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:
Tsuwano, Shimane, Japan

Oldest recorded age at locality: 84.7
Youngest recorded age at locality: 63.5

mindat Locality ID: 280386
mindat URL: http://www.mindat.org/loc-280386.html

Tectonic Settings:

Total number of sublocalities beneath "Tsuwano, Shimane, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Sasagatani Mine

Latitude: 34°32'54"N
Longitude: 131°42'9"E
Decimal Degree (lat, lon): 34.548333333333,131.7025

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	Arsenic	Arsenopyrite	Calcite	Chalcopyrite	Clinozoisite	Corundum	Epidote	Ilvaite	Marcasite
Nickeline	None	Pyrite	Pyroxene	Quartz	Rocksalt	Sphalerite	Spinel	Vesuvianite	Wollastonite

Arsenic ()*	Arsenopyrite ()*	Calcite ()*	Chalcopyrite ()*	Clinozoisite ()*
Epidote ()*	Galena ()*	Hedenbergite ()*	Hematite ()*	Ilvaite ()*
Magnetite ()*	Marcasite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Sphalerite ()*	Tremolite ()*	Vesuvianite ()*	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 C Ca Cu F Fe H Mg Na O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Arsenic Arsenopyrite Calcite Chalcopyrite Clinozoisite Corundum Epidote Ilvaite Marcasite
Nickeline None Pyrite Pyroxene Quartz Rocksalt Sphalerite Spinel Vesuvianite Wollastonite

19 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
Arsenic ()*	Arsenic	As	84.7	63.5	1	76436	379
Arsenopyrite ()*	Arsenopyrite	FeAsS	84.7	63.5	1	76436	9052
Calcite ()*	Calcite	Ca(CO₃)	84.7	63.5	1	76436	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	84.7	63.5	1	76436	27198
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	84.7	63.5	1	76436	1025
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	84.7	63.5	1	76436	8173
Galena ()*	Rocksalt	PbS	84.7	63.5	1	76436	24243
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	84.7	63.5	1	76436	741
Hematite ()*	Corundum	Fe₂O₃	84.7	63.5	1	76436	14640
Ilvaite ()*	Ilvaite	CaFe³⁺Fe²⁺₂O(Si₂O₇)(OH)	84.7	63.5	1	76436	197
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	84.7	63.5	1	76436	14899
Marcasite ()*	Marcasite	FeS₂	84.7	63.5	1	76436	5674
Pyrite ()*	Pyrite	FeS₂	84.7	63.5	1	76436	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	84.7	63.5	1	76436	9056
Quartz ()*	Quartz	SiO₂	84.7	63.5	1	76436	61156
Sphalerite ()*	Sphalerite	ZnS	84.7	63.5	1	76436	21482
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	84.7	63.5	1	76436	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	84.7	63.5	1	76436	1395
Wollastonite ()*	Wollastonite	CaSiO₃	84.7	63.5	1	76436	1247

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Age from other Locality	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Mo-00222	69.7	64.5	67.1±2.6	Re-Os	molybdenite	Takagigawa (Tg)	Yes	Molybdenite	Mo	218607	Hirose, Shimane, Japan	Hirose, Shimane	Suzuki et al. (1996)	10.1016/0016-7037(96)00164-0	GCA60_3151
Mo-00223	68.3	63.5	65.9±2.4	Re-Os	molybdenite	Takagigawa (Tg)	Yes	Molybdenite	Mo	218607	Hirose, Shimane, Japan	Hirose, Shimane	Suzuki et al. (1996)	10.1016/0016-7037(96)00164-0	GCA60_3151
Kristen001925	84.7	78.1	81.4±3.3	K-Ar	biotite	71Y-12	Yes			19893	Tsumo Mine, Masuda, Shimane, Japan	Tsumo	Shibata and Ishihara (1974)	10.2113/gsecongeo.69.8.1207	EG69_1207
Kristen001926	81.8	75.4	78.6±3.2	K-Ar	phlogopite		Yes	Phlogopite		19893	Tsumo Mine, Masuda, Shimane, Japan	Tsumo	Shibata and Ishihara (1974)	10.2113/gsecongeo.69.8.1207	EG69_1207

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...