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:
Hashidate, Ōmi, Itoigawa City, Niigata, Japan


mindat Locality ID: 221221
mindat URL: http://www.mindat.org/loc-221221.html

Tectonic Settings:

Total number of sublocalities beneath "Hashidate, Ōmi, Itoigawa City, Niigata, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Kinzandani (Kanayamadani)

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 Ca Fe H K Mg Na O Si Sr Ti 

Elements from minerals reported directly at this locality: O Si 

Structural Groups for minerals in this locality: 
AmphiboleBenitoiteClayCristobaliteFeldsparJoaquiniteMicaNoneOhmilitePrehnite
PyroxeneQuartzSmectite-vermiculite

14 IMA Minerals at location:
Albite  (*)Benitoite  (*)Cristobalite  (*)Leucosphenite  (*)Magnesio-riebeckite  (*)
Montmorillonite  (*)Muscovite  (*)Ohmilite  (*)Omphacite  (*)Phlogopite  (*)
Prehnite  (*)Quartz  (*)Riebeckite  (*)Strontio-orthojoaquinite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)1759588803
Benitoite  (*)BenitoiteBaTiSi3O917595820
Cristobalite  (*)CristobaliteSiO2175958453
Leucosphenite  (*)NoneNa4BaTi2B2Si10O3017595819
Magnesio-riebeckite  (*)Amphibole   Na2(Mg3Fe3+2)Si8O22(OH)217595893
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1759581508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)217595817380
Ohmilite  (*)OhmiliteSr3(Ti,Fe3+)(Si2O6)2(O,OH)·2H2O1759582
Omphacite  (*)Pyroxene(Ca,Na)(Mg,Fe,Al)Si2O6175958229
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21759582273
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)21759581898
Quartz  (*)QuartzSiO2061156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2175958375
Strontio-orthojoaquinite  (*)JoaquiniteNaSr4Fe3+Ti2Si8O24(OH)41759582


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

All locality data graciously provided by mindat.org

All age data...

Other copyright data...