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N. M. Ball Sons Quarry, Walnut Creek, Contra Costa County, California, USAi
Regional Level Types
N. M. Ball Sons QuarryQuarry
Walnut CreekCreek
Contra Costa CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
37° 54' 11'' North , 122° 2' 3'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Walnut Creek68,910 (2017)2.7km
Waldon5,364 (2011)3.2km
North Gate679 (2017)3.2km
Contra Costa Centre5,364 (2017)3.4km
Acalanes Ridge1,137 (2017)3.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Contra Costa Mineral & Gem SocietyConcord, California8km
Northern California Geological SocietyOrinda, California13km
Antioch Lapidary ClubAntioch, California23km
Mineral & Gem Society of Castro ValleyHayward, California26km
Vallejo Gem & Mineral SocietyVallejo, California30km
Mindat Locality ID:
76645
Long-form identifier:
mindat:1:2:76645:5
GUID (UUID V4):
38f5dd4d-0c10-475d-b799-59d28270acf4


A stone deposit/quarry located in the center sec. 25, T1N, R2W, MDM, 2.6 km (1.6 miles; 8,600 feet) E of Walnut Creek center. Operated by F. A. Marshall, Danville. MRDS database stated accuracy for this location is 1,000 meters. Opened in MAy, 1947, but no rock had been mined or crushed here since late 1947.

Local rocks include Miocene marine rocks.

Workings include surface openings comprised of a quarry operation.

Production information: Some shipments had been made from a stockpile that still contained about 10,000 tons.

Commodity List

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


List of minerals for each chemical element

Other Databases

Link to USGS MRDS:10029577

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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