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:
Kuji City, Iwate, Japan

Oldest recorded age at locality: 133.6
Youngest recorded age at locality: 112

mindat Locality ID: 32098
mindat URL: http://www.mindat.org/loc-32098.html

Tectonic Settings:

Total number of sublocalities beneath "Kuji City, Iwate, Japan": 23
Total number of bottom-level sublocalities: 21

Number of Child Localities: 6
Child Localities:
Goishi
Heiinokuchi Mine
Ohkawame Mine (Okawame Mine)
Umauchi Mine
Yamagata
Yamagata-cho

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Allophane	Braunite	Calcite	Chalcopyrite	Clay	Coronadite	Diaspore	Epidote	Feroxyhyte	Garnet
Gypsum	Kaolinite	Löllingite	Molybdenite	Nickeline	None	Olivine	Pentlandite	Pyrite	Pyroxene
Quartz	Ramsdellite	Rhodonite	Rocksalt	Rutile	Scheelite	Sphalerite	Spinel	Tetradymite	Titanite
Wollastonite

Alabandite ()*	Birnessite ()*	Braunite ()*	Bustamite ()*	Calcite ()*
Chalcopyrite ()*	Cryptomelane ()*	Feitknechtite ()*	Feroxyhyte ()*	Ferrobustamite ()*
Galaxite ()*	Goethite ()*	Graphite ()*	Gypsum ()*	Hausmannite ()*
Hedenbergite ()*	Jacobsite ()*	Joséite-B ()*	Kaolinite ()*	Manganite ()*
Manjiroite ()*	Molybdenite ()*	Neotocite ()*	Nickeline ()*	Nsutite ()*
Pentlandite ()*	Piemontite ()*	Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*
Quartz ()*	Ramsdellite ()*	Rhodochrosite ()*	Rhodonite ()*	Safflorite ()*
Scheelite ()*	Spessartine ()*	Sphalerite ()*	Tephroite ()*	Titanite ()*
Violarite ()*	Wollastonite ()*

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 Bi C Ca Co Cu Fe H K Mn Mo Na Ni O S Si Te Ti W Zn

Elements from minerals reported directly at this locality: Ca H O S

Structural Groups for minerals in this locality:
Allophane Braunite Calcite Chalcopyrite Clay Coronadite Diaspore Epidote Feroxyhyte Garnet
Gypsum Kaolinite Löllingite Molybdenite Nickeline None Olivine Pentlandite Pyrite Pyroxene
Quartz Ramsdellite Rhodonite Rocksalt Rutile Scheelite Sphalerite Spinel Tetradymite Titanite
Wollastonite

42 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alabandite ()*	Rocksalt	MnS	133.6	112	2	75149,75150	312
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	133.6	112	5	75141,75146,75148,75153,75155	178
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	133.6	112	6	75143,75144,75149,75150,75154,75157	483
Bustamite ()*	Wollastonite	Mn₂Ca₂MnCa(Si₃O₉)₂	133.6	112	1	75149	101
Calcite ()*	Calcite	Ca(CO₃)	133.6	112	4	75137,75141,75147,75153	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	133.6	112	1	75137	27198
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	133.6	112	5	75141,75149,75151,75152,75153	599
Feitknechtite ()*	None	Mn³⁺O(OH)	133.6	112	1	75141	19
Feroxyhyte ()*	Feroxyhyte	Fe³⁺O(OH)	133.6	112	1	75150	19
Ferrobustamite ()*	Wollastonite	CaFe²⁺Si₂O₆	133.6	112	1	75137	22
Galaxite ()*	Spinel	Mn²⁺Al₂O₄	133.6	112	1	75150	43
Goethite ()*	Diaspore	FeO(OH)	133.6	112	1	75149	7437
Graphite ()*	None	C	133.6	112	1	75137	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	133.6	112	0		6890
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	133.6	112	5	75141,75143,75150,75153,75154	350
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	133.6	112	1	75137	741
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄	133.6	112	6	75141,75143,75148,75149,75150,75151	172
Joséite-B ()*	Tetradymite	Bi₄Te₂S	133.6	112	1	75137	86
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	133.6	112	1	75136	5591
Manganite ()*	Rutile	Mn³⁺O(OH)	133.6	112	1	75154	770
Manjiroite ()*	Coronadite	Na(Mn⁴⁺₇Mn³⁺)O₁₆	133.6	112	1	75143	22
Molybdenite ()*	Molybdenite	MoS₂	133.6	112	1	75137	5800
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	133.6	112	3	75147,75150,75153	186
Nickeline ()*	Nickeline	NiAs	133.6	112	1	75137	633
Nsutite ()*	Ramsdellite	Mn²⁺_xMn⁴⁺_1-xO_2-2x(OH)_2x	133.6	112	6	75141,75142,75146,75148,75151,75154	121
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	133.6	112	1	75137	1512
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	133.6	112	1	75149	260
Pyrite ()*	Pyrite	FeS₂	133.6	112	1	75137	39462
Pyrolusite ()*	Rutile	MnO₂	133.6	112	6	75138,75141,75142,75149,75153,75154	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	133.6	112	1	75137	9056
Quartz ()*	Quartz	SiO₂	133.6	112	2	75137,75147	61156
Ramsdellite ()*	Ramsdellite	MnO₂	133.6	112	1	75153	88
Rhodochrosite ()*	Calcite	Mn(CO₃)	133.6	112	11	75141,75143,75145,75147,75149,75150,75151,75153,75154,75155,75157	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	133.6	112	7	75142,75144,75147,75148,75149,75150,75153	969
Safflorite ()*	Löllingite	CoAs₂	133.6	112	1	75137	317
Scheelite ()*	Scheelite	Ca(WO₄)	133.6	112	1	75137	4894
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	133.6	112	2	75149,75150	1214
Sphalerite ()*	Sphalerite	ZnS	133.6	112	1	75137	21482
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	133.6	112	8	75142,75145,75147,75148,75149,75150,75153,75154	240
Titanite ()*	Titanite	CaTi(SiO₄)O	133.6	112	1	75137	4899
Violarite ()*	Spinel	FeNi₂S₄	133.6	112	1	75137	380
Wollastonite ()*	Wollastonite	CaSiO₃	133.6	112	1	75137	1247

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Mo-00294	133.6	122.4	128.0±5.6	Re-Os			molybdenite	Okawame (Ok)			Molybdenite		Mo	106920	Ohkawame Mine (Okawame Mine), Kuji City, Iwate, Japan	Kuji, lwate	Suzuki et al. (1996)	10.1016/0016-7037(96)00164-0	GCA60_3151
	Mo-00295	119.8	112	115.9±3.9	Re-Os			molybdenite	Okawame (Ok)			Molybdenite		Mo	106920	Ohkawame Mine (Okawame Mine), Kuji City, Iwate, Japan	Kuji, lwate	Suzuki et al. (1996)	10.1016/0016-7037(96)00164-0	GCA60_3151

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...