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:
Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime, Japan


mindat Locality ID: 56375
mindat URL: http://www.mindat.org/loc-56375.html

Tectonic Settings:

Total number of sublocalities beneath "Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime, Japan": 0
Total number of bottom-level sublocalities: 0

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 Ba C Ca Fe H K Mg Mn Na O Si Ti 

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

Structural Groups for minerals in this locality: 
AmphiboleBrauniteCalciteChloriteClayCoronaditeCorundumEpidoteGarnetHydrotalcite
MicaNoneNot in a structural groupPyroxeneQuartzRutileTalc

23 IMA Minerals at location:
Actinolite  (*)Almandine  (*)Arfvedsonite  (*)Barroisite  (*)Braunite  (*)
Brugnatellite  (*)Clinochlore  (*)Gedrite  (*)Hollandite  (*)Ilmenite  (*)
Katophorite  (*)Kyanite  (*)Magnesio-arfvedsonite  (*)Magnesite  (*)Muscovite  (*)
Omphacite  (*)Paragonite  (*)Piemontite  (*)Pyrope  (*)Quartz  (*)
Rutile  (*)Szaibélyite  (*)Talc  (*)
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
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)20295
Barroisite  (*)Amphibole   (NaCa)(Mg3Al2)(Si7Al)O22(OH)2049
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)0483
Brugnatellite  (*)HydrotalciteMg6Fe3+(CO3)(OH)13·4H2O032
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)801756
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)20178
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O160243
Ilmenite  (*)CorundumFe2+Ti4+O305433
Katophorite  (*)AmphiboleNa(NaCa)(Mg4Al)(Si7Al)O22(OH)2046
Kyanite  (*)Not in a structural groupAl2OSiO401507
Magnesio-arfvedsonite  (*)AmphiboleNaNa2(Mg4Fe3+)Si8O22(OH)2079
Magnesite  (*)CalciteMg(CO3)01487
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Omphacite  (*)Pyroxene(Ca,Na)(Mg,Fe,Al)Si2O60229
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)20247
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)0260
Pyrope  (*)GarnetMg3Al2(SiO4)30341
Quartz  (*)QuartzSiO2061156
Rutile  (*)RutileTiO205614
Szaibélyite  (*)NoneMgBO2(OH)087
Talc  (*)Clay TalcMg3Si4O10(OH)203337


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R061124Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime, Japanhttps://rruff.info/R061124

All locality data graciously provided by mindat.org

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