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:
Bezavona Massif, Anorotsangana, Ambanja, Diana, Madagascar

mindat Locality ID: 191201
mindat URL: http://www.mindat.org/loc-191201.html

Tectonic Settings:

Total number of sublocalities beneath "Bezavona Massif, Anorotsangana, Ambanja, Diana, Madagascar": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Antsaharoro
Antsohanina Ravine
Mt. Andevenanaomby

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.

Analcime	Catapleiite	Clinozoisite	Epidote	Eudialyte	Garnet	None	Not in a structural group	Olivine	Prehnite
Pyroxene	Sapphirine	Tridymite

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 Ca Cl Fe H K Na O Si Ti Zr

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

Structural Groups for minerals in this locality:
Analcime Catapleiite Clinozoisite Epidote Eudialyte Garnet None Not in a structural group Olivine Prehnite
Pyroxene Sapphirine Tridymite

12 IMA Minerals at location:

Aegirine ()*	Aenigmatite ()*	Analcime ()*	Anatase ()*	Catapleiite ()*
Epidote ()*	Eudialyte ()*	Fayalite ()*	Grossular ()*	Leucite ()*
Nepheline ()*	Prehnite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	0		1022
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	0		133
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	79258	1627
Anatase ()*	Not in a structural group	TiO₂	1	79257	2162
Catapleiite ()*	Catapleiite	Na₂Zr(Si₃O₉)·2H₂O	1	79259	113
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	79258	8173
Eudialyte ()*	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	1	79259	182
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	0		371
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0		1544
Leucite ()*	Analcime	K(AlSi₂O₆)	0		233
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	0		884
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	79258	1898

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...