Scientific data near [64.91800,-164.24600]

Search area extends approximately 8.9 km east-west and 21.0 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Nome	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Solomon D-5	1:63,360 Alaska quadrangle
Solomon	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Nome	hydrologic unit
190501	hydrologic accounting unit
South Central Alaska	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
DOnx	Metamorphic	Marble, graphitic rocks, and schist
Pzncs	Metamorphic	Younger schist
PzPxnc	Metamorphic	Nome Complex, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided

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
Seward Peninsula	M-D	Seward Peninsula 24944 line km with spacing 0.40 km over parts of AK
Cady	M-D	Cady -9999 line km with spacing 0.40 km over parts of AK
Council	M/EM-D	Council 4559 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
BFE199	concentrate	panned C1 fraction
BFE741	concentrate	panned C1 fraction
CEX429	sediment
CEX430	sediment
CEX432	sediment
CFB922	concentrate	panned C3 fraction
CFB923	concentrate	panned C3 fraction
CFB925	concentrate	panned C3 fraction
CFL174	sediment
CFL176	sediment
CFQ605	concentrate	panned C3 fraction
CFQ607	concentrate	panned C3 fraction
CGA001	rock	metamorphic gossan
CGJ414	rock	metamorphic schist
CGL323	rock	metamorphic unspecified
CGL343	rock	metamorphic unspecified
CGL344	rock	metamorphic unspecified
CHJ171	concentrate	panned C3 fraction
CHJ632	mineral
CJL649	concentrate	panned C3 fraction

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
7023826	1978-07-15	Dry stream sediment sample dried at less than or equal to 100øC (if necessary) and sieved to -100 mesh through stainless steel sieves.

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
CGA001	unspecified
CGJ414	unspecified
CGL323	metamorphic	unspecified
CGL343	metamorphic	unspecified
CGL344	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
Dixon Creek	Past Producer	AU
Spruce Creek	Past Producer	AU
Mount Dixon	Prospect	CU
Spruce Creek Trib. Casadepaga R.	Past Producer	AU
Casa River West	Past Producer	AU
Casadepaga River	Prospect	AU
Mount Dixon	Occurrence	CU
Dry Creek (Gulch)	Past Producer	AU
Thorpe Creek	Past Producer	AU
Dixon Creek	Past Producer	AU AG
Dry Creek Trib. Casadepaga River	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
Mount Dixon	Inactive	Cu
Dixon Creek	Inactive	Au
Goose Creek	Inactive	Au
Dry Creek (Gulch)	Inactive	Au
Casadepaga River	Inactive	Au
Spruce Creek	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
CEX429	stream/river	stream
CEX430	stream/river	stream
CEX432	stream/river	stream
CFL174	stream/river	stream
CFL176	stream/river	stream
CFL270	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
CFB922	stream/river	stream
CFB923	stream/river	stream
CFB925	stream/river	stream
CFQ605	stream/river	stream
CFQ607	stream/river	stream
CHJ171	stream/river	Spruce Ck;; stream
CJL649	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.