Scientific data near [55.37555,-132.96388]

Search area extends approximately 17.8 km east-west and 31.3 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Map quadrangles, from USGS or Canadian NTS
Craig (alaska) B-3	1:63,360 Alaska quadrangle
Craig	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Prince of Wales	hydrologic unit
190101	hydrologic accounting unit
Arctic Slope	hydrologic subregion
Alaska	hydrologic region
Areas administered by US Federal agencies
Tongass National Forest	National Forest
National Forest FS	Type of land area
FS	Federal land areas administered by FS

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
CPxwg	Metamorphic	Wales Group, undivided
CPxwgm	Metamorphic	Wales Group marble
Dfr	Igneous - Volcanic	Freshwater Bay and Port Refugio Formations
Dfr	Igneous - Volcanic	Freshwater Bay and Port Refugio Formations
Dmv	Igneous - Volcanic	Mixed volcanic rocks of southeast Alaska
Kmgr	Igneous - Plutonic	Granitic rocks of central and southeast Alaska
SOd	Sedimentary	Descon Formation and other sedimentary and volcanic rocks of Prince of Wales Island
SOv	Sedimentary	Associated volcanic rocks
w		Water

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
Craig 1982	M-D	Craig 1982 9221 line km with spacing 0.80 km over parts of AK
Craig AK	M/R-D	Craig AK 1496 line km with spacing 9.60 km over parts of AK
Ketchikan 1999	M/EM-D	Ketchikan 1999 4751 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-SE05	Sierran Kuroko mass. sulf.
AK-SE07	Porphyry Cu
AK-SE07	Porphyry Cu
AK-SE19	Porphyry Cu, skarn related
AK-SE19	Porphyry Cu, skarn related
AK-SE20	Porphyry Cu-Mo
AK-SE13	Polymetallic vein
AK-SE13	Polymetallic vein
AK-SE09	Cu Skarn
AK-SE04	Kuroko massive sulfide
AK-SE20	Porphyry Cu-Mo

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
Alexander	Oceanic arc	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
ACE876	sediment
ACE877	sediment
ACE878	sediment
ACE880	sediment
ACE906	sediment
ACE907	sediment
ACL407	sediment
ACL410	sediment
ACL411	sediment
ACL414	sediment
ACL415	sediment
ACL419	sediment
ACL426	sediment
ACL427	sediment
ACL431	sediment
ACL432	sediment
ACL433	sediment
ACL434	sediment
ACL435	sediment
ACL436	sediment
ACL437	sediment
ACL438	sediment
ACL439	sediment
ACL440	sediment
ACL441	sediment
ACL442	sediment
ACL443	sediment
ACL444	sediment
ACL980	sediment
ACL981	sediment
ACL982	sediment
ACL983	sediment
ACL986	sediment
ACL987	sediment
ACL988	sediment
ACL989	sediment
AMG005	sediment
AMG006	sediment
C177453	rock	igneous quartz diorite
C185533	rock	metamorphic massive sulfide
C185534	rock	metamorphic unspecified
C185535	rock	metamorphic schist
C185536	rock	metamorphic schist
C185537	rock	metamorphic massive sulfide
C185538	rock	metamorphic massive sulfide
C185539	rock	metamorphic metacarbonate
C185540	rock	metamorphic unspecified
C185541	rock	metamorphic schist
C185542	rock	metamorphic unspecified
C209083	rock	metamorphic unspecified
C209084	rock	metamorphic unspecified
C209085	rock	metamorphic unspecified
CGZ127	sediment
CGZ128	sediment
CGZ129	sediment
CGZ130	sediment
CGZ131	sediment
CGZ132	sediment
CGZ133	sediment
CGZ134	sediment
CGZ135	sediment
CGZ136	sediment
CGZ137	sediment
CGZ139	sediment
CGZ140	sediment
CGZ203	sediment
CGZ204	sediment
CGZ205	sediment
CGZ206	sediment
CGZ428	sediment
CGZ429	sediment
CGZ433	sediment
CGZ522	concentrate	panned C3 fraction
CGZ880	concentrate	panned C3 fraction
CGZ881	concentrate	panned C3 fraction
CGZ883	concentrate	panned C3 fraction
CGZ885	concentrate	panned C3 fraction
CGZ887	concentrate	panned C3 fraction
CGZ888	concentrate	panned C3 fraction
CGZ923	rock	sedimentary spring deposit
CGZ924	rock	sedimentary spring deposit
CGZ925	rock	metamorphic schist
CGZ926	rock
CGZ927	rock
CGZ928	rock
CGZ929	rock	metamorphic unspecified
CGZ930	rock	metamorphic metafelsite
CGZ931	rock	metamorphic metafelsite
CGZ932	rock	metamorphic metafelsite
D382852	sediment
D383880	rock
D383881	rock
D383882	rock

