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Flint group, Picacho Peak, San Benito County, California, USAi
Regional Level Types
Flint groupGroup of Mines
Picacho PeakPeak
San Benito CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
36° 21' 23'' North , 120° 41' 36'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Nearest Settlements:
PlacePopulationDistance
Three Rocks246 (2011)31.5km
Cantua Creek466 (2011)37.4km
Coalinga16,564 (2017)38.4km
San Lucas269 (2015)38.7km
San Ardo517 (2015)41.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Coalinga Rockhound SocietyCoalinga, California38km
Mindat Locality ID:
87793
Long-form identifier:
mindat:1:2:87793:7
GUID (UUID V4):
2fc61ce8-a52d-475d-96c9-2c7b6fa34c43
Other/historical names associated with this locality:
Boston; Fourth of July Mine; Monterey; Andy Johnson claim; Red Rock; Clear Creek


A former Hg occurrence/group of claims/mine located in the SE¼ sec. 18, T18S, R12E, MDM, 1.3 km (0.8 miles) NNW of Sampson Peak (coordinates of record), on private (patented) land. Produced during the periods 1917 to 1918 and 1933 to 1942. MRDS database stated accuracy for this location is 100 meters.

Mineralization is hosted in rocks of the Panoche Upper Cretaceous sandstone and shale. Local alteration included silica carbonate alteration of serpentine. Controls for ore emplacement included local shearing. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains).

Workings include unspecified underground openings.

Production data are found in: U.S. Bureau of Mines file data.

Production statistics: Year: 1960 (period = through 1960); Hg (estimated) ^5-20 pounds/ton (5,647 grams/metric ton).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

4 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Metacinnabar2.CB.05aHgS
Cinnabar2.CD.15aHgS
Pyrite2.EB.05aFeS2
Group 10 - Organic Compounds
Carpathite10.BA.30C24H12
Unclassified
'Limonite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H CarpathiteC24H12
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C CarpathiteC24H12
OOxygen
O Serpentine SubgroupD3[Si2O5](OH)4
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S CinnabarHgS
S MetacinnabarHgS
S PyriteFeS2
FeIron
Fe PyriteFeS2
HgMercury
Hg CinnabarHgS
Hg MetacinnabarHgS

Other Databases

Link to USGS MRDS:10040913

Localities in this Region

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.

References

 
Mineral and/or Locality  
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