Scientific data near [57.59900,-133.31814]

Search area extends approximately 2.2 km east-west and 4.2 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Map quadrangles, from USGS or Canadian NTS
Sumdum C-4	1:63,360 Alaska quadrangle
Sumdum	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Mainland	hydrologic unit
190102	hydrologic accounting unit
Arctic Slope	hydrologic subregion
Alaska	hydrologic region
Areas administered by US Federal agencies
Chuck River Wilderness	Wilderness
Wilderness FS	Type of land area
FS	Federal land areas administered by FS
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
MzPzss	Metamorphic	Metasedimentary and minor metavolcanic rocks along the west side of the 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.

Database Home

ID	Data type	Description
Sumdum	M/R-D	Sumdum 426 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.

Database Home

Lab ID	Sample medium	Description
LBP583	rock
LBP584	rock
LBP587	rock
LBP588	rock
LBP589	rock
LBP590	rock
LBP591	rock
LBP592	rock
LBP593	rock
LBP594	rock
LBP595	rock
LBP596	rock
LBP597	rock
LBP598	rock
LBP599	rock
LBQ378	rock	metamorphic schist
LBQ380	rock	metamorphic schist
LBQ381	rock	metamorphic schist
LBQ382	rock	metamorphic schist
LBQ506	rock
LBQ507	rock
LBQ508	rock
LBQ509	rock
LBQ510	rock
LBQ511	rock
LBQ512	rock
LBQ513	rock
LBQ527	rock
LBQ528	rock
LBQ529	rock
LBQ636	sediment
LBQ692	sediment
LBQ693	sediment
LBQ695	sediment
LBQ801	concentrate	panned only concentrate
LBQ802	concentrate	panned only concentrate
LBQ803	concentrate	panned only concentrate
LBQ804	concentrate	panned only concentrate
LBQ805	concentrate	panned only concentrate
LBQ806	concentrate	panned only concentrate
LBQ807	concentrate	panned only concentrate
LBQ808	concentrate	panned only concentrate
LBQ809	concentrate	panned only concentrate
LBQ810	concentrate	panned only concentrate
LBQ811	concentrate	panned only concentrate
LBQ812	concentrate	panned only concentrate
LBQ813	concentrate	panned only concentrate
LBQ814	concentrate	panned only concentrate
LBQ815	concentrate	panned only concentrate
LBQ816	concentrate	panned only concentrate
LBQ990	rock	metamorphic schist

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
LBP583	unspecified
LBP584	unspecified
LBP588	unspecified
LBP589	unspecified
LBP590	unspecified
LBP591	unspecified
LBP592	unspecified
LBP593	unspecified
LBP594	unspecified
LBP595	unspecified
LBP596	unspecified
LBP597	unspecified
LBP598	unspecified
LBP599	unspecified
LBP605	metamorphic	phyllite-slate
LBP606	metamorphic	phyllite-slate
LBP607	metamorphic	phyllite-slate
LBP608	metamorphic	phyllite-slate
LBP609	metamorphic	phyllite-slate
LBP610	metamorphic	phyllite-slate
LBP611	metamorphic	phyllite-slate
LBP612	metamorphic	phyllite-slate
LBP613	metamorphic	phyllite-slate
LBP614	metamorphic	phyllite-slate
LBP615	metamorphic	phyllite-slate
LBP616	metamorphic	phyllite-slate
LBP617	metamorphic	phyllite-slate
LBP618	metamorphic	phyllite-slate
LBP619	metamorphic	phyllite-slate
LBP620	metamorphic	phyllite-slate
LBP621	metamorphic	phyllite-slate
LBP622	metamorphic	phyllite-slate
LBP623	metamorphic	phyllite-slate
LBP624	metamorphic	phyllite-slate
LBP625	metamorphic	phyllite-slate
LBP626	metamorphic	phyllite-slate
LBP627	metamorphic	phyllite-slate
LBP628	metamorphic	phyllite-slate
LBP629	metamorphic	phyllite-slate
LBP630	metamorphic	phyllite-slate
LBP631	metamorphic	phyllite-slate
LBP632	metamorphic	phyllite-slate
LBP633	metamorphic	phyllite-slate
LBP634	metamorphic	phyllite-slate
LBP635	unspecified
LBP636	unspecified
LBP637	unspecified
LBQ378	metamorphic	schist
LBQ380	metamorphic	schist
LBQ381	metamorphic	schist
LBQ503	unspecified
LBQ504	unspecified
LBQ505	unspecified
LBQ506	unspecified
LBQ507	unspecified
LBQ508	unspecified
LBQ509	unspecified
LBQ510	unspecified
LBQ511	unspecified
LBQ512	unspecified
LBQ513	unspecified
LBQ514	unspecified
LBQ515	unspecified
LBQ516	unspecified
LBQ517	unspecified
LBQ518	unspecified
LBQ519	unspecified
LBQ520	unspecified
LBQ521	unspecified
LBQ522	unspecified
LBQ523	unspecified
LBQ524	unspecified
LBQ525	unspecified
LBQ526	unspecified
LBQ527	unspecified
LBQ528	unspecified
LBQ529	unspecified
LBQ559	unspecified
LBQ560	unspecified
LBQ561	unspecified
LBQ562	unspecified
LBQ563	unspecified
LBQ564	unspecified
LBQ565	unspecified
LBQ566	unspecified
LBQ567	unspecified
LBQ568	unspecified
LBQ580	unspecified
LBQ581	unspecified
LBQ582	unspecified
LBQ583	unspecified
LBQ584	unspecified
LBQ585	unspecified
LBQ586	unspecified
LBQ587	unspecified
LBQ588	unspecified
LBQ589	unspecified
LBQ590	unspecified
LBQ990	metamorphic	schist

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
Jenny Reed Gold Prospect	Occurrence	AU AG ZN CU
Red Wing Gold Prospect	Past Producer	AU AG PB ZN CU
Fries and Falls Quartz Gold Prospects	Occurrence	AU AG

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
Jenny Reed	Probably inactive	Au
Fries; Falls Quartz	Probably inactive
Red Wing	Undetermined	Au
Second Basin	Probably inactive	Au
Marty	Probably 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
LBQ636	stream/river	stream
LBQ692	stream/river	stream
LBQ693	stream/river	stream
LBQ695	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
LBQ801	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ802	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ803	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ804	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ805	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ806	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ807	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ808	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ809	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ810	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ811	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ812	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ813	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ814	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ815	stream/river	1st place basin, Spruce Ck, collected by USBM;; stream
LBQ816	stream/river	1st place basin, Spruce Ck, collected by USBM;; 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.