Scientific data near [55.21193,-132.06318]

Search area extends approximately 8.9 km east-west and 15.6 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Map quadrangles, from USGS or Canadian NTS
Craig (alaska) A-1	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
CZogn	Metamorphic	Orthogneiss
DOgi	Igneous - Plutonic	Syenite, trondhjemite, and granite
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.

Database Home

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).

Database Home

Tract	Deposit Type	Mineralization age
AK-SE05	Sierran Kuroko mass. sulf.
AK-SE20	Porphyry Cu-Mo
AK-SE07	Porphyry Cu
AK-SE19	Porphyry Cu, skarn related
AK-SE13	Polymetallic vein
AK-SE09	Cu Skarn
AK-SE04	Kuroko massive sulfide
AK-SE03	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.

Database Home

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
C177504	rock	metamorphic metabasalt
C185623	rock	metamorphic breccia
C185624	rock	metamorphic breccia
C185625	rock	metamorphic breccia
CGH570	sediment
CGH571	sediment
CGH618	sediment
CGH620	sediment
CGH669	sediment
CGH670	sediment
CGH671	sediment
CGH675	sediment
CGH822	concentrate	panned C3 fraction
CGH824	concentrate	panned C3 fraction
CGH871	concentrate	panned C3 fraction
CGH872	concentrate	panned C3 fraction
CGH873	concentrate	panned C3 fraction
CGH877	concentrate	panned C3 fraction

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
C177504	igneous	metabasalt
C185623	metamorphic
C185624	metamorphic
C185625	metamorphic

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
Gladstone Prospect	Occurrence	CU AU AG
Equator Prospect	Occurrence	AU CU
Park View	Prospect	CU AU PB ZN
Gladstone	Prospect	AU CU
Equator	Prospect	CU AU PB AG
Park View Claim	Occurrence	AU CU
Saco Prospect	Occurrence	CU AU AG
O.K. Occurrence	Occurrence	CU ZN AU AG PB

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
Kael-7 Mile Trend	Active?	Au;Cu
Park View	Active?	Au;Cu
Equator; Saco	Undetermined	Au;Cu
Gladstone	Undetermined	Au;Cu
Kael Pit	Active?	Au;Cu
O.K.	Undetermined	Au;Cu;Pb;Zn
7-mile Gold	Active?	Au;Cu
Unnamed (near 'Jesse Lake')	Undetermined	Ag;Au;Cu;Pb;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
CGH570	stream/river	stream pebbles;; stream
CGH571	stream/river	stream pebbles;; stream
CGH618	stream/river	stream
CGH669	stream/river	stream
CGH670	stream/river	stream
CGH671	stream/river	stream
CGH674	stream/river	stream
CGH675	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
CGH822	stream/river	stream
CGH871	stream/river	stream
CGH872	stream/river	stream
CGH873	stream/river	stream
CGH876	stream/river	stream
CGH877	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.