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La Negra mine (Miramonte Mine), San Agustín, Ñuflo de Chavez Province, Santa Cruz, Boliviai
Regional Level Types
La Negra mine (Miramonte Mine)Mine
San Agustín- not defined -
Ñuflo de Chavez ProvinceProvince
Santa CruzDepartment
BoliviaCountry

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Latitude & Longitude:
15° South , 62° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~235km
GRN:
S11W43
Type:
Mine
Mindat Locality ID:
19596
Long-form identifier:
mindat:1:2:19596:7
GUID (UUID V4):
0


Pegmatites, completely decomposed by tropical weathering. Worked underground before WW2 for mica. Now worked elluvially for tantalum ore by bulldozing away the topsoil over several hectares of low hills.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Columbite-(Fe)
Formula: Fe2+Nb2O6
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Quartz
Formula: SiO2
ⓘ 'Uranmicrolite (of Hogarth 1977)'
Formula: (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘQuartz4.DA.05SiO2
ⓘColumbite-(Fe)4.DB.35Fe2+Nb2O6
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Uranmicrolite (of Hogarth 1977)'-(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ Columbite-(Fe)Fe2+Nb2O6
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ Columbite-(Fe)Fe2+Nb2O6
NbNiobium
Nbⓘ Columbite-(Fe)Fe2+Nb2O6
Nbⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
TaTantalum
Taⓘ Microlite GroupA2-mTa2X6-wZ-n
Taⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
UUranium
Uⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

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