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:
Okawa-mura, Tosa District, Kochi, Japan

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

mindat Locality ID: 281440
mindat URL: http://www.mindat.org/loc-281440.html

Tectonic Settings:

Total number of sublocalities beneath "Okawa-mura, Tosa District, Kochi, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Shirataki Mine

Latitude: 33°49'40"N
Longitude: 133°28'20"E
Decimal Degree (lat, lon): 33.827777777778,133.47222222222

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.

Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Covellite	Epidote	Gadolinite	Mica	Nickeline
None	Pyrite	Quartz	Sphalerite	Spinel

Bornite ()*	Carrollite ()*	Chalcocite ()*	Chalcopyrite ()*	Covellite ()*
Datolite ()*	Epidote ()*	Hematite ()*	Magnetite ()*	Muscovite ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Silver ()*	Sphalerite ()*
Stromeyerite ()*

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: Ag Al B Ca Co Cu Fe H K O S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Clay Clinozoisite Copper Corundum Covellite Epidote Gadolinite Mica Nickeline
None Pyrite Quartz Sphalerite Spinel

16 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
Bornite ()*	None	Cu₅FeS₄	360	360	1	75519	5516
Carrollite ()*	Spinel	CuCo₂S₄	360	360	1	75519	154
Chalcocite ()*	None	Cu₂S	360	360	1	75519	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	360	360	1	75519	27198
Covellite ()*	Covellite	CuS	360	360	1	75519	4165
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	360	360	1	75519	498
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	360	360	1	75519	8173
Hematite ()*	Corundum	Fe₂O₃	360	360	1	75519	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	360	360	1	75519	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	360	360	1	75519	17380
Pyrite ()*	Pyrite	FeS₂	360	360	1	75519	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	360	360	1	75519	9056
Quartz ()*	Quartz	SiO₂	360	360	1	75519	61156
Silver ()*	Copper	Ag	360	360	1	75519	5186
Sphalerite ()*	Sphalerite	ZnS	360	360	1	75519	21482
Stromeyerite ()*	None	CuAgS	360	360	1	75519	332

1 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-00567	360	360	Paleozoic										S	28723	Shirataki Mine, Okawa-mura, Tosa District, Kochi, Japan	Shirataki	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...