Scientific data near [48.95000,-121.66000]

Search area extends approximately 2.2 km east-west and 3.4 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Whatcom	county
Washington	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Mount Larrabee	quadrangle 1:24,000 scale
Mount Baker	quadrangle 1:100,000 scale
Concrete	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Nooksack	hydrologic unit
Puget Sound	hydrologic accounting unit
Puget Sound	hydrologic subregion
Pacific Northwest	hydrologic region
Areas administered by US Federal agencies
Mount Baker Wilderness	Wilderness
Wilderness FS	Type of land area
FS	Federal land areas administered by FS
Mount Baker National Forest	National Forest
National Forest FS	Type of land area
FS	Federal land areas administered by FS

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

Database Home

Unit	State	Lithology
Carboniferous-Permian sedimentary and volcanic rocks	WA	Devonian to Permian; some Jurassic
Pre-Upper Jurassic metamorphic rocks of the low-grade zone	WA	Jurassic

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
Puget Lowlands C (East)	M-D	Puget Lowlands C (East) 7290 line km with spacing 0.80 km over parts of WA
Concrete	M/R-D	Concrete 1799 line km with spacing 9.60 km over parts of WA

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
PC04	Porphyry Cu (BC-AK)	Mesozoic - Tertiary
PC36	Low-sulfide Au-quartz vein	Mesozoic

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
Franciscan	Accretionary wedge	Western Cordillera

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
Yellow Aster Prospect	Occurrence	NI AU AG FE CU
Alvic Prospect	Occurrence	CU
Gold Standard Prospect	Occurrence	AU
Alvic Prospect	Prospect	CU

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
Yellow Aster Prospect	Occurrence	Washington, United States
Yellow Aster Prospect	Occurrence	Washington, United States

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
Cascade Arc	porphyry copper	U.S. part of a continental margin arc that formed during subduction of the Pacific and Juan de Fuca plates beneath western North America
Intermontane Island-Arc	porphyry copper	Porphyry Cu systems associated with pre-accretionary Triassic and Jurassic calc-alkalic island arcs that formed offshore of western North America
Intermontane Island-Arc Cu-Au	porphyry copper	Triassic and Jurassic alkalic igneous rocks of accreted island arcs that formed offshore of western North America
Cordilleran Continental Arc	porphyry copper	Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Jurassic-Eocene)
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.