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:
Samani-cho, Samani-gun, Hidaka Subrefecture, Hokkaidō, Japan


mindat Locality ID: 30236
mindat URL: http://www.mindat.org/loc-30236.html

Tectonic Settings:

Total number of sublocalities beneath "Samani-cho, Samani-gun, Hidaka Subrefecture, Hokkaidō, Japan": 7
Total number of bottom-level sublocalities: 6

Number of Child Localities: 1
Child Localities:
Horoman Peridotite Body

Latitude: 42°4'41"N
Longitude: 143°2'31"E
Decimal Degree (lat, lon): 42.078055555556,143.04194444444
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 Ca Co Cr Cu Fe H K Mg Na Ni O S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleChalcopyriteClayCopperCorundumFeldsparGarnetMicaNickelineNone
OlivinePentlanditePyroxeneSpinel

28 IMA Minerals at location:
Anorthite  (*)Augite  (*)Bornite  (*)Carrollite  (*)Chalcopyrite  (*)
Chromite  (*)Copper  (*)Corundum  (*)Diopside  (*)Enstatite  (*)
Forsterite  (*)Heazlewoodite  (*)Hercynite  (*)Horomanite  (*)Ilmenite  (*)
Kaersutite  (*)Magnetite  (*)Pargasite  (*)Pentlandite  (*)Phlogopite  (*)
Pyrope  (*)Pyrrhotite  (*)Samaniite  (*)Siegenite  (*)Spinel  (*)
Sugakiite  (*)Talnakhite  (*)Troilite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anorthite  (*)FeldsparCa(Al2Si2O8)274638,746411036
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O61746402060
Bornite  (*)NoneCu5FeS4274636,746415516
Carrollite  (*)SpinelCuCo2S4174641154
Chalcopyrite  (*)ChalcopyriteCuFeS217464127198
Chromite  (*)SpinelFe2+Cr2O41746363902
Copper  (*)CopperCu274636,746413846
Corundum  (*)CorundumAl2O31746381797
Diopside  (*)PyroxeneCaMgSi2O6374636,74637,746404135
Enstatite  (*)PyroxeneMg2Si2O6174636944
Forsterite  (*)OlivineMg2(SiO4)674636,74637,74638,74639,74640,746421188
Heazlewoodite  (*)NoneNi3S2174641205
Hercynite  (*)SpinelFe2+Al2O4174636407
Horomanite  (*)NoneFe6Ni3S81746363
Ilmenite  (*)CorundumFe2+Ti4+O31746405433
Kaersutite  (*)AmphiboleNaCa2(Mg3AlTi4+)(Si6Al2)O22O2174640179
Magnetite  (*)SpinelFe2+Fe3+2O4374637,74640,7464114899
Pargasite  (*)AmphiboleNaCa2(Mg4Al)(Si6Al2)O22(OH)2374637,74640,74642313
Pentlandite  (*)Pentlandite(Ni,Fe)9S81746411512
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2274639,746422273
Pyrope  (*)GarnetMg3Al2(SiO4)3174636341
Pyrrhotite  (*)NickelineFe7S81746419056
Samaniite  (*)NoneCu2Fe5Ni2S81746364
Siegenite  (*)SpinelCoNi2S4174641249
Spinel  (*)SpinelMgAl2O4674636,74637,74638,74639,74640,746421934
Sugakiite  (*)PentlanditeCu(Fe,Ni)8S8274636,746413
Talnakhite  (*)ChalcopyriteCu9Fe8S16274636,7464135
Troilite  (*)NoneFeS1746411044


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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