Scientific data near [55.99166,-130.05000]

Search area extends approximately 2.2 km east-west and 4.0 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Map quadrangles, from USGS or Canadian NTS
Ketchikan D-1	1:63,360 Alaska quadrangle
Ketchikan	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Southeast Mainland	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

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Map symbol	Lithology	Unit name
TrPvs	Metamorphic	Metamorphic rocks, southeast Alaska
TrPvs	Metamorphic	Metamorphic rocks, southeast Alaska
Trqd	Igneous - Plutonic	Quartz diorite and granodiorite
Trqd	Igneous - Plutonic	Quartz diorite and granodiorite

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
SE Alaska (Granite Fiords)	M-Dz	SE Alaska (Granite Fiords) 2735 line km with spacing 1.60 km over parts of AK
Bradfield Canal	M/R-D	Bradfield Canal 716 line km with spacing 9.60 km over parts of AK
Ketchikan	M/R-D	Ketchikan 1609 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).

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

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
Taku	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
ACI220	rock	igneous granodiorite
ACI221	rock	igneous granodiorite
ACI222	rock	igneous granodiorite
ACI223	rock	igneous granodiorite
ACI224	rock	igneous granite
ACI225	rock	metamorphic greenschist
ACI226	rock	igneous granodiorite
ACI227	rock	metamorphic metasediment
ACI228	rock	igneous lamprophyre
ACI229	rock	igneous granite
ACI230	rock	igneous granite
ACI231	rock	igneous granodiorite
ACI293	rock	metamorphic metasediment
ACI294	rock	metamorphic metasediment
ACI295	rock	igneous granite
ACI296	rock	igneous quartz diorite
ACI297	rock	metamorphic metasediment
ACI813	sediment
ACI826	sediment
BFE925	concentrate	panned C1 fraction
BFO015	concentrate	panned C3 fraction
D154138	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"

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Sample ID	Rock type	Rock name
ACI220	unspecified
ACI221	unspecified
ACI222	unspecified
ACI223	unspecified
ACI224	unspecified
ACI225	unspecified
ACI226	unspecified
ACI227	unspecified
ACI228	unspecified
ACI229	unspecified
ACI230	unspecified
ACI231	unspecified
ACI293	unspecified
ACI294	unspecified
ACI295	unspecified
ACI296	unspecified
ACI297	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.

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Site name	Development	Commodities
Ronan Copper	Prospect	AG AU CU
Starboard Claims	Past Producer	AG PB AU CU ZN W
Olympia Claim	Past Producer	AG PB AU CU ZN W
Nevada Claim	Occurrence	AG PB AU CU ZN
Bishop	Prospect	AG AU CU PB
Mountain View Group-Gray Copper Vein	Occurrence	AG PB AU CU ZN W MO
Mountain View Group - Skookum Vein	Occurrence	AU AG PB ZN CU MO
Mountain View Group - Ruby Silver Vein	Occurrence	AU AG PB ZN CU SB MO
Lucky Boy Extension	Prospect	CU PB ZN W
Mountain View	Prospect	W AU PB AG
Fish Creek	Past Producer	CU AU PB AG ZN
Fish Creek	Past Producer	AG AU CU PB ZN W
Mountain View: Fish Creek nos. 1, 2, and 3	Past Producer	AG AU CU MO PB W ZN BA U
Riverside	Past Producer	W AU AG ZN CU PB
Ronan Copper	Unknown	AG AU CU
Mountain View	Occurrence	W ZN AU AG PB CU
Mountain View Group - Marsh Vein	Occurrence	PB ZN CU
Last Shot	Prospect	AG AU CU PB ZN W

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
Ronan Copper	Undetermined	Ag;Au;Cu
Last Shot	Inactive	Ag;Au;Cu;Pb;Zn
Fish Creek; Olympia; Starboard; ...	Undetermined	Ag;Au;Cu;Pb;Zn
Bishop	Undetermined	Ag;Au
Mountain View: Fish Creek nos. 1...	Undetermined	Ag;Au;Cu;Mo;Pb;W;Zn
Lucky Boy Extension; Bear; Adena...	Undetermined	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
ACI813	stream/river	stream
ACI814	stream/river	stream
ACI826	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.

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Sample ID	Sample source	Sample notes
BFE925	stream/river	stream
BFO015	stream/river	stream
D154138	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.