Scientific data near [51.96800,178.36800]

Search area extends approximately 2.2 km east-west and 3.6 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Aleutians West	Census area
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Rat Island C-5	1:63,360 Alaska quadrangle
Rat Island	1:250,000 Alaska quadrangle

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
Qv	Igneous - Volcanic	Youngest volcanic rocks
w		Water
w		Water

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A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.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 (on Davidof and Lopy Isl...	Inactive	Fe

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
Alaska Peninsula and Aleutian Islands	porphyry copper	Tertiary felsic to intermediate composition intrusions of the Alaska Peninsula and Aleutian Islands
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.