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Los Guanacos ultramafic body, Santa Rosa District, Calamuchita Department, Córdoba Province, Argentinai
Regional Level Types
Los Guanacos ultramafic bodyOphiolite Complex
Santa Rosa DistrictDistrict
Calamuchita DepartmentDepartment
Córdoba ProvinceProvince
ArgentinaCountry

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Latitude & Longitude (WGS84):
32° 3' 39'' South , 64° 43' 19'' West
Latitude & Longitude (decimal):
-32.06107,-64.72211
GRN:
S22W39
Type:
Ophiolite Complex
Köppen climate type:
Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Mindat Locality ID:
474540
Long-form identifier:
mindat:1:2:474540:5
GUID (UUID V4):
0


The ultramafic body of Los Guanacos (1.5 km long and 0.6 km wide) is in tectonic contact with metapelitic rocks. The ultramafic rocks are predominantly depleted harzburgites accompanied by minor dunites and impregnated peridotites. The ultramafic rocks of the Los Guanacos body have been considered to form part of a metamorphosed Moho Transition Zone from an ophiolitic sequence. The old mine data indicate that the chromitite bodies rarely extended more than a few tens of meters in length, and were <5 m thick. Chromitite bodies are variable in size, have irregular to lenticular shapes in a dunite envelope and both rock types are hosted by harzburgites.

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

14 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ Brucite
Formula: Mg(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
ⓘ 'Chrome-Spinel (of Dana)'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Chromite var. Ferrian Chromite
Formula: Fe2+(Cr,Fe3+)2O4
ⓘ 'Clinopyroxene Subgroup'
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Erlichmanite
Formula: OsS2
ⓘ Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
ⓘ Laurite
Formula: RuS2
ⓘ Lizardite
Formula: Mg3(Si2O5)(OH)4
ⓘ Native Platinum
Formula: Pt
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Spinel
Formula: MgAl2O4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Platinum1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
ⓘErlichmanite2.EB.05aOsS2
ⓘLaurite2.EB.05aRuS2
ⓘIrarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘChromite
var. Ferrian Chromite		4.BB.05Fe2+(Cr,Fe3+)2O4
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
ⓘLizardite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Chrome-Spinel (of Dana)'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Olivine Group'-M2SiO4

List of minerals for each chemical element

HHydrogen
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ BruciteMg(OH)2
Hⓘ LizarditeMg3(Si2O5)(OH)4
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ BruciteMg(OH)2
Oⓘ CalciteCaCO3
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ DolomiteCaMg(CO3)2
Oⓘ LizarditeMg3(Si2O5)(OH)4
Oⓘ SpinelMgAl2O4
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ Chromite var. Ferrian ChromiteFe2+(Cr,Fe3+)2O4
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Olivine GroupM2SiO4
MgMagnesium
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ BruciteMg(OH)2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ LizarditeMg3(Si2O5)(OH)4
Mgⓘ SpinelMgAl2O4
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ LizarditeMg3(Si2O5)(OH)4
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Olivine GroupM2SiO4
SSulfur
Sⓘ ErlichmaniteOsS2
Sⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Sⓘ LauriteRuS2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ Chromite var. Ferrian ChromiteFe2+(Cr,Fe3+)2O4
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ Chromite var. Ferrian ChromiteFe2+(Cr,Fe3+)2O4
AsArsenic
Asⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
RuRuthenium
Ruⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ruⓘ LauriteRuS2
RhRhodium
Rhⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
OsOsmium
Osⓘ ErlichmaniteOsS2
IrIridium
Irⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
PtPlatinum
Ptⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ptⓘ Native PlatinumPt

Localities in this Region

Argentina
  • Córdoba Province
    • Calamuchita Department
      • Santa Rosa District
        • Los Guanacos ultramafic body

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

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.

References

[1]Proenza, J.A.; Zaccarini, F.; Escayola, M.; Cábana, C.; Schalamuk, A.; Garuti, G. (2008) Composition and textures of chromite and platinum-group minerals in chromitites of the western ophiolitic belt from Pampean Ranges of Córdoba, Argentina. Ore Geology Reviews, 33 (1). doi:10.1016/j.oregeorev.2006.05.009
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