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:
Muika, Niigata, Japan

mindat Locality ID: 281993
mindat URL: http://www.mindat.org/loc-281993.html

Tectonic Settings:

Total number of sublocalities beneath "Muika, Niigata, Japan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nanetsu Mine

Latitude: 37°5'37"N
Longitude: 139°2'29"E
Decimal Degree (lat, lon): 37.093611111111,139.04138888889

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.

Arsenopyrite	Calcite	Chalcopyrite	Clay	Marcasite	Nickeline	None	Not in a structural group	Pyrite	Quartz
Rocksalt	Smectite-vermiculite	Sphalerite	Spinel	Wurtzite

Arsenopyrite ()*	Chalcopyrite ()*	Galena ()*	Greenockite ()*	Hemimorphite ()*
Magnetite ()*	Marcasite ()*	Montmorillonite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Smithsonite ()*	Sphalerite ()*

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 Cd Cu Fe H Mg Na O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Chalcopyrite Clay Marcasite Nickeline None Not in a structural group Pyrite Quartz
Rocksalt Smectite-vermiculite Sphalerite Spinel Wurtzite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	75974	9052
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	75974	27198
Galena ()*	Rocksalt	PbS	1	75974	24243
Greenockite ()*	Wurtzite	CdS	1	75974	717
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	1	75974	1689
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	75974	14899
Marcasite ()*	Marcasite	FeS₂	1	75974	5674
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	75974	1508
Pyrite ()*	Pyrite	FeS₂	1	75974	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	75974	9056
Quartz ()*	Quartz	SiO₂	1	75974	61156
Smithsonite ()*	Calcite	Zn(CO₃)	1	75974	2473
Sphalerite ()*	Sphalerite	ZnS	1	75974	21482

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...