Rock Hill deposit, Obsidian Butte, Niland, Imperial County, California, USAi
| Regional Level Types | |
|---|---|
| Rock Hill deposit | Deposit |
| Obsidian Butte | Table/Butte |
| Niland | Town |
| Imperial County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
33° 10' 35'' North , 115° 37' 14'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Calipatria | 7,424 (2017) | 11.4km |
| Niland | 1,006 (2011) | 11.8km |
| Westmorland | 2,267 (2017) | 15.5km |
| Bombay Beach | 295 (2011) | 21.9km |
| Brawley | 25,897 (2017) | 23.5km |
A pumice occurrence located in the center of sec. 28, T11S, R13E, SBM, on the Salton Sea 1.6 km (1.0 mile) ENE of Obsidian Butte (coordinates of record), along the SE shore of the Salton Sea (7 miles SW of Niland). MRDS database stated accuracy for this location is 100 meters. Used as lightweight aggregate.
The deposit is on a small volcanic dome of pumice and scoria. Local rocks include recent (Holocene) volcanic flow units, unit 5 (Salton Sea) and/or Quaternary alluvium and marine deposits.
Workings include surface openings comprised of a bench cut 150 feet long, 30 feet high and 100 feet wide.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramList of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10064349 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Franciscan DomainDomain
- Gulf of California CoastWide Rift
- Southern California Borderland BasinsBasin
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