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Big Chief Mine, Percha Creek, Hillsboro, Hillsboro Mining District, Sierra County, New Mexico, USAi
Regional Level Types
Big Chief MineMine
Percha CreekCreek
Hillsboro- not defined -
Hillsboro Mining DistrictMining District
Sierra CountyCounty
New MexicoState
USACountry

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Latitude & Longitude (WGS84):
32° 55' 1'' North , 107° 31' 31'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Hillsboro124 (2011)3.9km
Oasis149 (2011)19.4km
Arrey232 (2011)20.7km
Caballo112 (2011)21.3km
Las Palomas173 (2011)26.6km
Mindat Locality ID:
47640
Long-form identifier:
mindat:1:2:47640:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
"Kentrolite locality"


Located on a promontory atop cliffs overlooking the Percha Creek, about 2.5 miles (ca. 4 km) east of Hillsboro and across the canyon of Percha Creek from the Macy Mine. Coordinates are approximate.

The mineralization is apparently a vertical, or nearly so, vein running along the top of the cliffs and striking roughly north-south.

Workings visible from the surface (January 2008) include a small exploratory shaft, about 1 meter square, of unknown depth. The southern end of the vein has been excavated with an open cut about 3 meters wide and up to 3 meters deep, with the deeper end toward the north. At the bottom of the north end of the cut, there is an undercut opening of about 1 to 2 meters in size. On the north (uphill) end of the vein, there is a trench about 100 feet (ca. 30 m) long, which was apparently excavated to expose the length of the deposit.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Kentrolite
Formula: Pb2Mn3+2(Si2O7)O2
'Limonite'
Opal
Formula: SiO2 · nH2O
Opal var. Opal-AN
Formula: SiO2 · nH2O
Quartz
Formula: SiO2
Vanadinite
Formula: Pb5(VO4)3Cl
'Wad'
Habit: Botryoidal, massive, films
Colour: Black
Fluorescence: None.
Wulfenite
Formula: Pb(MoO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Opal
var. Opal-AN
4.DA.10SiO2 · nH2O
4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Vanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
Kentrolite9.BE.80Pb2Mn3+2(Si2O7)O2
Unclassified
'Limonite'-
'Wad'-

List of minerals for each chemical element

HHydrogen
H Opal var. Opal-ANSiO2 · nH2O
H OpalSiO2 · nH2O
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O Opal var. Opal-ANSiO2 · nH2O
O KentrolitePb2Mn23+(Si2O7)O2
O OpalSiO2 · nH2O
O QuartzSiO2
O VanadinitePb5(VO4)3Cl
O WulfenitePb(MoO4)
SiSilicon
Si Opal var. Opal-ANSiO2 · nH2O
Si KentrolitePb2Mn23+(Si2O7)O2
Si OpalSiO2 · nH2O
Si QuartzSiO2
ClChlorine
Cl VanadinitePb5(VO4)3Cl
CaCalcium
Ca CalciteCaCO3
VVanadium
V VanadinitePb5(VO4)3Cl
MnManganese
Mn KentrolitePb2Mn23+(Si2O7)O2
MoMolybdenum
Mo WulfenitePb(MoO4)
PbLead
Pb KentrolitePb2Mn23+(Si2O7)O2
Pb VanadinitePb5(VO4)3Cl
Pb WulfenitePb(MoO4)

Other Regions, Features and Areas containing this locality


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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