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Irish Hill Mining District, Amador Co., California, USAi
Regional Level Types
Irish Hill Mining DistrictMining District
Amador Co.County
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° 23' 59'' North , 120° 58' 1'' West
Latitude & Longitude (decimal):
Locality type:


Location: The Irish Hill district is in northwestern Amador County about five miles north of lone. It includes the Muletown and the Forest Home areas.

Geology: Several extensive patches of Eocene quartz-rich channel gravels and younger gravels exist. They were first mined by ground sluicing and hydraulicking and later by dragline dredging. Bedrock consists of slate, phyllite, greenstone, and amphibolite. There are also several copper mines here.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

3 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ 'Clays'
Localities: Reported from at least 17 localities in this region.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10235704.
β“˜ Gold
Formula: Au
Localities: Reported from at least 11 localities in this region.
Description: Placer material.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028017.
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10187126.
β“˜ 'Silica'
Description: Occurs as Ione sand.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028052.
β“˜ Stibnite
Formula: Sb2S3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
β“˜Stibnite2.DB.05Sb2S3
Group 9 - Silicates
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified Minerals, Rocks, etc.
β“˜'Clays'-
β“˜'Silica'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
OOxygen
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
AlAluminium
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
SSulfur
Sβ“˜ StibniteSb2S3
SbAntimony
Sbβ“˜ StibniteSb2S3
AuGold
Auβ“˜ GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Turner, Henry Ward (1894a), Description of the gold belt; description of the Jackson sheet: USGS, Geologic Atlas Jackson folio (Folio No. 11), 6pp. (reprinted 1914).
Piper, A. M., Gale, H. S., Thomas, H. E., and Robinson, T. W. (1939), Geology and ground-water hydrology of the Mokelumne area: USGS Water Supply Paper 780: pl. I.

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