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South Mountain Mine (Texas; Golconda; Sonneman; Exploration Company of California; Laxey), South Mountain District, Owyhee Co., Idaho, USA

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Latitude & Longitude (WGS84): 42° 44' 33'' North , 116° 55' 23'' West
Latitude & Longitude (decimal): 42.74250,-116.92306
GeoHash:G#: 9rsg5m51p
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


REF:Deposit:: SORENSON, R. E., 1927 , THE GEOLOGY AND ORE DEPOSITS OF THE SOUTH MOUNTAIN MINING DISTRICT, OWYHEE COUNTY, IDAHO: IDAHO BUR. MINES AND GEOLOGY PAMPH. 22 , 47 P.
Deposit:: LINDGREN W., 1898, THE GOLD AND SILVER VEINS OF SILVER CITY, DELAMAR, A
Commodities (Major) - Gold, Lead, Silver; (Minor) - Zinc, Copper
Development Status: Past Producer
Host Rock Unit: Al Limestone, Limestone, Sand And Gravel
Host Rock: Limestone, Schist

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Calamine'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcopyrite
Formula: CuFeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Copper'
Formula: Cu
Reference: From USGS MRDS database
Galena
Formula: PbS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Gold'
Formula: Au
Reference: From USGS MRDS database
Ilvaite
Formula: CaFe3+Fe2+2(Si2O7)O(OH)
Reference: Christian Bracke Collection
'commodity:Lead'
Formula: Pb
Reference: From USGS MRDS database
'Limestone'
Reference: From USGS MRDS database
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Linarite
Formula: PbCu(SO4)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrrhotite
Formula: Fe7S8
Reference: Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
Quartz
Formula: SiO2
Reference: Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
'Schist'
Reference: From USGS MRDS database
Smithsonite
Formula: ZnCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sphalerite
Formula: ZnS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Zinc'
Formula: Zn
Reference: From USGS MRDS database

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
'Malachite'5.BA.10Cu2(CO3)(OH)2
'Smithsonite'5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Linarite'7.BC.65PbCu(SO4)(OH)2
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Ilvaite'9.BE.07CaFe3+Fe2+2(Si2O7)O(OH)
Unclassified Minerals, Rocks, etc.
'Calamine'-
'Limestone'-
'Limonite'-(Fe,O,OH,H2O)
'Schist'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Smithsonite14.1.1.6ZnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Linarite30.2.3.1PbCu(SO4)(OH)2
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Ilvaite56.2.3.3CaFe3+Fe2+2(Si2O7)O(OH)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Calamine'-
'Limestone'-
'Limonite'-(Fe,O,OH,H2O)
'Schist'-

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
H Limonite(Fe,O,OH,H2O)
H LinaritePbCu(SO4)(OH)2
H MalachiteCu2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
C SmithsoniteZnCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O CalciteCaCO3
O IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
O Limonite(Fe,O,OH,H2O)
O LinaritePbCu(SO4)(OH)2
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
O SmithsoniteZnCO3
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Si QuartzSiO2
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S LinaritePbCu(SO4)(OH)2
S PyrrhotiteFe7S8
S SphaleriteZnS
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca CalciteCaCO3
Ca IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ChalcopyriteCuFeS2
Fe IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Fe Limonite(Fe,O,OH,H2O)
Fe PyrrhotiteFe7S8
CuCopper
Cu ChalcopyriteCuFeS2
Cu LinaritePbCu(SO4)(OH)2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SmithsoniteZnCO3
Zn SphaleriteZnS
PbLead
Pb GalenaPbS
Pb LinaritePbCu(SO4)(OH)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neogene
2.588 - 23.03 Ma



ID: 3186305
Cenozoic volcanic rocks

Age: Neogene (2.588 - 23.03 Ma)

Stratigraphic Name: Columbia River Basalt

Comments: Columbia Plateau

Lithology: Flood basalt(s); mafic volcanic rocks; basalt

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Paleozoic - Mesoproterozoic
251.902 - 1600 Ma



ID: 2985642
Metasedimentary rocks

Age: Mesoproterozoic to Triassic (251.902 - 1600 Ma)

Stratigraphic Name: Deer Trail Group; Hayden Creek diamictite beds; Swauger Formation

Description: Quartzite, feldspathic quartzite, calc-silicate gneiss, biotite gneiss, schist, and amphibolite north and east of McCall and as pendants in the southern part of the Idaho batholith; schist, quartzite, and marble in southwestern Idaho; argillite, siltite, quartzite, carbonate bearing quartzite, dolomite, phyllite, and conglomerate of the Deer Trail Group in northwest corner of state; and quartzite, Hayden Creek diamictite, and siltite stratigraphically above(?) the Swauger Formation south of Salmon. (Metasedimentary Rocks of Uncertain Age (Neoproterozoic to Paleoproterozoic)).

Comments: Original map source: Lewis, Reed S., Link, Paul K., Stanford, Loudon R., and Long, Sean P., Geologic Map of Idaho, 2012, Idaho Geological Survey, Geologic Map 9 (M-9); Scale 1:750,000.

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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