Scientific data near [58.63333,-134.76667]

Search area extends approximately 8.9 km east-west and 17.1 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Juneau	Borough
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Juneau C-3	1:63,360 Alaska quadrangle
Juneau	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Lynn Canal	hydrologic unit
190103	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
g	Unconsolidated	Glaciers
MzPzss	Metamorphic	Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b)
MzPzss	Metamorphic	Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b)
MzPzsv	Metamorphic	Metavolcanic rocks west of the Coast plutonic complex of Brew and Morrell (1979b)
Pzgn	Metamorphic	Roof pendants of the Coast plutonic complex of Brew and Morrell (1979b)
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
TKts	Igneous - Plutonic	Foliated tonalite sill of Coast plutonic complex of Brew and Morrell (1979b)

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
Juneau '82	M-D	Juneau '82 6598 line km with spacing 1.60 km over parts of AK
Juneau	M/R-D	Juneau 1319 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-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.

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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
CCJ632	rock	igneous felsic
CCJ633	rock	igneous felsic
CCJ634	rock	igneous felsic
CCJ635	rock	igneous felsic
CCJ636	rock	igneous felsic
CCJ637	rock	igneous felsic
CCJ638	rock	metamorphic schist
CCJ639	rock	metamorphic schist
CCJ640	rock	metamorphic schist
CCJ641	rock	metamorphic phyllite-slate
CCJ652	rock	igneous felsic
CCJ653	rock	igneous felsic
CCJ654	rock	igneous felsic
CCJ655	rock	igneous felsic
CCJ656	rock	igneous felsic
CCJ657	rock	igneous felsic
CDB248	rock	igneous tonalite
CDB249	rock	igneous felsic
CDB346	sediment
CDB347	sediment
CDB348	sediment
CDB349	sediment
CDB350	sediment
CDB351	sediment
CDB352	sediment
CDB353	sediment
CDB354	sediment
CDB355	sediment
CDB356	sediment
CDB357	sediment
CDB358	sediment
CDB359	sediment
CDB360	sediment
CDB361	sediment
CDB362	sediment
CDB363	sediment
CDB364	sediment
CDB365	sediment
CDB366	sediment
CDB367	sediment
CDB384	rock	igneous felsic
CDB385	rock	igneous felsic
CDB386	rock	metamorphic schist
CDB387	rock	metamorphic schist
CDB388	rock	metamorphic gneiss
CDB389	rock	metamorphic gneiss
CDB392	rock	metamorphic schist
CDB393	rock	metamorphic schist
CDB394	rock	metamorphic schist
CDB395	rock	metamorphic schist
CDB396	rock
CDB397	rock
CDB398	rock	metamorphic phyllite-slate
CDB399	rock	metamorphic phyllite-slate
CDB400	rock	metamorphic phyllite-slate
CDB401	rock	metamorphic phyllite-slate
CDB402	rock	metamorphic phyllite-slate
CDB403	rock	metamorphic phyllite-slate
CDB408	rock	metamorphic phyllite-slate
CDB409	rock	metamorphic phyllite-slate
CDB410	rock	metamorphic phyllite-slate
CDB411	rock	metamorphic phyllite-slate
CDB465	rock	igneous intermediate
CDB484	rock	metamorphic marble
CDB485	rock	metamorphic schist
CDB486	rock	metamorphic gneiss
CDB487	rock	igneous intermediate
CDB489	rock	igneous intermediate
CDB545	rock	igneous intermediate
CDB549	rock	igneous intermediate
CDB565	rock	igneous tonalite
CDB568	rock	igneous tonalite
CDB569	rock	igneous intermediate
CDB572	rock	igneous intermediate
CFK890	rock	igneous felsic
CFL879	rock
CGC462	rock	sedimentary chert
CGC463	rock	sedimentary chert
CGC464	rock	sedimentary chert
CGC465	rock	sedimentary chert
CGC548	sediment
CGC549	sediment
CGG262	concentrate	panned C3 fraction
CGG263	concentrate	panned C3 fraction
CHV444	rock	metamorphic greenstone
EQC521	sediment
EQC522	sediment
EQC647	concentrate	panned C3 fraction
EQC648	concentrate	panned C3 fraction
M136761	rock	metamorphic gneiss
M136762	rock	metamorphic gneiss
M136764	rock	metamorphic gneiss
M136765	rock	metamorphic gneiss
M136767	rock	metamorphic gneiss
M137324	rock	igneous tonalite
M141604	rock	igneous tonalite
M141605	rock	igneous tonalite
M142350	mineral
M142351	mineral
M142352	mineral
M142353	mineral
M142364	mineral
M142365	mineral
M142366	mineral
M142367	mineral
M172401	rock
M179820	rock	igneous granodiorite
M181973	mineral
M181974	mineral
M181981	mineral
M181982	mineral
M181983	mineral
M181984	mineral

