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:
Matsuiwa Mine (Kohoku Mine), Kesennuma City, Miyagi, Japan

Oldest recorded age at locality: 180
Youngest recorded age at locality: 134.5

mindat Locality ID: 66901
mindat URL: http://www.mindat.org/loc-66901.html

Tectonic Settings:

Total number of sublocalities beneath "Matsuiwa Mine (Kohoku Mine), Kesennuma City, Miyagi, Japan": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°58'0"N
Longitude: 141°31'10"E
Decimal Degree (lat, lon): 38.966666666667,141.51944444444
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 As B Ca Co Cu Fe H Mo Na O S Si U W 

Elements from minerals reported directly at this locality: Al As B Ca Co Cu Fe H Mo Na O S Si U W 

Structural Groups for minerals in this locality: 
ArsenopyriteChalcopyriteCobaltiteCorundumFluoriteMolybdeniteNickelineNonePyriteQuartz
ScheeliteSpinelTourmaline

12 IMA Minerals at location:
Arsenopyrite  (*)Chalcopyrite  (*)Cobaltite  (*)Hematite  (*)Magnetite  (*)
Molybdenite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)
Schorl  (*)Uraninite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS180134.509052
Chalcopyrite  (*)ChalcopyriteCuFeS2180134.5027198
Cobaltite  (*)CobaltiteCoAsS180134.50966
Hematite  (*)CorundumFe2O3180134.5014640
Magnetite  (*)SpinelFe2+Fe3+2O4180134.5014899
Molybdenite  (*)MolybdeniteMoS2180134.505800
Pyrite  (*)PyriteFeS2180134.5039462
Pyrrhotite  (*)NickelineFe7S8180134.509056
Quartz  (*)QuartzSiO2180134.5061156
Scheelite  (*)ScheeliteCa(WO4)180134.504894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)180134.502705
Uraninite  (*)FluoriteUO2180134.502718


3 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Mo-00392145.3134.5139.9±5.4Re-Os molybdeniteHata (Ht) YesMolybdenite Mo188194Kesennuma City, Miyagi, JapanKesennuma, MiyagiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 
Mo-00393164.1150.9157.5±6.6Re-Os molybdeniteHata (Ht) YesMolybdenite Mo188194Kesennuma City, Miyagi, JapanKesennuma, MiyagiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 
Mo-00394180146163±17Re-Os molybdeniteHata (Ht) YesMolybdenite Mo188194Kesennuma City, Miyagi, JapanKesennuma, MiyagiSuzuki et al. (1996)10.1016/0016-7037(96)00164-0GCA60_3151 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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