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:
Yoichi, Shiribeshi Subprefecture, Hokkaidō, Japan

mindat Locality ID: 218462
mindat URL: http://www.mindat.org/loc-218462.html

Tectonic Settings:

Total number of sublocalities beneath "Yoichi, Shiribeshi Subprefecture, Hokkaidō, Japan": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Fugoppe Creek
Kokko Mine (Kokkou Mine)
Ponshikaribetsu Mine
Todoroki Mine

Latitude: 43°0'29"N
Longitude: 140°55'29"E
Decimal Degree (lat, lon): 43.008055555556,140.92472222222

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	Calcite	Chalcopyrite	Copper	Coronadite	Feldspar	None	Pyrite	Quartz	Rocksalt
Rutile	Sphalerite

Acanthite ()*	Anorthite ()*	Calcite ()*	Chalcopyrite ()*	Cryptomelane ()*
Galena ()*	Gold ()*	Hollandite ()*	Inesite ()*	Manganite ()*
Pyrargyrite ()*	Pyrite ()*	Quartz ()*	Rhodochrosite ()*	Sphalerite ()*
Todorokite ()*

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 Ba C Ca Cu Fe H K Mg Mn Na O Pb S Sb Si Sr Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Calcite Chalcopyrite Copper Coronadite Feldspar None Pyrite Quartz Rocksalt
Rutile Sphalerite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	2	74809,74810	2793
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	74807	1036
Calcite ()*	Calcite	Ca(CO₃)	1	74810	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	74809	27198
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	74808	599
Galena ()*	Rocksalt	PbS	2	74809,74810	24243
Gold ()*	Copper	Au	2	74809,74810	30554
Hollandite ()*	Coronadite	Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆	1	74808	243
Inesite ()*	None	Ca₂Mn²⁺₇Si₁₀O₂₈(OH)₂·5H₂O	1	74810	50
Manganite ()*	Rutile	Mn³⁺O(OH)	1	74808	770
Pyrargyrite ()*	None	Ag₃SbS₃	1	74810	1425
Pyrite ()*	Pyrite	FeS₂	1	74810	39462
Quartz ()*	Quartz	SiO₂	2	74809,74810	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	2	74809,74810	1711
Sphalerite ()*	Sphalerite	ZnS	2	74809,74810	21482
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	2	74808,74810	433

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R070257	Todoroki Mine, Yoichi, Shiribeshi Subprefecture, Hokkaidō, Japan	https://rruff.info/R070257

All locality data graciously provided by mindat.org

All age data...