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:
Ishigaki Island, Okinawa, Japan


mindat Locality ID: 53284
mindat URL: http://www.mindat.org/loc-53284.html

Tectonic Settings:

Total number of sublocalities beneath "Ishigaki Island, Okinawa, Japan": 13
Total number of bottom-level sublocalities: 10

Number of Child Localities: 9
Child Localities:
Akaishi Copper Prospects (Akeishi Copper Prospects)
Hirakubo Peninsula
Ishisoko
Kabira
Kara-dake
Ohzato
Omoto Granite Formation
Tomino
Tsumuruzaki

Latitude: 24°24'29"N
Longitude: 124°14'49"E
Decimal Degree (lat, lon): 24.408055555556,124.24694444444
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 Cl Cr Cu Fe H K Mg Na O S Si Ti 

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Na O Si 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleAragoniteAtacamiteCalciteClayClinozoisiteCorundumDiasporeEpidote
FeldsparGypsumMicaNonePyritePyroxeneQuartzSpinelStilpnomelaneTitanite

23 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Albite  (*)Aragonite  (*)Atacamite  (*)
Calcite  (*)Chromite  (*)Chrysocolla  (*)Epidote  (*)Glaucophane  (*)
Goethite  (*)Graphite  (*)Gypsum  (*)Hematite  (*)Maghemite  (*)
Magnetite  (*)Microcline  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)
Riebeckite  (*)Stilpnomelane  (*)Titanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)203419
Aegirine  (*)PyroxeneNaFe3+Si2O61761861022
Albite  (*)FeldsparNa(AlSi3O8)376179,76189,761908803
Aragonite  (*)AragoniteCa(CO3)03250
Atacamite  (*)AtacamiteCu2Cl(OH)3176179544
Calcite  (*)CalciteCa(CO3)027770
Chromite  (*)SpinelFe2+Cr2O41761853902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O1761793531
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)2276190,76191286
Goethite  (*)DiasporeFeO(OH)1761857437
Graphite  (*)NoneC1761912812
Gypsum  (*)GypsumCa(SO4)·2H2O1761796890
Hematite  (*)CorundumFe2O3276181,7618614640
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O4176185229
Magnetite  (*)SpinelFe2+Fe3+2O4276186,7618914899
Microcline  (*)FeldsparK(AlSi3O8)1761894924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)217617917380
Pyrite  (*)PyriteFeS2476179,76181,76182,7619139462
Quartz  (*)QuartzSiO2676179,76185,76186,76189,76190,7619161156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2176186375
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O0456
Titanite  (*)TitaniteCaTi(SiO4)O1761904899


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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