Scientific data near [59.61611,-135.16389]

Search area extends approximately 8.9 km east-west and 17.6 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Map quadrangles, from USGS or Canadian NTS
Skagway C-1	1:63,360 Alaska quadrangle
Skagway	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Chilkat-Skagway Rivers	hydrologic unit
190103	hydrologic accounting unit
Arctic Slope	hydrologic subregion
Alaska	hydrologic region

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
Canada		Canadian areas within quadrangles, southeast Alaska
Tcp	Igneous - Plutonic	Younger phase, Coast plutonic complex of Brew and Morrell (1979b)
Tcpp	Igneous - Plutonic	Porphyritic granodiorite phase of Coast plutonic complex of Brew and Morrell (1979b)
Tcpp	Igneous - Plutonic	Porphyritic granodiorite phase of Coast plutonic complex of Brew and Morrell (1979b)
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
Southeastern Alaska	M-D	Southeastern Alaska 12364 line km with spacing 9.60 km over parts of AK
Skagway	M/R-D	Skagway 450 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-SE07	Porphyry Cu
AK-SE19	Porphyry Cu, skarn related
AK-SE20	Porphyry Cu-Mo
AK-SE09	Cu Skarn
AK-SE14	Zn-Pb skarn

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

Radiometric ages of rocks from Alaska

Radiometric ages of rocks or minerals sampled from Alaska. The data were collected from professional publications and/or received from researchers and used by permission.

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Record	Type	Comment
AK-207
AK-206
AK-206

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
CFL984	rock	metamorphic schist
CFL985	rock	igneous felsic
CFL986	rock	igneous granite
CFL987	rock	igneous tonalite
CFL988	rock	igneous tonalite
CFL989	rock	igneous granite
D530377	rock	igneous tonalite
D530378	rock	igneous granite
D530385	rock	igneous tonalite
D530386	rock	igneous granite
M138977	mineral
M139314	mineral
M139646	mineral
M139656	mineral
M139662	mineral
M140239	mineral
M140252	mineral
M168022	rock	igneous granite
M168023	rock	igneous tonalite
M168024	rock	igneous tonalite
M168025	rock	igneous granite
W206757	rock	igneous granite
W206758	rock	igneous tonalite
W206777	rock	igneous granodiorite

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
7019565	1979-09-07	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7019566	1979-09-07	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7019567	1979-09-07	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7019568	1979-09-07	Wet natural-pond (or lake in Alaska) sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
3021185	1979-09-07	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3021186	1979-09-07	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3021187	1979-09-07	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3021188	1979-09-07	Natural-pond (or lake in Alaska) water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.

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
CFL984	metamorphic	schist
CFL985	igneous	felsic
CFL986	igneous	felsic
CFL987	igneous	felsic
CFL988	igneous	felsic
CFL989	igneous	felsic
D530377	igneous	tonalite
D530378	igneous	granite
D530385	igneous	tonalite
D530386	igneous	granite
M168022	igneous	granite
M168023	igneous	tonalite
M168024	igneous	tonalite
M168025	igneous	granite
W206757	igneous	granite
W206758	igneous	tonalite
W206760	igneous	felsic igneous

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
Inspiration Point	Prospect	AG PB AU CU ZN
Inspiration Point	Past Producer	AU CU PB AG ZN

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
Inspiration Point; Inspiration M...	Probably inactive	Ag;Pb

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
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.