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Unnamed limestone locations [5], Twin Peaks, Santa Cruz Mountains, Santa Clara Co., California, USAi
Regional Level Types
Unnamed limestone locations [5]- not defined -
Twin PeaksGroup of Peaks
Santa Cruz MountainsMountain Range
Santa Clara Co.County

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Latitude & Longitude (WGS84):
37° 3' 56'' North , 121° 40' 41'' West
Latitude & Longitude (decimal):
Nearest Settlements:
San Martin7,027 (2011)6.4km
Morgan Hill42,948 (2017)7.5km
Gilroy53,231 (2017)11.8km
Interlaken7,321 (2011)13.7km
Corralitos2,326 (2011)14.3km

Several limestone deposit/claims in this area in sec. 16, T10S, R3E, MDM, 1.9 km (1.2 miles) SE of Twin Peaks (summits) (coordinates of record) and 6.5 km (4.0 miles) WSW of San Martin (town). MRDS note: T&R section number undeterminable (sic). MRDS database stated accuracy for this location is 1,000 meters.

Local rocks include Quaternary alluvium and marine deposits.

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Rock Types Recorded

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Alphabetical List Tree Diagram

List of minerals for each chemical element


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bailey, Edgar H. and Harden, D.R. (1975) USGS Mineral Resource map I-909.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10189711.
U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060850229.

Other Databases

USGS MRDS Record:10189711

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

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