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:
Iyo District, Ehime, Japan

Oldest recorded age at locality: 360
Youngest recorded age at locality: 320

mindat Locality ID: 286044
mindat URL: http://www.mindat.org/loc-286044.html

Tectonic Settings:

Total number of sublocalities beneath "Iyo District, Ehime, Japan": 7
Total number of bottom-level sublocalities: 5

Number of Child Localities: 1
Child Localities:
Tobe-cho

Latitude: 33°40'41"N
Longitude: 132°48'4"E
Decimal Degree (lat, lon): 33.678055555556,132.80111111111

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.

Braunite	Calcite	Chalcopyrite	Chalcostibite	Corundum	Epidote	Garnet	Mica	Milarite	Nickeline
None	Olivine	Pyrite	Quartz	Rhodonite	Rocksalt	Spinel	Stibnite	Tetrahedrite

Alabandite ()*	Braunite ()*	Chalcopyrite ()*	Chalcostibite ()*	Graphite ()*
Hausmannite ()*	Hematite ()*	Krauskopfite ()*	Magnetite ()*	Manganosite ()*
Piemontite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*
Rhodonite ()*	Spessartine ()*	Stibnite ()*	Sugilite ()*	Tephroite ()*
Tetrahedrite-(Zn) ()*	Tobelite ()*	Valentinite ()*

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 Ba C Ca Cu Fe H K Li Mn N Na O S Sb Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Braunite Calcite Chalcopyrite Chalcostibite Corundum Epidote Garnet Mica Milarite Nickeline
None Olivine Pyrite Quartz Rhodonite Rocksalt Spinel Stibnite Tetrahedrite

23 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			1	74083	312
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)			1	74083	483
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	360	320	2	74085,74088	27198
Chalcostibite ()*	Chalcostibite	CuSbS₂	320	320	1	74088	162
Graphite ()*	None	C			1	74087	2812
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄			1	74083	350
Hematite ()*	Corundum	Fe₂O₃	360	360	1	74085	14640
Krauskopfite ()*	None	BaSi₂O₅·3H₂O			1	74083	6
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	360	360	1	74085	14899
Manganosite ()*	Rocksalt	MnO			1	74083	73
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)			1	74083	260
Pyrite ()*	Pyrite	FeS₂	360	320	2	74085,74088	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	360	360	1	74085	9056
Quartz ()*	Quartz	SiO₂			3	74083,74086,74087	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)			1	74083	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			1	74083	969
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	74083	1214
Stibnite ()*	Stibnite	Sb₂S₃	320	320	2	74086,74088	3418
Sugilite ()*	Milarite	KNa₂Fe³⁺₂(Li₃Si₁₂)O₃₀			1	74083	15
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)			1	74083	240
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	320	320	1	74088	5317
Tobelite ()*	Mica	(NH₄)Al₂(Si₃Al)O₁₀(OH)₂			1	74087	5
Valentinite ()*	None	Sb₂O₃			1	74086	369

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
	vms-00522	360	360	Paleozoic										S	224830	Hirota Mine, Hirota-mura, Tobe-cho, Iyo District, Ehime, Japan	Hirota	Moiser et al. (2009)		USGSOFR2009_1034
	vms-00586	320	320	Carboniferous										S	185448	Yuryo Mine, Tobe-cho, Iyo District, Ehime, Japan	Yuryo	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...