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:
Ochiai Mine, Kohsai, Minami-Alps City, Yamanashi, Japan

Oldest recorded age at locality: 12.22
Youngest recorded age at locality: 10.5

mindat Locality ID: 13306
mindat URL: http://www.mindat.org/loc-13306.html

Tectonic Settings:

Total number of sublocalities beneath "Ochiai Mine, Kohsai, Minami-Alps City, Yamanashi, Japan": 0
Total number of bottom-level sublocalities: 0

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.

Braunite	Calcite	Clay	Clinozoisite	Coronadite	Epidote	Feldspar	None	Pumpellyite	Pyroxene
Quartz	Rutile	Serpentine

Albite ()*	Braunite ()*	Calcite ()*	Caryopilite ()*	Clinozoisite ()*
Cryptomelane ()*	Johannsenite ()*	Piemontite ()*	Pumpellyite-(Mn²⁺) ()*	Pyrolusite ()*
Quartz ()*	Rhodochrosite ()*

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 C Ca H K Mn Na O Si

Elements from minerals reported directly at this locality: Al C Ca H K Mn Na O Si

Structural Groups for minerals in this locality:
Braunite Calcite Clay Clinozoisite Coronadite Epidote Feldspar None Pumpellyite Pyroxene
Quartz Rutile Serpentine

12 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	12.22	10.5	8803
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	12.22	10.5	483
Calcite ()*	Calcite	Ca(CO₃)	12.22	10.5	27770
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	12.22	10.5	83
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	12.22	10.5	1025
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	12.22	10.5	599
Johannsenite ()*	Pyroxene	CaMnSi₂O₆	12.22	10.5	73
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	12.22	10.5	260
Pumpellyite-(Mn²⁺) ()*	Pumpellyite	Ca₂Mn²⁺Al₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	12.22	10.5	15
Pyrolusite ()*	Rutile	MnO₂	12.22	10.5	3106
Quartz ()*	Quartz	SiO₂	12.22	10.5	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	12.22	10.5	1711

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-00157	12.1	11.3	11.7±0.4	Re-Os			molybdenite	Otome (Ot)		Yes	Molybdenite		Mo	17066	Otome Mine (Mitake Mine), Kofu City, Kinpuzan Mining District, Yamanashi, Japan	Higashiyamanashi, Yamanashi	Suzuki et al. (1996)	10.1016/0016-7037(96)00164-0	GCA60_3151
	Mo-00158	12.22	10.5	11.36±0.86	Re-Os			molybdenite	Otome (Ot)		Yes	Molybdenite		Mo	17066	Otome Mine (Mitake Mine), Kofu City, Kinpuzan Mining District, Yamanashi, Japan	Higashiyamanashi, Yamanashi	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...