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:
Onikobe Geothermal Field, Miyagi, Japan

mindat Locality ID: 205390
mindat URL: http://www.mindat.org/loc-205390.html

Tectonic Settings:

Total number of sublocalities beneath "Onikobe Geothermal Field, Miyagi, Japan": 0
Total number of bottom-level sublocalities: 0

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.

Amorphous	Analcime	Calcite	Clay	Feldspar	Kaolinite	Mordenite	None	Not in a structural group	Pyrite
Pyroxene	Quartz	Smectite-vermiculite	Sulphur	Titanite

Albite ()*	Analcime ()*	Anhydrite ()*	Augite ()*	Calcite ()*
Kaolinite ()*	Laumontite ()*	Montmorillonite ()*	Mordenite ()*	Opal ()*
Pyrite ()*	Quartz ()*	Sulphur ()*	Titanite ()*	Wairakite ()*
Yugawaralite ()*

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 C Ca Fe H K Mg Na O S Si Ti

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Na O S Si Ti

Structural Groups for minerals in this locality:
Amorphous Analcime Calcite Clay Feldspar Kaolinite Mordenite None Not in a structural group Pyrite
Pyroxene Quartz Smectite-vermiculite Sulphur Titanite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1588
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Calcite ()*	Calcite	Ca(CO₃)	27770
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	405
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Sulphur ()*	Sulphur	S	2045
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O	73
Yugawaralite ()*	None	Ca(Si₆Al₂)O₁₆·4H₂O	33

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...