Scientific data near [61.68944,-153.05722]

Search area extends approximately 2.2 km east-west and 4.7 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Bethel	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Lime Hills C-1	1:63,360 Alaska quadrangle
Lime Hills	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Farewell Lake	hydrologic unit
190304	hydrologic accounting unit
Yukon	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
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided
TKg	Igneous - Plutonic	Felsic granitic rocks
TKhi	Igneous - Plutonic	Dikes and subvolcanic 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
Cook Inlet (Tyonek)	M-D	Cook Inlet (Tyonek) 9258 line km with spacing 9.60 km over parts of AK
Lime Hills-Lake Clark	M-D	Lime Hills-Lake Clark 4465 line km with spacing 9.60 km over parts of AK
Lime Hills	M/R-D	Lime Hills 2220 line km with spacing 9.60 km over parts of AK
Styx	M/EM-D	Styx 5539 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-SW17	Cu (Au) skarn
AK-SW18	Zn-Pb skarn
AK-SW12	Porphyry Cu, BC-Ak type
AK-SW16	Polymetallic vein

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
Farewell buried	Back-arc basin	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
AKA380	sediment
AKA381	sediment
AKA382	sediment
AKA383	sediment
AKA384	sediment
AKA385	sediment
AKA750	sediment
AKA751	sediment
AKA768	sediment
AKA769	sediment
D284412	concentrate	panned C3 fraction
D285344	sediment

National geochemical survey database

National-scale geochemical analysis of stream sediments and soils in the US, from existing data, reanalysis of existing samples, and new sampling. Goal for sample density is one per 289 square km.

Database Home

Sample ID	Material	Source
C-179537	Sediment	Stream, Wet

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.

Database Home

Sample ID	Date collected	Sample type
7004308	1977-08-28	Wet stream sediment sample dried at less than or equal to 100øC and sieved to -100 mesh through stainless steel sieves.
7004309	1977-08-28	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.

Database Home

Sample ID	Date collected	Sample type
3004684	1977-08-28	Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.
3004685	1977-08-28	Stream water sample acidified to a pH of less than or equal to 1 with reagent-grade nitric acid.

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
Unnamed (near Styx River)	Occurrence	AG CU SN

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
Unnamed (near Styx River)	Inactive	Ag;Cu;Sn

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
AKA380	stream/river	stream
AKA381	stream/river	stream
AKA382	stream/river	stream
AKA383	stream/river	stream
AKA384	stream/river	stream
AKA385	stream/river	stream
AKA750	stream/river	stream
AKA751	stream/river	stream
AKA768	stream/river	stream
AKA769	stream/river	stream
C179537	surface
D285344	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
D284412	stream/river	conc;; 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
Western Alaska Range	porphyry copper	Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary
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.