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East Coleman Mine, Furnace Creek, Inyo County, California, USAi
Regional Level Types
East Coleman MineMine
Furnace CreekCreek
Inyo CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
36° 28' 17'' North , 116° 50' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Beatty1,010 (2011)49.2km
Mindat Locality ID:
78752
Long-form identifier:
mindat:1:2:78752:8
GUID (UUID V4):
6fda4ed2-4c7d-4da4-b58f-d72b5709e350


A borate occurrence located in the NW¼NW¼ sec. 14, T27N, R1E, SBM, 2.8 km (1.7 miles) ENE of Furnace Creek (populated place), at the mouth of Furnace Creek Wash in Death Valley, on National Park Service land (Death Valley National Park). Owned by the U.S. Borax and Chemical Co. (1976). MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is a Miocene lacustrine borate deposit (Deposit model information: Model code 260; USGS model code: 35b.3; Deposit model name: Lacustrine borates), hosted in the Miocene Furnace Creek Formation (tuff, clay, mud, mudstone, sandstone) and in unconsolidated Miocene sand & gravel. The ore body is 609.6 meters long. The borate-bearing zone trends NNW for 2,000 feet and occurs between 2 faults that also trend NNW. Local rocks include Quaternary alluvium and marine deposits and/or Plio-Pleistocene and Pliocene loosely consolidated deposits.

Local structures include 2 faults.

Workings include unspecified surface and underground openings.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Gallery:

Ca[B3O4(OH)3] · H2O Colemanite
Ca2B14O20(OH)6 · 5H2O Ginorite

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 6 - Borates
Sassolite6.AA.05H3BO3
Colemanite6.CB.10Ca[B3O4(OH)3] · H2O
Ginorite6.FC.15Ca2B14O20(OH)6 · 5H2O

List of minerals for each chemical element

HHydrogen
H ColemaniteCa[B3O4(OH)3] · H2O
H GinoriteCa2B14O20(OH)6 · 5H2O
H SassoliteH3BO3
BBoron
B ColemaniteCa[B3O4(OH)3] · H2O
B GinoriteCa2B14O20(OH)6 · 5H2O
B SassoliteH3BO3
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O ColemaniteCa[B3O4(OH)3] · H2O
O GinoriteCa2B14O20(OH)6 · 5H2O
O SassoliteH3BO3
CaCalcium
Ca CalciteCaCO3
Ca ColemaniteCa[B3O4(OH)3] · H2O
Ca GinoriteCa2B14O20(OH)6 · 5H2O

Other Databases

Link to USGS MRDS:10023436

Other Regions, Features and Areas containing this locality


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

 
矿物 and/or 产地  
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