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:
Ochi District, Shimane, Japan

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

mindat Locality ID: 280262
mindat URL: http://www.mindat.org/loc-280262.html

Tectonic Settings:

Total number of sublocalities beneath "Ochi District, Shimane, Japan": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Dohgamaru Mine
Obayashi Mine

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.

Acanthite	Aragonite	Arsenopyrite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Covellite
Epidote	Hydrotalcite	Marcasite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Pyrite	Pyroxene
Quartz	Rocksalt	Rutile	Scheelite	Sphalerite	Spinel	Woodwardite

Acanthite ()*	Arsenopyrite ()*	Azurite ()*	Calcite ()*	Cassiterite ()*
Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Copper ()*	Covellite ()*
Dioptase ()*	Epidote ()*	Gahnite ()*	Galena ()*	Hedenbergite ()*
Hematite ()*	Hydrowoodwardite ()*	Magnetite ()*	Marcasite ()*	Molybdenite ()*
Muscovite ()*	Piemontite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Scheelite ()*	Shattuckite ()*	Silver ()*	Sphalerite ()*	Woodwardite ()*

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 As C Ca Cu Fe H K Mn Mo O Pb S Si Sn W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Aragonite Arsenopyrite Calcite Chalcopyrite Clay Clinozoisite Copper Corundum Covellite
Epidote Hydrotalcite Marcasite Mica Molybdenite Nickeline None Not in a structural group Pyrite Pyroxene
Quartz Rocksalt Rutile Scheelite Sphalerite Spinel Woodwardite

30 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
Acanthite ()*	Acanthite	Ag₂S	84.7	63.5	2	76410,76411	2793
Arsenopyrite ()*	Arsenopyrite	FeAsS	84.7	63.5	2	76410,76411	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	84.7	63.5	1	76410	5509
Calcite ()*	Calcite	Ca(CO₃)	84.7	63.5	1	76410	27770
Cassiterite ()*	Rutile	SnO₂	84.7	63.5	1	76410	5171
Cerussite ()*	Aragonite	Pb(CO₃)	84.7	63.5	1	76410	4979
Chalcocite ()*	None	Cu₂S	84.7	63.5	1	76410	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	84.7	63.5	2	76410,76411	27198
Copper ()*	Copper	Cu	84.7	63.5	1	76410	3846
Covellite ()*	Covellite	CuS	84.7	63.5	1	76410	4165
Dioptase ()*	None	CuSiO₃·H₂O	84.7	63.5	1	76410	164
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	84.7	63.5	1	76410	8173
Gahnite ()*	Spinel	ZnAl₂O₄	84.7	63.5	1	76410	445
Galena ()*	Rocksalt	PbS	84.7	63.5	2	76410,76411	24243
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	84.7	63.5	1	76410	741
Hematite ()*	Corundum	Fe₂O₃	84.7	63.5	1	76410	14640
Hydrowoodwardite ()*	Woodwardite Hydrotalcite	(Cu_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O (x < 0.5, n > 3x/2)	84.7	63.5	1	76410	16
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	84.7	63.5	1	76410	14899
Marcasite ()*	Marcasite	FeS₂	84.7	63.5	2	76410,76411	5674
Molybdenite ()*	Molybdenite	MoS₂	69.7	63.5	1	76410	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	84.7	63.5	1	76410	17380
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	84.7	63.5	1	76410	260
Pyrite ()*	Pyrite	FeS₂	84.7	63.5	2	76410,76411	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	84.7	63.5	2	76410,76411	9056
Quartz ()*	Quartz	SiO₂	84.7	63.5	1	76410	61156
Scheelite ()*	Scheelite	Ca(WO₄)	84.7	63.5	1	76410	4894
Shattuckite ()*	None	Cu₅(SiO₃)₄(OH)₂	84.7	63.5	1	76410	71
Silver ()*	Copper	Ag	84.7	63.5	1	76411	5186
Sphalerite ()*	Sphalerite	ZnS	84.7	63.5	2	76410,76411	21482
Woodwardite ()*	Woodwardite Hydrotalcite	(Cu_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O (x < 0.5, n < 3x/2)	84.7	63.5	1	76410	57

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...