Scientific data near [39.06000,-123.43000]

Search area extends approximately 2.2 km east-west and 2.9 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Mendocino	county
California	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Philo	quadrangle 1:24,000 scale
Ukiah	quadrangle 1:100,000 scale
Ukiah	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Big-Navarro-Garcia	hydrologic unit
Northern California Coastal	hydrologic accounting unit
Klamath-Northern California Coastal	hydrologic subregion
California	hydrologic region

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
Older Quaternary alluvium and marine deposits	CA	Pleistocene
Tertiary-Cretaceous Coastal Belt Rocks	CA	Late Cretaceous to Pliocene

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
Yorkville	M-D	Yorkville 5027 line km with spacing 0.80 km over parts of CA
Coastal California N.	M-Dz	Coastal California N. 4828 line km with spacing 1.60 km over parts of CA
Ukiah	M/R-D	Ukiah 2441 line km with spacing 9.60 km over parts of CA

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
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.

Database Home

Deposit name	Deposit type	Location
Anderson Valley	unclassified	California, 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
Western U.S. and Sonoran Desert Jurassic Arc	porphyry copper	U.S. and Mexican parts of a composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America