Scientific data near [65.44963,-150.03640]

Search area extends approximately 2.2 km east-west and 5.4 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Yukon-Koyukuk	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Tanana B-1	1:63,360 Alaska quadrangle
Tanana	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Ramparts	hydrologic unit
190404	hydrologic accounting unit
Southwest 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

Database Home

Map symbol	Lithology	Unit name
JDoc	Sedimentary	Igneous rocks
TrDtz	Sedimentary	Sedimentary rocks
TrDtz	Sedimentary	Sedimentary 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.

Database Home

ID	Data type	Description
Northeast Alaska '72	M-D	Northeast Alaska '72 27841 line km with spacing 1.90 km over parts of AK
Rampart-Manley	M-D	Rampart-Manley 4828 line km with spacing 0.40 km over parts of AK
Tanana	M/R-D	Tanana 1882 line km with spacing 9.60 km over parts of AK
Rampart-Manley extended	M/EM-D	Rampart-Manley extended 7510 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).

Database Home

Tract	Deposit Type	Mineralization age
AK-EC07	Low-sulfide Au-quartz veins
AK-EC13	Porphyry Cu, BC-Ak type
AK-EC14	Plutonic porphyry Au
AK-EC16	Polymetallic replacement
AK-EC19	Cu (Au) skarn
AK-EC18	Polymetallic vein
AK-EC20	Zn-Pb skarn
AK-EC09	Kipushi Cu-Pb-Zn
AK-EC11	Mississippi Valley Type
AK-EC15	Placer Au
AK-EC21	Sedex Zn-Pb
AK-EC01	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.

Database Home

Domain	Crust type	Region
Ruby	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.

Database Home

Lab ID	Sample medium	Description
CAA690	rock	sedimentary unspecified
CAA722	sediment

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"

Database Home

Sample ID	Rock type	Rock name
CAA690	sedimentary	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.

Database Home

Site name	Development	Commodities
Little Minook Jr. Cr. Placer	Past Producer	AU PB
Little Minook Creek Placer	Producer	AU AG CU CR PB W MN
Little Minook Creek	Occurrence	W BI CR CU AU PB HG AG
Little Minook Jr Creek	Prospect	AU PB

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.

Database Home

Site	Status	Commodities
Little Minook Creek	Inactive	Au
Little Minook Jr. Creek	Inactive	Au

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.

Database Home

Deposit name	Deposit type	Location
Little Minook Creek Placer	Producer	Alaska, United States
Little Minook Creek	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.

Database Home

Sample ID	Sample source	Sample notes
CAA722	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.

Database Home

Sample ID	Sample source	Sample notes
BFG056	stream/river	stream
D150708	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.

Database Home

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.