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:
Sipalay, Negros Island, Negros Occidental Province, Negros Island Region, Visayas, Philippines

Oldest recorded age at locality: 30
Youngest recorded age at locality: 30

mindat Locality ID: 276991
mindat URL: http://www.mindat.org/loc-276991.html

Tectonic Settings:

Total number of sublocalities beneath "Sipalay, Negros Island, Negros Occidental Province, Negros Island Region, Visayas, Philippines": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Sipalay Mine

Latitude: 9°48'59"N
Longitude: 122°27'0"E
Decimal Degree (lat, lon): 9.8163888888889,122.45

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 C Ca Cu Fe H K Mo O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneCalciteChalcopyriteClayClinozoisiteCovelliteEpidoteKaoliniteMalachiteMica
MolybdeniteNoneNot in a structural groupPyriteSpinel

15 IMA Minerals at location:
Azurite  (*)Bornite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)
Chrysocolla  (*)Covellite  (*)Cuprite  (*)Epidote  (*)Kaolinite  (*)
Magnetite  (*)Malachite  (*)Molybdenite  (*)Muscovite  (*)Pyrite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)230301967095509
Bornite  (*)NoneCu5FeS430301967095516
Calcite  (*)CalciteCa(CO3)303019670927770
Chalcocite  (*)NoneCu2S30301967095707
Chalcopyrite  (*)ChalcopyriteCuFeS2303019670927198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O30301967093531
Covellite  (*)CovelliteCuS30301967094165
Cuprite  (*)Not in a structural groupCu2O30301967092970
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)30301967098173
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)430301967095591
Magnetite  (*)SpinelFe2+Fe3+2O4303019670914899
Malachite  (*)MalachiteCu2(CO3)(OH)2303019670912537
Molybdenite  (*)MolybdeniteMoS230301967095800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2303019670917380
Pyrite  (*)PyriteFeS2303019670939462



1 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
PorphCu-00387303030      Bornite, Calcite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Cuprite, Epidote, Kaolinite, Magnetite, Malachite, Molybdenite, PyriteCu69552Sipalay Mine, Sipalay, Negros Island, Negros Occidental Province, Negros Island Region, Visayas, PhilippinesSipalaySinger et al. (2008) USGSOFR2008_1155 


SampleSource LocalityReference URL


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