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San Miguel mine, Nacimiento Mountains District, Sandoval Co., New Mexico, USAi
Regional Level Types
San Miguel mineMine
Nacimiento Mountains DistrictMining District
Sandoval Co.County
New MexicoState
USACountry

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Key
Latitude & Longitude (WGS84):
35° 51' 57'' North , 106° 53' 16'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Cuba736 (2017)18.5km
Jemez Springs253 (2017)20.5km
La Cueva168 (2017)21.6km
La Jara207 (2011)25.9km
Cañon327 (2011)27.0km


Mined primarily "fossil" wood replacements of chalcocite (logs up to 2 1/2 feet in diameter by 60 feet in length). Had a small amount of silver (2 1/2 - 3 ounces / ton)
Structure: Nacimiento Fault Nacimiento Fault And Two Minor Faults

Tectonics: Nacimiento Uplift

Deposit: Two west-trending faults about 800 ft apart bound most of the mineralized area. The mineralization occurs mainly As chalcocite in fossilized wood and trees or As concretionary nodules.

Geology: The deposit occurs in the agua zarca sandstone member of the chinle formation.

Rock formation(s): Chinle


Ore(s): Carbonized Wood Fragments And Paleochannels.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range
Colorado Plateau, USAPlateau

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


6 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:

Chalcocite
Formula: Cu2S
Reference: USGS Prof Paper 68 The Ore Deposits of New Mexico; Bull 167 University of New Mexico, December, 1929 Vol. IV. No. 2; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: USGS Prof Paper 68 The Ore Deposits of New Mexico
Malachite
Formula: Cu2(CO3)(OH)2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Molybdenite
Formula: MoS2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Silver
Formula: Ag
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sphalerite ?
Formula: ZnS
Reference: Minerals of New Mexico 3rd ed.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Molybdenite2.EA.30MoS2
Sphalerite ?2.CB.05aZnS
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Sphalerite ?2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O

List of minerals for each chemical element

HHydrogen
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H MalachiteCu2(CO3)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O MalachiteCu2(CO3)(OH)2
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SSulfur
S ChalcociteCu2S
S MolybdeniteMoS2
S SphaleriteZnS
CuCopper
Cu ChalcociteCu2S
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag SilverAg

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mclemore, V.T., (1983), Nmbmmr Ofr-183, Appendix 1
Woodward, L.A., W.H. Kaufman, and O.L. Schumacher, (1974), Sandstone Copper Dep. of the Nacimiento Region, Nmgs Guidebook, 25th Field Conference, P. 295-299.
Elston, W.E., (1967), Nmbmmr Bull 81, P. 25, 28.
Green, M.W., Et Al., (1982), Us Doe Report Pgj/f-024(82), Appendix A, B and C.
Soule, J.H., (1956), USBM, Ic 7740, P.42-45.
Schumacher, Otto L.; Geol. and Ore Dep. of the Sw Nacimiento Range, Sandoval Co. N. M., Unm Masters Thesis, (1972), P. 61-62.
Howard, Viet E.; Metalliferous Occurrences in N. M., State Planning Office, Santa Fe, N. M., (1967), P. 170.

USGS MRDS Record:10101378
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