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:
Okutama-cho, Nishitama District, Tokyo, Japan

mindat Locality ID: 48149
mindat URL: http://www.mindat.org/loc-48149.html

Tectonic Settings:

Total number of sublocalities beneath "Okutama-cho, Nishitama District, Tokyo, Japan": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Kiyokawa Mine
Ohsawa Mine
Okutama Mine
Shiromaru Mine (Hakumaru Mine)
Yoshida Mine

Latitude: 35°48'29"N
Longitude: 139°6'49"E
Decimal Degree (lat, lon): 35.808055555556,139.11361111111

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.

Allophane	Analcime	Aragonite	Axinite	Baryte	Benitoite	Brackebuschite	Braunite	Calcite	Clay
Clinozoisite	Copper	Coronadite	Corundum	Edingtonite	Epidote	Feldspar	Gadolinite	Garnet	Harmotome
Humite	None	Not in a structural group	Olivine	Pectolite	Pyrite	Pyroxene	Quartz	Rhodonite	Rocksalt
Serpentine	Spinel

Aegirine ()*	Albite ()*	Alleghanyite ()*	Analcime ()*	Andradite ()*
Axinite-(Mn) ()*	Banalsite ()*	Baryte ()*	Bementite ()*	Benitoite ()*
Birnessite ()*	Braunite ()*	Calcite ()*	Caryopilite ()*	Celsian ()*
Copper ()*	Cryptomelane ()*	Cuprite ()*	Cymrite ()*	Datolite ()*
Edingtonite ()*	Eggletonite ()*	Epidote-(Sr) ()*	Gamagarite ()*	Ganophyllite ()*
Grossular ()*	Harmotome ()*	Hausmannite ()*	Hematite ()*	Jacobsite ()*
Manganosite ()*	Marsturite ()*	Neotocite ()*	Orthoclase ()*	Piemontite-(Sr) ()*
Pyrite ()*	Pyroxmangite ()*	Quartz ()*	Rhodochrosite ()*	Rhodonite ()*
Serandite ()*	Siegenite ()*	Spessartine ()*	Strontianite ()*	Sussexite ()*
Tamaite ()*	Tephroite ()*	Tinzenite ()*	Tokyoite ()*	Wiserite ()*

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 Ba C Ca Cl Co Cu Fe H K Mg Mn Na Ni O S Si Sr Ti V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Analcime Aragonite Axinite Baryte Benitoite Brackebuschite Braunite Calcite Clay
Clinozoisite Copper Coronadite Corundum Edingtonite Epidote Feldspar Gadolinite Garnet Harmotome
Humite None Not in a structural group Olivine Pectolite Pyrite Pyroxene Quartz Rhodonite Rocksalt
Serpentine Spinel

50 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	76665	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	76665	8803
Alleghanyite ()*	Humite	Mn²⁺₅(SiO₄)₂(OH)₂	2	76662,76665	77
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	76665	1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1	76665	1534
Axinite-(Mn) ()*	Axinite	Ca₄Mn²⁺₂Al₄[B₂Si₈O₃₀](OH)₂	1	76665	88
Banalsite ()*	None	Na₂BaAl₄Si₄O₁₆	1	76665	22
Baryte ()*	Baryte	Ba(SO₄)	1	76665	11547
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈	1	76662	173
Benitoite ()*	Benitoite	BaTiSi₃O₉	1	76665	20
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	1	76665	178
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	1	76665	483
Calcite ()*	Calcite	Ca(CO₃)	1	76665	27770
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	2	76663,76664	83
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	1	76665	100
Copper ()*	Copper	Cu	1	76665	3846
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	76665	599
Cuprite ()*	Not in a structural group	Cu₂O	1	76665	2970
Cymrite ()*	None	Ba(Si,Al)₄(O,OH)₈·H₂O	1	76665	46
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	1	76665	498
Edingtonite ()*	Edingtonite	Ba(Si₃Al₂)O₁₀·4H₂O	1	76665	26
Eggletonite ()*	Clay	(Na,K,Ca)_xMn₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	1	76665	3
Epidote-(Sr) ()*	Epidote	CaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	76665	8
Gamagarite ()*	Brackebuschite	Ba₂Fe³⁺(VO₄)₂(OH)	1	76665	10
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	2	76664,76665	45
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	76665	1544
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	1	76665	290
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	2	76662,76664	350
Hematite ()*	Corundum	Fe₂O₃	3	76663,76664,76665	14640
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄	1	76662	172
Manganosite ()*	Rocksalt	MnO	1	76664	73
Marsturite ()*	Rhodonite	NaCaMn²⁺₃Si₅O₁₄(OH)	1	76665	5
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	1	76664	186
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	76665	2349
Piemontite-(Sr) ()*	Clinozoisite Epidote	CaSr(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	1	76665	12
Pyrite ()*	Pyrite	FeS₂	1	76664	39462
Pyroxmangite ()*	None	Mn²⁺SiO₃	1	76662	147
Quartz ()*	Quartz	SiO₂	4	76662,76663,76664,76665	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	3	76662,76664,76665	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	5	76662,76663,76664,76665,76666	969
Serandite ()*	Pectolite	NaMn²⁺₂Si₃O₈(OH)	1	76665	38
Siegenite ()*	Spinel	CoNi₂S₄	1	76664	249
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	76662	1214
Strontianite ()*	Aragonite	Sr(CO₃)	1	76665	589
Sussexite ()*	None	Mn²⁺BO₂(OH)	1	76662	25
Tamaite ()*	None	(Ca,K,Na)_xMn₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	1	76665	2
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	3	76662,76664,76665	240
Tinzenite ()*	Axinite	Ca₂Mn²⁺₄Al₄[B₂Si₈O₃₀](OH)₂	1	76665	24
Tokyoite ()*	Brackebuschite	Ba₂Mn³⁺(VO₄)₂OH	1	76665	9
Wiserite ()*	None	Mn²⁺₁₄(B₂O₅)₄(OH)₈·(Si,Mg)(O,OH)₄Cl	2	76662,76665	15

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...