Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Minasmayu Valley, Chocolatal (Rocko Rancho), Cristalmayu Subdistrict, Alto Chapare Mining District, Chapare Province, Cochabamba, Bolivia


mindat Locality ID: 215986
mindat URL: http://www.mindat.org/loc-215986.html

Tectonic Settings:

Total number of sublocalities beneath "Minasmayu Valley, Chocolatal (Rocko Rancho), Cristalmayu Subdistrict, Alto Chapare Mining District, Chapare Province, Cochabamba, Bolivia": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Carolina Mine
Corpus Cristi Mine
Dolomite Quarry
Tres Amigos Mine (Quebrada Asbestera)

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B C Ca Cl Fe H K Mg Na O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleAragoniteBoraciteCalciteClayCorundumDanburiteGypsumMicaNone
Not in a structural groupPyriteQuartzStilpnomelane

16 IMA Minerals at location:
Anhydrite  (*)Aragonite  (*)Boracite  (*)Calcite  (*)Danburite  (*)
Dolomite  (*)Gypsum  (*)Hematite  (*)Magnesio-riebeckite  (*)Magnesite  (*)
Muscovite  (*)Polyhalite  (*)Pyrite  (*)Quartz  (*)Stilpnomelane  (*)
Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anhydrite  (*)Not in a structural groupCa(SO4)1258141588
Aragonite  (*)AragoniteCa(CO3)1258133250
Boracite  (*)BoraciteMg3B7O13Cl12581457
Calcite  (*)CalciteCa(CO3)12581427770
Danburite  (*)DanburiteCaB2Si2O8225812,25814148
Dolomite  (*)NoneCaMg(CO3)2325811,25813,258149895
Gypsum  (*)GypsumCa(SO4)·2H2O1258146890
Hematite  (*)CorundumFe2O3225811,2581414640
Magnesio-riebeckite  (*)Amphibole   Na2(Mg3Fe3+2)Si8O22(OH)2325811,25812,2581493
Magnesite  (*)CalciteMg(CO3)1258141487
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)212581417380
Polyhalite  (*)NoneK2Ca2Mg(SO4)4·2H2O125814102
Pyrite  (*)PyriteFeS212581439462
Quartz  (*)QuartzSiO2225811,2581461156
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O125811456
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21258112562



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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