Scientific data near [64.88611,-164.67084]

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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
DOnx	Metamorphic	Marble, graphitic rocks, and schist
Ocs	Metamorphic	Casadepaga Schist

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
Cady	M-Dg	Cady -9999 line km with spacing 0.40 km over parts of AK
Seward Peninsula	M-Dg	Seward Peninsula 24944 line km with spacing 0.40 km over parts of AK
Solomon	M/R-D	Solomon 531 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-WC09	Low-sulfide Au-quartz veins
AK-WC27	Sedex Zn-Pb
AK-WC17	Placer Au
AK-WC01	Besshi massive sulfide

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
Brooks-Seward	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
AJJ019	sediment
BDN281	concentrate	panned only concentrate
BDN291	concentrate	panned only concentrate
BDN292	concentrate	panned only concentrate
BDN293	concentrate	panned only concentrate
BDN296	concentrate	panned only concentrate
BDN299	concentrate	panned only concentrate
BFQ021	sediment
BFQ025	sediment
BFQ029	sediment
BFQ032	sediment
BFQ034	sediment
BFQ060	concentrate	panned only concentrate
BFQ063	concentrate	panned only concentrate
BFQ067	concentrate	panned only concentrate
BFQ071	concentrate	panned only concentrate
BFQ072	concentrate	panned only concentrate
BFQ073	concentrate	panned only concentrate
BFQ075	concentrate	panned only concentrate
BFQ076	concentrate	panned only concentrate
BFQ101	concentrate	panned only concentrate
BFQ103	concentrate	panned only concentrate
BFQ104	concentrate	panned only concentrate
BFQ105	concentrate	panned only concentrate
BFQ134	sediment
BFQ136	sediment
BFQ137	sediment
BFQ138	sediment
BFQ139	sediment
BFQ140	sediment
BFQ141	sediment
BFQ143	concentrate	panned only concentrate
BFQ146	concentrate	panned only concentrate
BFQ147	concentrate	panned only concentrate
BFQ173	sediment
BFQ175	sediment
BFQ180	sediment
BFQ182	sediment
BFQ203	concentrate	panned only concentrate
BFQ207	concentrate	panned only concentrate
BFQ208	concentrate	panned only concentrate
BFQ209	concentrate	panned only concentrate
BFQ210	concentrate	panned only concentrate
BFQ212	concentrate	panned only concentrate
BFQ217	concentrate	panned only concentrate
BFQ219	concentrate	panned only concentrate
BFQ220	concentrate	panned only concentrate
BFQ230	concentrate	panned only concentrate
BFQ231	concentrate	panned only concentrate
BFQ232	concentrate	panned only concentrate
BFQ234	concentrate	panned only concentrate
BFQ235	concentrate	panned only concentrate
BFQ236	concentrate	panned only concentrate
BFQ241	concentrate	panned only concentrate
BFQ254	concentrate	panned only concentrate
BFQ259	concentrate	panned only concentrate
BFQ262	concentrate	panned only concentrate
BFQ288	concentrate	panned only concentrate
CFL107	sediment
CFL108	sediment
CFQ438	concentrate	panned C3 fraction
CFQ439	concentrate	panned C3 fraction
CGA315	rock	metamorphic unspecified
M128329	concentrate	panned only concentrate

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
CGA315	metamorphic	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
Dome Creek	Past Producer	AU
Chickamin Gulch	Prospect	AU
Left Fork Dome Creek	Past Producer	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
Left Fork Dome Creek	Probably inactive	Au
Dome Creek	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.

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Sample ID	Sample source	Sample notes
AJJ019	stream/river	sample collected by Alaska DGGS;; stream
BFQ021	stream/river	stream
BFQ025	stream/river	stream
BFQ029	stream/river	stream
BFQ032	stream/river	stream
BFQ034	stream/river	stream
BFQ134	stream/river	stream
BFQ136	stream/river	stream
BFQ137	stream/river	stream
BFQ138	stream/river	stream
BFQ139	stream/river	stream
BFQ140	stream/river	stream
BFQ141	stream/river	stream
BFQ173	stream/river	stream
BFQ175	stream/river	stream
BFQ180	stream/river	stream
BFQ182	stream/river	stream
CFL107	stream/river	stream
CFL108	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
BDN281	mine dump/waste rock	mixed base-precious metal mineralization;
BDN291	mine dump/waste rock	mixed base-precious metal mineralization;
BDN292	mine dump/waste rock	mixed base-precious metal mineralization;
BDN293	mine dump/waste rock	mixed base-precious metal mineralization;
BDN296	mine dump/waste rock	mixed base-precious metal mineralization;
BDN299	mine dump/waste rock	mixed base-precious metal mineralization;
BFQ060	stream/river	stream
BFQ063	stream/river	stream
BFQ067	stream/river	stream
BFQ071	stream/river	stream
BFQ072	stream/river	stream
BFQ073	stream/river	stream
BFQ075	stream/river	stream
BFQ076	stream/river	stream
BFQ101	stream/river	stream
BFQ103	stream/river	stream
BFQ104	stream/river	stream
BFQ105	stream/river	stream
BFQ143	stream/river	stream
BFQ146	stream/river	stream
BFQ147	stream/river	stream
BFQ203	stream/river	stream
BFQ207	stream/river	stream
BFQ208	stream/river	stream
BFQ209	stream/river	stream
BFQ210	stream/river	stream
BFQ212	stream/river	stream
BFQ217	stream/river	stream
BFQ219	stream/river	stream
BFQ220	stream/river	stream
BFQ230	stream/river	stream
BFQ231	stream/river	stream
BFQ232	stream/river	stream
BFQ234	stream/river	stream
BFQ235	stream/river	stream
BFQ236	stream/river	stream
BFQ241	stream/river	stream
BFQ254	stream/river	stream
BFQ259	stream/river	stream
BFQ262	stream/river	stream
BFQ288	stream/river	stream
CFQ438	stream/river	stream
CFQ439	stream/river	stream
M128329	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
Yukon-Tanana Upland	porphyry copper	Kluane Arc and Tertiary Kuskokwim Mountains volcanic-plutonic belt (continuation of Canadian Cordilleran continental arc); north of the Denali Fault
Chukotka	porphyry copper	Early to Late Cretaceous volcanic and intrusive rocks composing island-arc, continental-arc, and collisional magmatic belts associated with the Chukotka microcontinent.
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.