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:
Shimokawa, Kamikawa Subprefecture, Hokkaidō, Japan

Oldest recorded age at locality: 100
Youngest recorded age at locality: 100

mindat Locality ID: 188119
mindat URL: http://www.mindat.org/loc-188119.html

Tectonic Settings:

Total number of sublocalities beneath "Shimokawa, Kamikawa Subprefecture, Hokkaidō, Japan": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Sanru Mine
Shimokawa Mine

Latitude: 44°17'45"N
Longitude: 142°40'19"E
Decimal Degree (lat, lon): 44.295833333333,142.67194444444

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	Amphibole	Chalcopyrite	Copper	Corundum	Cubanite	Marcasite	Nickeline	None	Not in a structural group
Pentlandite	Polybasite	Pyrite	Quartz	Rocksalt	Sphalerite	Spinel	Tetrahedrite	Valleriite	Wurtzite

Actinolite ()*	Aguilarite ()*	Chalcopyrite ()*	Cobaltpentlandite ()*	Cubanite ()*
Freibergite ()*	Freieslebenite ()*	Galena ()*	Gold ()*	Hessite ()*
Ilmenite ()*	Mackinawite ()*	Magnetite ()*	Marcasite ()*	Miargyrite ()*
Naumannite ()*	Polybasite ()*	Pyrargyrite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Sphalerite ()*	Stephanite ()*	Tetrahedrite-(Zn) ()*	Valleriite ()*

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 Au Ca Co Cu Fe H Mg Ni O Pb S Sb Se Si Te Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Amphibole Chalcopyrite Copper Corundum Cubanite Marcasite Nickeline None Not in a structural group
Pentlandite Polybasite Pyrite Quartz Rocksalt Sphalerite Spinel Tetrahedrite Valleriite Wurtzite

25 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
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	100	100	1	74698	3419
Aguilarite ()*	Acanthite	Ag₄SeS			1	74697	87
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	100	100	2	74697,74698	27198
Cobaltpentlandite ()*	Pentlandite	Co₉S₈	100	100	1	74698	82
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃	100	100	1	74698	802
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂			1	74697	663
Freieslebenite ()*	None	AgPbSbS₃			1	74697	105
Galena ()*	Rocksalt	PbS	100	100	1	74698	24243
Gold ()*	Copper	Au	100	100	2	74697,74698	30554
Hessite ()*	None	Ag₂Te			1	74697	804
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	100	100	1	74698	5433
Mackinawite ()*	None	(Fe,Ni)_1+xS (x = 0-0.07)	100	100	1	74698	451
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	100	100	1	74698	14899
Marcasite ()*	Marcasite	FeS₂	100	100	1	74698	5674
Miargyrite ()*	None	AgSbS₂			1	74697	300
Naumannite ()*	Not in a structural group	Ag₂Se			1	74697	192
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]			1	74697	716
Pyrargyrite ()*	None	Ag₃SbS₃			1	74697	1425
Pyrite ()*	Pyrite	FeS₂	100	100	2	74697,74698	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	100	100	2	74697,74698	9056
Quartz ()*	Quartz	SiO₂	100	100	2	74697,74698	61156
Sphalerite ()*	Sphalerite	ZnS	100	100	2	74697,74698	21482
Stephanite ()*	None	Ag₅SbS₄			1	74697	586
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	74697	5317
Valleriite ()*	Valleriite	2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)₂]	100	100	1	74698	237

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-00564	100	100	Cretaceous										S	146259	Shimokawa Mine, Shimokawa, Kamikawa Subprefecture, Hokkaidō, Japan	Shimokawa	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...