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
CCJ632	igneous	felsic
CCJ633	igneous	felsic
CCJ634	igneous	felsic
CCJ635	igneous	felsic
CCJ636	igneous	felsic
CCJ637	igneous	felsic
CCJ638	metamorphic	schist
CCJ639	metamorphic	schist
CCJ640	metamorphic	schist
CCJ641	metamorphic	phyllite-slate
CCJ652	igneous	felsic
CCJ653	igneous	felsic
CCJ654	igneous	felsic
CCJ655	igneous	felsic
CCJ656	igneous	felsic
CCJ657	igneous	felsic
CDB248	igneous	felsic
CDB249	igneous	felsic
CDB384	igneous	felsic
CDB385	igneous	felsic
CDB386	metamorphic	schist
CDB387	metamorphic	schist
CDB388	metamorphic	gneiss
CDB389	metamorphic	gneiss
CDB392	metamorphic	schist
CDB393	metamorphic	schist
CDB394	metamorphic	schist
CDB395	metamorphic	schist
CDB396	unspecified
CDB397	unspecified
CDB398	metamorphic	phyllite-slate
CDB399	metamorphic	phyllite-slate
CDB400	metamorphic	phyllite-slate
CDB401	metamorphic	phyllite-slate
CDB402	metamorphic	phyllite-slate
CDB403	metamorphic	phyllite-slate
CDB410	metamorphic	phyllite-slate
CDB411	metamorphic	phyllite-slate
CDB484	metamorphic	marble
CDB485	metamorphic	schist
CDB486	metamorphic	gneiss
CDB487	igneous	intermediate
CDB489	igneous	intermediate
CDB545	igneous	intermediate
CDB549	igneous	intermediate
CDB565	igneous	intermediate
CDB568	igneous	intermediate
CDB569	igneous	intermediate
CDB572	igneous	intermediate
CFK890	igneous	felsic
CGC462	unspecified	chert-jasperoid
CGC463	unspecified	chert-jasperoid
CGC464	unspecified	chert-jasperoid
CGC465	unspecified	chert-jasperoid
CHV444	igneous	mafic
M136761	metamorphic	gneiss
M136762	metamorphic	gneiss
M136764	metamorphic	gneiss
M136765	metamorphic	gneiss
M136767	metamorphic	gneiss
M141604	igneous	tonalite
M141605	igneous	tonalite
M179820	igneous	granodiorite

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
E Pluribus Unum Prospect	Occurrence	AU PB ZN
Black Chief Prospect	Occurrence	AU PB
E Pluribus Unum	Past Producer	AU SB AS PB AG ZN
Black Chief	Prospect	AU AG
Maude S	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.

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Site	Status	Commodities
E Pluribus Unum; Cottrell-Spauld...	Active	Au
Black Chief	Inactive	Au
Julia	Inactive	Ag;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.

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Sample ID	Sample source	Sample notes
CDB346	stream/river	stream
CDB347	stream/river	stream
CDB348	stream/river	stream
CDB349	stream/river	stream
CDB350	stream/river	stream
CDB351	stream/river	stream
CDB352	stream/river	stream
CDB353	stream/river	stream
CDB354	stream/river	stream
CDB355	stream/river	stream
CDB356	stream/river	stream
CDB357	stream/river	stream
CDB358	stream/river	stream
CDB359	stream/river	stream
CDB360	stream/river	stream
CDB361	stream/river	stream
CDB362	stream/river	stream
CDB363	stream/river	stream
CDB364	stream/river	stream
CDB365	stream/river	stream
CDB366	stream/river	stream
CDB367	stream/river	stream
CGC548	stream/river	stream
CGC549	stream/river	stream
EQC521	stream/river	stream
EQC522	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
CGG262	stream/river	stream
CGG263	stream/river	stream
EQC647	stream/river	stream
EQC648	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.

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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.