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:
Ananai Mine, Nankoku City, Kochi, Japan


mindat Locality ID: 23325
mindat URL: http://www.mindat.org/loc-23325.html

Tectonic Settings:

Total number of sublocalities beneath "Ananai Mine, Nankoku City, Kochi, Japan": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 4
Child Localities:
Fukinaro Deposit (Ananai-Fukinaro Mine)
Honomori Deposit (Ananai-Honomori Mine)
Matsukabu Deposit
Nagakawara Deposit (Ananai-Nagakawara Mine)

Latitude: 33°41'30"N
Longitude: 133°38'49"E
Decimal Degree (lat, lon): 33.691666666667,133.64694444444

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 Hg K Mg Mn Na O S Si Sr 

Elements from minerals reported directly at this locality: Al B Ca Fe H Hg K Mg Mn Na O S Si Sr 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleAxiniteBaryteBrauniteCalciteClayClinozoisiteCorundumEpidote
FeldsparGadoliniteGarnetHumiteNoneOlivinePrehnitePumpellyitePyroxeneQuartz
RhodoniteSerpentineSpinelStilpnomelane

36 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Albite  (*)Alleghanyite  (*)Andradite  (*)
Axinite-(Mn)  (*)Bannisterite  (*)Baryte  (*)Bementite  (*)Braunite  (*)
Calcite  (*)Caryopilite  (*)Cinnabar  (*)Datolite  (*)Epidote-(Sr)  (*)
Gageite  (*)Ganophyllite  (*)Hausmannite  (*)Hematite  (*)Jacobsite  (*)
Natronambulite  (*)Neotocite  (*)Okhotskite  (*)Parsettensite  (*)Piemontite  (*)
Piemontite-(Sr)  (*)Prehnite  (*)Pumpellyite-(Mn2+)  (*)Quartz  (*)Rhodochrosite  (*)
Rhodonite  (*)Romanèchite  (*)Stilpnomelane  (*)Taneyamalite  (*)Tephroite  (*)
Tinzenite  (*)
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+Si2O601022
Albite  (*)FeldsparNa(AlSi3O8)275501,755058803
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)2077
Andradite  (*)GarnetCa3Fe3+2(SiO4)301534
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)2275501,7550288
Bannisterite  (*)Stilpnomelane Clay(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2O020
Baryte  (*)BaryteBa(SO4)275501,7550511547
Bementite  (*)ClayMn7Si6O15(OH)8175501173
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)375500,75501,75505483
Calcite  (*)CalciteCa(CO3)275501,7550527770
Caryopilite  (*)Clay SerpentineMn2+3Si2O5(OH)4275500,7550583
Cinnabar  (*)NoneHgS02600
Datolite  (*)GadoliniteCaB(SiO4)(OH)0498
Epidote-(Sr)  (*)EpidoteCaSr(Al2Fe3+)[Si2O7][SiO4]O(OH)08
Gageite  (*)NoneMn2+21Si8O27(OH)20014
Ganophyllite  (*)Clay(K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)275500,7550545
Hausmannite  (*)SpinelMn2+Mn3+2O4175505350
Hematite  (*)CorundumFe2O3375500,75501,7550514640
Jacobsite  (*)SpinelMn2+Fe3+2O4175500172
Natronambulite  (*)RhodoniteNaMn2+4Si5O14(OH)07
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)0186
Okhotskite  (*)PumpellyiteCa2Mn2+Mn3+2(Si2O7)(SiO4)(OH)2·H2O05
Parsettensite  (*)Stilpnomelane Clay(K,Na,Ca)7.5(Mn,Mg)49Si72O168(OH)50·nH2O043
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)375500,75501,75505260
Piemontite-(Sr)  (*)Clinozoisite EpidoteCaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)17550212
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)201898
Pumpellyite-(Mn2+)  (*)PumpellyiteCa2Mn2+Al2(Si2O7)(SiO4)(OH)2·H2O015
Quartz  (*)QuartzSiO2375500,75501,7550561156
Rhodochrosite  (*)CalciteMn(CO3)375500,75501,755051711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)375500,75501,75505969
Romanèchite  (*)None(Ba,H2O)2(Mn4+,Mn3+)5O10175500312
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O275500,75505456
Taneyamalite  (*)None(Na,Ca)Mn2+12(Si,Al)12(O,OH)4405
Tephroite  (*)OlivineMn2+2(SiO4)0240
Tinzenite  (*)AxiniteCa2Mn2+4Al4[B2Si8O30](OH)217550524



No ages have been assigned to this locality yet.

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