Centennial Mine [1], Yermo (Marian; Marion; Otis), Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USAi
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Latitude & Longitude (WGS84):
34° 55' 59'' North , 116° 49' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Barstow | 23,692 (2017) | 19.2km |
Barstow Heights | 24,202 (2006) | 22.9km |
Lenwood | 3,543 (2011) | 26.9km |
Fort Irwin | 8,845 (2011) | 38.5km |
Lucerne Valley | 5,811 (2011) | 56.1km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
Club | Location | Distance |
---|---|---|
Mojave Desert Gem & Mineral Society | Barstow, California | 19km |
Mindat Locality ID:
88284
Long-form identifier:
mindat:1:2:88284:1
GUID (UUID V4):
fd081bd5-66b5-43d2-a22a-3da7fc383bc4
A former B(borate) occurrence/mine located in sec. 30, T10N, R2E, SBM, 3.2 km (2.0 miles) N of Yermo. Owned by the Pacific Coast Borax Company. MRDS database stated accuracy for this location is 100 meters.
Mineralization is hosted in rocks of the Barstow Formation (lacustrine sediments, shale & limestone). Associated rocks include Miocene volcanic breccia (agglomerate). Local rocks include Tertiary volcanic flow rocks, unit 16 (Northern Mojave Desert).
Workings include unspecified surface and underground openings.
Production data are found in: Piper, J.R. (1985).
This mine produced between 544 and 635 metric tons of colemanite.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
ⓘ Calcite Formula: CaCO3 |
ⓘ Colemanite Formula: Ca[B3O4(OH)3] · H2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 5 - Nitrates and Carbonates | |||
---|---|---|---|
ⓘ | Calcite | 5.AB.05 | CaCO3 |
Group 6 - Borates | |||
ⓘ | Colemanite | 6.CB.10 | Ca[B3O4(OH)3] · H2O |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Colemanite | Ca[B3O4(OH)3] · H2O |
B | Boron | |
B | ⓘ Colemanite | Ca[B3O4(OH)3] · H2O |
C | Carbon | |
C | ⓘ Calcite | CaCO3 |
O | Oxygen | |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Colemanite | Ca[B3O4(OH)3] · H2O |
Ca | Calcium | |
Ca | ⓘ Calcite | CaCO3 |
Ca | ⓘ Colemanite | Ca[B3O4(OH)3] · H2O |
Other Databases
Link to USGS MRDS: | 10023828 |
---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060710537