream/river	stream
CGJ771	stream/river	Steamboat Ck, Mohawk Oil;; stream
D152156	stream/river	stream
D153808	stream/river	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.