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:
Melaky, Madagascar

mindat Locality ID: 188144
mindat URL: http://www.mindat.org/loc-188144.html

Tectonic Settings:

Total number of sublocalities beneath "Melaky, Madagascar": 18
Total number of bottom-level sublocalities: 10

Number of Child Localities: 4
Child Localities:
Ambatomainty
Antsalova
Maintirano
Morafenobe

Latitude: 17°49'24"S
Longitude: 44°33'39"E
Decimal Degree (lat, lon): -17.823333333333,44.560833333333

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	Feldspar	Natrolite	None	Not in a structural group	Prehnite	Quartz	Sulphur

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 Ca H K Na O P S Si U V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Feldspar Natrolite None Not in a structural group Prehnite Quartz Sulphur

9 IMA Minerals at location:

Analcime ()*	Anorthite ()*	Carnotite ()*	Laumontite ()*	Natrolite ()*
Prehnite ()*	Quartz ()*	Sulphur ()*	Uranocircite-II ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	79514	1627
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	79526	1036
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O	1	79524	1184
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	79514	1271
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	2	79514,79515	1236
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	79514	1898
Quartz ()*	Quartz	SiO₂	2	79517,79520	61156
Sulphur ()*	Sulphur	S	1	79521	2045
Uranocircite-II ()*	None	Ba(UO₂)₂(PO₄)₂·10H₂O	1	79524	89

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...