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:
Analanjirofo, Madagascar

mindat Locality ID: 192901
mindat URL: http://www.mindat.org/loc-192901.html

Tectonic Settings:

Total number of sublocalities beneath "Analanjirofo, Madagascar": 22
Total number of bottom-level sublocalities: 13

Number of Child Localities: 6
Child Localities:
Fenoarivo Atsinanana
Mananara Nord
Maroantsetra
Nosy Boraha
Soanierana-Ivongo
Vavatenina

Latitude: 16°57'5"S
Longitude: 49°16'18"E
Decimal Degree (lat, lon): -16.951388888889,49.271666666667

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.

Amphibole	Corundum	None	Not in a structural group	Quartz	Rutile	Staurolite

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 Fe H Mg O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Corundum None Not in a structural group Quartz Rutile Staurolite

6 IMA Minerals at location:

Actinolite ()*	Corundum ()*	Kyanite ()*	Quartz ()*	Rutile ()*
Staurolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	78589	3419
Corundum ()*	Corundum	Al₂O₃	4	78573,78578,78579,78594	1797
Kyanite ()*	Not in a structural group	Al₂OSiO₄	3	78575,78583,78591	1507
Quartz ()*	Quartz	SiO₂	4	78585,78586,78588,78589	61156
Rutile ()*	Rutile	TiO₂	1	78589	5614
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	1	78591	978

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...