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:
Ninety East Ridge (90° E Ridge; Indian Ridge), Indian Ocean

mindat Locality ID: 191809
mindat URL: http://www.mindat.org/loc-191809.html

Tectonic Settings:

Total number of sublocalities beneath "Ninety East Ridge (90° E Ridge; Indian Ridge), Indian Ocean": 4
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
D.S.D.P.
DSDP 22-216-37-4

Latitude: 11°42'28"S
Longitude: 88°47'12"E
Decimal Degree (lat, lon): -11.707777777778,88.786666666667

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	Baryte	Calcite	Clay	Copper	Corundum	Cristobalite	Diaspore	Feldspar
Gypsum	Heulandite	Mica	Mordenite	None	Not in a structural group	Pyrite	Quartz	Serpentine	Smectite-vermiculite
Spinel	Talc

Albite ()*	Analcime ()*	Anatase ()*	Baryte ()*	Beidellite ()*
Calcite ()*	Celadonite ()*	Chrysotile ()*	Clinoptilolite-Ca ()*	Clinoptilolite-Na ()*
Copper ()*	Cristobalite ()*	Goethite ()*	Gypsum ()*	Ilmenite ()*
Magnetite ()*	Mordenite ()*	Muscovite ()*	Opal ()*	Pyrite ()*
Quartz ()*	Saponite ()*	Talc ()*

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 Cu Fe H K Mg Na O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Analcime Baryte Calcite Clay Copper Corundum Cristobalite Diaspore Feldspar
Gypsum Heulandite Mica Mordenite None Not in a structural group Pyrite Quartz Serpentine Smectite-vermiculite
Spinel Talc

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	66931	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	66931	1627
Anatase ()*	Not in a structural group	TiO₂	1	66931	2162
Baryte ()*	Baryte	Ba(SO₄)	1	66931	11547
Beidellite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3Al₂(Si,Al)₄O₁₀(OH)₂·nH₂O	1	66931	85
Calcite ()*	Calcite	Ca(CO₃)	1	66931	27770
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂	1	66931	309
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	66931	951
Clinoptilolite-Ca ()*	Heulandite	Ca₃(Si₃₀Al₆)O₇₂·20H₂O	1	66931	33
Clinoptilolite-Na ()*	Heulandite	Na₆(Si₃₀Al₆)O₇₂·20H₂O	1	66931	24
Copper ()*	Copper	Cu	1	66932	3846
Cristobalite ()*	Cristobalite	SiO₂	1	66931	453
Goethite ()*	Diaspore	FeO(OH)	1	66931	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	66931	6890
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	66931	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	66931	14899
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	1	66931	405
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	66931	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	66931	2994
Pyrite ()*	Pyrite	FeS₂	1	66931	39462
Quartz ()*	Quartz	SiO₂	1	66931	61156
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	1	66931	301
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	66931	3337

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...