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:
Macusani Glass, Macusani, Carabaya Province, Puno, Peru

Oldest recorded age at locality: 7
Youngest recorded age at locality: 4.7

mindat Locality ID: 274554
mindat URL: http://www.mindat.org/loc-274554.html

Tectonic Settings:

Total number of sublocalities beneath "Macusani Glass, Macusani, Carabaya Province, Puno, Peru": 0
Total number of bottom-level sublocalities: 0

Latitude: 14°'"S
Longitude: 70°30'"W
Decimal Degree (lat, lon): -14,-70.5

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 Li O Si Zn 

Elements from minerals reported directly at this locality: Al Li O Si Zn 

Structural Groups for minerals in this locality: 
NoneQuartzSpinel

2 IMA Minerals at location:
Gahnite  (*)Virgilite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Gahnite  (*)SpinelZnAl2O474.70445
Virgilite  (*)QuartzLiAlSi2O67701



4 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Alexandra-01075.235.015.12 ± 0.11fission-track methodAge of rock MB1    274554Macusani Glass, Macusani, Carabaya Province, Puno, PeruMacusani glassIunes et al. (2003)10.1016/S1350-4487(03)00161-6RM36_407 
Alexandra-01085.214.995.10 ± 0.11fission-track methodAge of rock MB2    274554Macusani Glass, Macusani, Carabaya Province, Puno, PeruMacusani glassIunes et al. (2003)10.1016/S1350-4487(03)00161-6RM36_407 
Alexandra-01094.74.74.7 Age of rock      274554Macusani Glass, Macusani, Carabaya Province, Puno, PeruMacusani glassIunes et al. (2003)10.1016/S1350-4487(03)00161-6RM36_407 
Grew_Li_2019_0112777      Virgilite 274554Macusani Glass, Macusani, Carabaya Province, Puno, PeruMacusani glass (not in situ), Macusani, Carabaya Province, Puno department, PeruCheilletz et al. (1992)10.1016/0040-1951(92)90433-7T205_305 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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