Scientific data near [48.43000,-122.13000]

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

Geographic context

Counties, states, countries, continents, or oceans
Skagit	county
Washington	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Sedro-woolley South	quadrangle 1:24,000 scale
Port Townsend	quadrangle 1:100,000 scale
Victoria	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Lower Skagit	hydrologic unit
Puget Sound	hydrologic accounting unit
Puget Sound	hydrologic subregion
Pacific Northwest	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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Unit	State	Lithology
Pre-Tertiary sedimentary and metasedimentary rocks, undivided	WA	Mostly Early Cretaceous to Middle Jurassic, possibly includes minor Eocene 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
Puget Lowlands A	M-D	Puget Lowlands A 63464 line km with spacing 0.40 km over parts of WA
East Puget Sound	M-D	East Puget Sound 3001 line km with spacing 3.20 km over parts of WA
Victoria	M/R-D	Victoria 1010 line km with spacing 9.60 km over parts of WA
Puget Sound 1997	M-D	Puget Sound 1997 69202 line km with spacing 0.40 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
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

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
Cultus Mountain	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.

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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
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.

Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pit

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Feature ID	Feature type	Feature name
Quarry	point