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:
Aogashima, Izu Archipelago, Tokyo, Japan

mindat Locality ID: 256825
mindat URL: http://www.mindat.org/loc-256825.html

Tectonic Settings:

Total number of sublocalities beneath "Aogashima, Izu Archipelago, Tokyo, Japan": 7
Total number of bottom-level sublocalities: 5

Number of Child Localities: 4
Child Localities:
Ikenosawa Caldera
Ochiya Port
Sanpo Beach
Yuhama Beach

Latitude: 32°27'11"N
Longitude: 139°45'52"E
Decimal Degree (lat, lon): 32.453055555556,139.76444444444

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	Alunite	Amorphous	Aragonite	Atacamite	Calcite	Clay	Copper	Corundum	Feldspar
Gypsum	Kaolinite	None	Olivine	Volborthite

Anorthite ()*	Aragonite ()*	Atacamite ()*	Birnessite ()*	Calcite ()*
Chrysocolla ()*	Copper ()*	Forsterite ()*	Gypsum ()*	Hematite ()*
Kaolinite ()*	Natroalunite ()*	Opal ()*	Todorokite ()*	Volborthite ()*

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 C Ca Cl Cu Fe H K Mg Mn Na O S Si Sr V

Elements from minerals reported directly at this locality: Al Ba Ca H K Mg Mn Na O S Si Sr

Structural Groups for minerals in this locality:
Allophane Alunite Amorphous Aragonite Atacamite Calcite Clay Copper Corundum Feldspar
Gypsum Kaolinite None Olivine Volborthite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	2	76640,76641	1036
Aragonite ()*	Aragonite	Ca(CO₃)	1	76638	3250
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	1	76641	544
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	0		178
Calcite ()*	Calcite	Ca(CO₃)	1	76638	27770
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	76641	3531
Copper ()*	Copper	Cu	1	76640	3846
Forsterite ()*	Olivine	Mg₂(SiO₄)	0		1188
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0		6890
Hematite ()*	Corundum	Fe₂O₃	1	76641	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	76636	5591
Natroalunite ()*	Alunite	NaAl₃(SO₄)₂(OH)₆	1	76636	128
Opal ()*	Amorphous	SiO₂·nH₂O	0		2994
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	0		433
Volborthite ()*	Volborthite	Cu₃V₂O₇(OH)₂·2H₂O	1	76641	155

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...