Scientific data near [59.62778,-135.16083]

Search area extends approximately 1.1 km east-west and 2.2 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
British Columbia	province
Canada	country
North America	continent
Land	continent
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
Tcpp	Igneous - Plutonic	Porphyritic granodiorite phase 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
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

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
CFL988	rock	igneous tonalite
CFL989	rock	igneous granite
D530377	rock	igneous tonalite
D530378	rock	igneous granite
D530385	rock	igneous tonalite
D530386	rock	igneous granite
M168024	rock	igneous tonalite
M168025	rock	igneous granite
W206757	rock	igneous granite

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
CFL988	igneous	felsic
CFL989	igneous	felsic
D530377	igneous	tonalite
D530378	igneous	granite
D530385	igneous	tonalite
D530386	igneous	granite
M168024	igneous	tonalite
M168025	igneous	granite
W206757	igneous	granite

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.