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:
Myoukenyama (Myokensan), Hitachiota City, Ibaraki, Japan

mindat Locality ID: 37307
mindat URL: http://www.mindat.org/loc-37307.html

Tectonic Settings:

Total number of sublocalities beneath "Myoukenyama (Myokensan), Hitachiota City, Ibaraki, Japan": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°30'0"N
Longitude: 140°30'0"E
Decimal Degree (lat, lon): 36.5,140.5

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.

Analcime	Beryl	Columbite	Feldspar	Mica	None	Pyrochlore	Pyroxene	Quartz	Rutile
Tourmaline	Zircon

Albite ()*	Beryl ()*	Cassiterite ()*	Columbite-(Mn) ()*	Elbaite ()*
Fluorcalciomicrolite ()*	Montebrasite ()*	Oxystibiomicrolite ()*	Pollucite ()*	Quartz ()*
Spodumene ()*	Stibiotantalite ()*	Tantalite-(Fe) ()*	Tantalite-(Mn) ()*	Trilithionite ()*
Zircon ()*

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 B Be Ca Cs F Fe H K Li Mn Na Nb O P Sb Si Sn Ta Zr

Elements from minerals reported directly at this locality: Al B Be Ca Cs F Fe H K Li Mn Na Nb O P Sb Si Sn Ta Zr

Structural Groups for minerals in this locality:
Analcime Beryl Columbite Feldspar Mica None Pyrochlore Pyroxene Quartz Rutile
Tourmaline Zircon

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4286
Cassiterite ()*	Rutile	SnO₂	5171
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	289
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	520
Fluorcalciomicrolite ()*	Pyrochlore	(Ca,Na, )₂Ta₂O₆F	13
Montebrasite ()*	None	LiAl(PO₄)(OH)	200
Oxystibiomicrolite ()*	Pyrochlore	(Sb³⁺,Ca)₂Ta₂O₆O	2
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	140
Quartz ()*	Quartz	SiO₂	61156
Spodumene ()*	Pyroxene	LiAlSi₂O₆	688
Stibiotantalite ()*	None	Sb³⁺TaO₄	53
Tantalite-(Fe) ()*	Columbite	Fe²⁺Ta₂O₆	99
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	211
Trilithionite ()*	Mica	KLi_1.5Al_1.5(Si₃Al)O₁₀F₂	28
Zircon ()*	Zircon	Zr(SiO₄)	5251

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...