Clark Sand pit, Carbondale, Irish Hill Mining District, Amador County, California, USAi
| Regional Level Types | |
|---|---|
| Clark Sand pit | Pit |
| Carbondale | - not defined - |
| Irish Hill Mining District | Mining District |
| Amador County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 25' 54'' North , 121° 0' 5'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ione | 7,000 (2017) | 10.6km |
| Rancho Murieta | 5,488 (2011) | 11.3km |
| Drytown | 167 (2011) | 12.8km |
| Plymouth | 960 (2017) | 14.7km |
| Amador City | 189 (2017) | 15.5km |
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 |
|---|---|---|
| Amador County Gem & Mineral Society | Sutter Creek, California | 18km |
| El Dorado County Mineral and Gem Society | Placerville, California | 38km |
| Gold Country Treasure Seekers | Placerville, California | 38km |
| Fossils for Fun Society, Inc. | North Highlands, California | 43km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 43km |
A clay/silica sand occurrence located in secs. 28 & 29, T7N, R9E, MDM, 2.6 km (1.6 miles) NNE of Carbondale. Operated by the Pacific Clay Products Co. The pit was active as early as 1906 and continues to produce intermittently. MRDS database stated accuracy for this location is 100 meters.
The Usable material is from 25 to 40 feet thick and is overlain by soil and iron-stained sand up to 4 feet thick. The Ione sand in this pit contains a higher proportion of sand to clay than is usual in Amador County. Local rocks include Eocene nonmarine rocks, unit 1 (Northern and Central California).
Workings include surface openings. First worked from room and pillar stopes but more recent operations were all from stripping and open pit operations. In the early 1920's, a pilot plant was constructed for the separation of china clay and silica sand. The Ione sand from this pit is used largely for setting sand with small amounts going into terra cotta and white bricks.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Clay minerals' Description: China clay. Mixed with Ione sand. |
| ⓘ 'Silica' Description: Occurs as Ione sand. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Clay minerals' | - | |
| ⓘ | 'Silica' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10028052 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- California Central ValleyAccretionary Complex
- Foothills-Wallowa DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060050492
