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:
Shikokuchuo City, Ehime, Japan

Oldest recorded age at locality: 541
Youngest recorded age at locality: 252

mindat Locality ID: 204435
mindat URL: http://www.mindat.org/loc-204435.html

Tectonic Settings:

Total number of sublocalities beneath "Shikokuchuo City, Ehime, Japan": 13
Total number of bottom-level sublocalities: 10

Number of Child Localities: 3
Child Localities:
Doi
Iyomishima
Shingu

Latitude: 33°56'34"N
Longitude: 133°38'31"E
Decimal Degree (lat, lon): 33.942777777778,133.64194444444

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.

Amphibole	Braunite	Calcite	Chalcopyrite	Chlorite	Chloritoid	Clay	Coronadite	Corundum	Diamond
Diaspore	Epidote	Garnet	Hydrotalcite	Mica	Nickeline	None	Not in a structural group	Olivine	Pyrite
Pyroxene	Quartz	Rutile	Sphalerite	Spinel	Talc

Abswurmbachite ()*	Actinolite ()*	Almandine ()*	Arfvedsonite ()*	Barroisite ()*
Braunite ()*	Brugnatellite ()*	Calcite ()*	Chalcopyrite ()*	Chloritoid ()*
Chromio-pargasite ()*	Chromite ()*	Clinochlore ()*	Diamond ()*	Diaspore ()*
Diopside ()*	Forsterite ()*	Gedrite ()*	Graphite ()*	Hematite ()*
Hollandite ()*	Ilmenite ()*	Katophorite ()*	Kyanite ()*	Magnesio-arfvedsonite ()*
Magnesiochromite ()*	Magnesite ()*	Magnetite ()*	Muscovite ()*	Omphacite ()*
Paragonite ()*	Phlogopite ()*	Piemontite ()*	Pyrite ()*	Pyrope ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Spessartine ()*	Sphalerite ()*
Spinel ()*	Szaibélyite ()*	Talc ()*	Uvarovite ()*	Zoisite ()*

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 C Ca Cr Cu Fe H K Mg Mn Na O S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Braunite Calcite Chalcopyrite Chlorite Chloritoid Clay Coronadite Corundum Diamond
Diaspore Epidote Garnet Hydrotalcite Mica Nickeline None Not in a structural group Olivine Pyrite
Pyroxene Quartz Rutile Sphalerite Spinel Talc

45 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
Abswurmbachite ()*	Braunite	Cu²⁺Mn³⁺₆O₈(SiO₄)			1	74144	4
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			3	74139,74140,74145	3419
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			2	74140,74146	2353
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂			1	74140	295
Barroisite ()*	Amphibole	(NaCa)(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂			1	74140	49
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)			1	74140	483
Brugnatellite ()*	Hydrotalcite	Mg₆Fe³⁺(CO₃)(OH)₁₃·4H₂O			1	74140	32
Calcite ()*	Calcite	Ca(CO₃)			1	74139	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	541	252	3	74141,74149,74150	27198
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂			1	74142	376
Chromio-pargasite ()*	Amphibole	NaCa₂(Mg₄Cr)(Si₆Al₂)O₂₂(OH)₂			1	74139	2
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	74139	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			2	74139,74140	1756
Diamond ()*	Diamond	C			1	74148	697
Diaspore ()*	Diaspore	AlO(OH)			1	74142	481
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	74139	4135
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	74139	1188
Gedrite ()*	Amphibole	Mg₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂			1	74140	178
Graphite ()*	None	C			1	74146	2812
Hematite ()*	Corundum	Fe₂O₃	360	360	2	74142,74150	14640
Hollandite ()*	Coronadite	Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆			1	74140	243
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	74140	5433
Katophorite ()*	Amphibole	Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂			1	74140	46
Kyanite ()*	Not in a structural group	Al₂OSiO₄			2	74140,74143	1507
Magnesio-arfvedsonite ()*	Amphibole	NaNa₂(Mg₄Fe³⁺)Si₈O₂₂(OH)₂			1	74140	79
Magnesiochromite ()*	Spinel	MgCr₂O₄			1	74139	311
Magnesite ()*	Calcite	Mg(CO₃)			2	74139,74140	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	541	252	3	74139,74141,74150	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			3	74140,74145,74146	17380
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆			2	74139,74140	229
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂			2	74140,74143	247
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	74139	2273
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)			2	74140,74145	260
Pyrite ()*	Pyrite	FeS₂	541	252	3	74141,74149,74150	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃			2	74139,74140	341
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	74149	9056
Quartz ()*	Quartz	SiO₂			3	74140,74145,74146	61156
Rutile ()*	Rutile	TiO₂			1	74140	5614
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	74146	1214
Sphalerite ()*	Sphalerite	ZnS			1	74149	21482
Spinel ()*	Spinel	MgAl₂O₄			1	74148	1934
Szaibélyite ()*	None	MgBO₂(OH)			1	74140	87
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			2	74139,74140	3337
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃			1	74139	212
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	74143	1025

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-00529	541	252	Paleozoic											204437	Iyo Mine, Doi, Shikokuchuo City, Ehime, Japan	Iyo	Moiser et al. (2009)		USGSOFR2009-1034
	vms-00566	360	360	Paleozoic										S	56379	Shingu Mine, Shingu, Shikokuchuo City, Ehime, Japan	Shingu	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL
R061124	Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime, Japan	https://rruff.info/R061124

All locality data graciously provided by mindat.org

All age data...