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:
Shiraoi-cho, Shiraoi-gun, Iburi Subprefecture, Hokkaidō, Japan

mindat Locality ID: 276879
mindat URL: http://www.mindat.org/loc-276879.html

Tectonic Settings:

Total number of sublocalities beneath "Shiraoi-cho, Shiraoi-gun, Iburi Subprefecture, Hokkaidō, Japan": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Kuttara (Lake Kuttara)
Minamishiraoi Deposits (Minamishiraoi Baryte Mine)
Shiraoi Mine

Latitude: 42°39'38"N
Longitude: 141°13'32"E
Decimal Degree (lat, lon): 42.660555555556,141.22555555556

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.

Baryte	Chlorite	Clay	Corrensite	Diaspore	Feldspar	Kaolinite	Mica	None	Olivine

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 Ba Ca Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Chlorite Clay Corrensite Diaspore Feldspar Kaolinite Mica None Olivine

10 IMA Minerals at location:

Anorthite ()*	Baryte ()*	Dickite ()*	Forsterite ()*	Goethite ()*
Kaolinite ()*	Muscovite ()*	Nacrite ()*	Sudoite ()*	Tosudite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	74666	1036
Baryte ()*	Baryte	Ba(SO₄)	1	74667	11547
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	74667	651
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	74666	1188
Goethite ()*	Diaspore	FeO(OH)	1	74668	7437
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	74667	5591
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	74667	17380
Nacrite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	74667	112
Sudoite ()*	Chlorite Clay	Mg₂Al₃(Si₃Al)O₁₀(OH)₈	1	74667	51
Tosudite ()*	Corrensite Clay	Na_0.5(Al,Mg)₆(Si,Al)₈O₁₈(OH)₁₂·5H₂O	1	74667	36

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...