Scientific data near [63.03400,-147.64000]

Search area extends approximately 4.5 km east-west and 9.8 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Matanuska-Susitna	Borough
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Healy A-2	1:63,360 Alaska quadrangle
Healy	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Upper Susitna River	hydrologic unit
190205	hydrologic accounting unit
Northwest 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
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
Trms	Metamorphic	Metavolcanic and metasedimentary rocks
Trn	Igneous - Volcanic	Nikolai and Goon Dip Greenstones and equivalent rocks
Trn	Igneous - Volcanic	Nikolai and Goon Dip Greenstones and equivalent rocks

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
Talkeetna-Anchorage	M-Dz	Talkeetna-Anchorage 28968 line km with spacing 1.20 km over parts of AK
East Alaska Range	M-Dz	East Alaska Range 43452 line km with spacing 1.20 km over parts of AK
East Alaska Range	M-Dz	East Alaska Range 43452 line km with spacing 1.20 km over parts of AK
Healy	M/R-D	Healy 2116 line km with spacing 9.60 km over parts of AK
Wrangellia	M/EM-D	Wrangellia 10547 line km with spacing 0.40 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-SC05	Cu-Ag quartz veins
AK-SC03	Besshi massive sulfide
AK-SC21	Porphyry Cu, BC-Ak type
AK-SC28	Polymetallic vein
AK-SC31	Cu (Au) skarn
AK-SC25	Placer Au
AK-SC32	Cu (Au) skarn
AK-SC01	Basaltic Cu/Kennecott Cu
AK-SC18	Synorogenic-synvolcanic Ni-Cu
AK-SC09	Low-sulfide Au-quartz veins
AK-SC22	Porphyry Cu, BC-Ak type

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
Wrangellia	Oceanic arc	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
AGJ086	sediment
AGJ308	sediment
BDX107	sediment
BDX108	sediment
BDX109	sediment
BDX110	sediment
CEL309	sediment
CEL310	sediment
CEQ309	concentrate	panned C3 fraction
CEQ310	concentrate	panned C3 fraction
M143294	rock	igneous pyroxenite
M143295	rock	igneous gabbro

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
7009268	1977-07-15	Wet stream 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
3009904	1977-07-15	Stream 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
M143294	igneous	pyroxenite
M143295	igneous	gabbro

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
Butte Creek	Past Producer	CU AU FE
Unnamed (south of valley of lower Butte Creek))	Occurrence	CU
Nelson Discovery No. 2	Occurrence	AU
Unnamed (near VABM Way)	Occurrence	CU FE
Butte Creek Occurrences	Occurrence	FE CU
Unnamed (mountains south of lower Butte Creek)	Occurrence	CU
Unnamed (near VABM Way)	Occurrence	CU
Butte 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
Unnamed (mountains south of lowe...	Inactive	Cu
Unnamed (near VABM Way)	Inactive	Cu
Unnamed (near VABM Way)	Inactive	Cu;Fe
Unnamed (south of valley of lowe...	Inactive	Cu
Nelson Discovery No. 2	Probably inactive	Au;Pd

An index to PGE-Ni-Cr deposits and occurrences in selected mineral-occurrence databases (web-accessible database)

A compendium of references to previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences. These data show where to obtain more detailed information about each deposit or occurrence.

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Deposit name	Deposit type	Location
Nelson Discovery No. 2 Claim	Occurrence	Alaska, United States

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
AGJ086	stream/river	stream
AGJ308	stream/river	stream
BDX107	stream/river	mafic igneous rock at field station;; collected by ADGGS?;; stream
BDX108	stream/river	mafic igneous rock at field station;; collected by ADGGS?;; stream
BDX109	stream/river	mafic igneous rock at field station;; collected by ADGGS?;; stream
BDX110	stream/river	mafic igneous rock at field station;; collected by ADGGS?;; stream
CEL309	stream/river	stream
CEL310	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
CEQ309	stream/river	stream
CEQ310	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
Western Alaska Range	porphyry copper	Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary
Eastern Alaska Range and Wrangell Mountains	porphyry copper	Cretaceous (115-105Ma) deposits and prospects along the Nutzotin Basin-Wrangellia terrane boundary; south of the Denali Fault
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.