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
C177453	igneous	quartz diorite
C185533	metamorphic
C185534	metamorphic
C185535	metamorphic	schist
C185536	metamorphic	schist
C185537	metamorphic
C185538	metamorphic
C185539	metamorphic
C185540	metamorphic
C185541	metamorphic	schist
C185542	metamorphic
C209083	metamorphic
C209084	metamorphic
C209085	metamorphic
CGZ923	unspecified	spring deposit
CGZ924	unspecified	spring deposit
CGZ925	unspecified
CGZ926	unspecified
CGZ927	unspecified
CGZ928	unspecified
CGZ929	unspecified
CGZ930	metamorphic	metafelsite
CGZ931	metamorphic	metafelsite
CGZ932	metamorphic	metafelsite
D383880	unspecified
D383881	unspecified
D383882	unspecified

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
Big Harbor Mine	Past Producer	CU AU AG ZN
Big Harbor	Past Producer	CU
Little Jo	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
Big Harbor	Active	Cu;Zn

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
ACE876	stream/river	stream
ACE877	stream/river	stream
ACE878	stream/river	stream
ACE880	stream/river	stream
ACE906	stream/river	stream
ACE907	stream/river	stream
ACL407	stream/river	stream
ACL410	stream/river	stream
ACL411	stream/river	stream
ACL414	stream/river	stream
ACL415	stream/river	stream
ACL419	stream/river	stream
ACL426	stream/river	stream
ACL427	stream/river	stream
ACL431	stream/river	stream
ACL432	stream/river	stream
ACL433	stream/river	stream
ACL434	stream/river	stream
ACL435	stream/river	stream
ACL436	stream/river	stream
ACL437	stream/river	stream
ACL438	stream/river	stream
ACL439	stream/river	stream
ACL440	stream/river	stream
ACL441	stream/river	stream
ACL442	stream/river	stream
ACL443	stream/river	stream
ACL444	stream/river	stream
ACL980	stream/river	stream
ACL981	stream/river	stream
ACL982	stream/river	stream
ACL983	stream/river	stream
ACL986	stream/river	stream
ACL987	stream/river	stream
ACL988	stream/river	stream
ACL989	stream/river	stream
AMG005	stream/river	stream
AMG006	stream/river	stream
CGZ127	stream/river	stream
CGZ128	stream/river	stream
CGZ129	stream/river	stream
CGZ130	stream/river	stream
CGZ131	stream/river	stream
CGZ132	stream/river	stream
CGZ133	stream/river	stream
CGZ134	stream/river	stream
CGZ135	stream/river	stream
CGZ136	stream/river	stream
CGZ137	stream/river	stream
CGZ139	stream/river	stream
CGZ140	stream/river	stream
CGZ203	stream/river	stream
CGZ204	stream/river	stream
CGZ205	stream/river	stream
CGZ206	stream/river	stream
CGZ428	stream/river	stream
CGZ429	stream/river	stream
CGZ433	stream/river	stream
D382852	stream/river	stream

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
CGZ522	stream/river	stream
CGZ880	stream/river	insufficient sample - data qualitative;; stream
CGZ881	stream/river	stream
CGZ883	stream/river	insufficient sample - data qualitative;; stream
CGZ885	stream/river	insufficient sample - data qualitative;; stream
CGZ887	stream/river	insufficient sample - data qualitative;; stream
CGZ888	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
Late Continental Arc	porphyry copper	Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Oligocene-Pliocene)
Intermontane Island-Arc	porphyry copper	Porphyry Cu systems associated with pre-accretionary Triassic and Jurassic calc-alkalic island arcs that formed offshore of western North America
Intermontane Island-Arc Cu-Au	porphyry copper	Triassic and Jurassic alkalic igneous rocks of accreted island arcs that formed offshore of western North America
Insular Mixed Island- and Continental Arc	porphyry copper	Calc-alkalic igneous rocks of accreted Jurassic island-arc terranes
Cordilleran Continental Arc	porphyry copper	Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Jurassic-Eocene)
Southeast Alaska Tertiary	porphyry copper	Tertiary subduction and postsubduction calc-alkalic plutons of southeast Alaska
Alaska Peninsula and Aleutian Islands	porphyry copper	Tertiary felsic to intermediate composition intrusions of the Alaska Peninsula and Aleutian Islands
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.