A. M. Kelley prospect, Morgan Hill, Santa Clara County, California, USAi
| Regional Level Types | |
|---|---|
| A. M. Kelley prospect | Prospect |
| Morgan Hill | Hill |
| Santa Clara County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 8' 12'' North , 121° 40' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Morgan Hill | 42,948 (2017) | 2.4km |
| San Martin | 7,027 (2011) | 8.5km |
| Gilroy | 53,231 (2017) | 17.6km |
| Day Valley | 3,409 (2011) | 19.6km |
| Corralitos | 2,326 (2011) | 19.9km |
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 |
|---|---|---|
| Santa Clara Valley Gem & Mineral Society | San Jose, California | 29km |
| Santa Cruz Mineral and Gem Society | Santa Cruz, California | 36km |
| Peninsula Gem & Geology Society, Inc. | Los Altos, California | 47km |
Mindat Locality ID:
92196
Long-form identifier:
mindat:1:2:92196:4
GUID (UUID V4):
3760e3f2-a7d7-40e2-b26e-2a73c6fd0a12
A Mn occurrence located in sec. 19, T9S, R3E, MDM, 2.4 km (1.5 miles; 7,900 feet) WNW of Morgan Hill center, on private land. Discovered in 1917. Owned by A.M. Kelley, California (1974). MRDS database stated accuracy for this location is . Located 2 miles SW of Madrone on a low ridge at the head of a small flat-floored valley, tributary to the Santa Clara Valley, and 1,000 feet SW of the Morgan Hill prospect.
Country rock is radiolarian cherts with considerable intrusive greenstone and serpentine. The cherts, mostly thin-bedded, are stained by manganese oxide in places. A massive chert body of variegated colors is cut by many fissures filled with manganese oxide. The oxide also occurs as stains, impregnations and small pockets in massive chert. Local rocks include Mesozoic volcanic rocks, unit 1 (Coast Ranges) and/or ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
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 DiagramDetailed Mineral List:
| ⓘ 'Manganese Oxides' |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
| ⓘ | 'Manganese Oxides' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | Oxygen | |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | Silicon | |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
Other Databases
| Link to USGS MRDS: | 10077460 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Franciscan DomainDomain
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References
