Circle Group deposit, Jacumba Mining District, Jacumba Mountains, San Diego County, California, USAi
| Regional Level Types | |
|---|---|
| Circle Group deposit | Deposit |
| Jacumba Mining District | Mining District |
| Jacumba Mountains | Mountain Range |
| San Diego County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
32° 40' 44'' North , 116° 9' 24'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Jacumba Hot Springs | 561 (2014) | 7.5km |
| Ejido Jacumé | 290 (2013) | 10.3km |
| Boulevard | 315 (2011) | 11.1km |
| Ocotillo | 266 (2011) | 16.6km |
| Jardines del Rincón | 220 (2013) | 18.8km |
A former vermiculite mine located in the SW¼ sec. 16, and in the N½ sec. 21, T17S, R8E, SBM, NW of Jacumba.
Mineralization is a vermiculite deposit.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chrysotile Formula: Mg3(Si2O5)(OH)4 Reference: Weber, F.H., Jr. (1963a) Mines and mineral resources of San Diego County, California. California Division of Mines and Geology County Report 3, 309 pp.: 280, 282; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424. |
| ⓘ Vermiculite Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O Reference: Weber, F.H., Jr. (1963a) Mines and mineral resources of San Diego County, California. California Division of Mines and Geology County Report 3, 309 pp.: 280, 282; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Chrysotile | 9.ED.15 | Mg3(Si2O5)(OH)4 |
| ⓘ | Vermiculite | 9.EC.50 | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| H | ⓘ Chrysotile | Mg3(Si2O5)(OH)4 |
| O | Oxygen | |
| O | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| O | ⓘ Chrysotile | Mg3(Si2O5)(OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Mg | ⓘ Chrysotile | Mg3(Si2O5)(OH)4 |
| Al | Aluminium | |
| Al | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Si | Silicon | |
| Si | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Si | ⓘ Chrysotile | Mg3(Si2O5)(OH)4 |
| Fe | Iron | |
| Fe | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Weber, F.H., Jr. (1963a) Mines and mineral resources of San Diego County, California. California Division of Mines and Geology County Report 3, 309 pp.: 280, 282.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424.
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