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:
Ambohimasina, Betafo, Vakinankaratra, Madagascar

mindat Locality ID: 133033
mindat URL: http://www.mindat.org/loc-133033.html

Tectonic Settings:

Total number of sublocalities beneath "Ambohimasina, Betafo, Vakinankaratra, Madagascar": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Antoby
Lohavalala Pegmatite
Sahamandrevo Pegmatite
Vavavato Massif

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.

Beryl	Clay	Columbite	Corundum	Mica	None	Quartz	Smectite-vermiculite	Zircon

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 Be Ca Ce Fe H K Mg Nb O P Si Ta Th Ti U Y Zr

Elements from minerals reported directly at this locality: Al Fe H Mg O P Si Th Ti Y Zr

Structural Groups for minerals in this locality:
Beryl Clay Columbite Corundum Mica None Quartz Smectite-vermiculite Zircon

10 IMA Minerals at location:

Beryl ()*	Euxenite-(Y) ()*	Ilmenite ()*	Muscovite ()*	Quartz ()*
Samarskite-(Y) ()*	Thorite ()*	Vermiculite ()*	Xenotime-(Y) ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	79772	4286
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	1	79772	414
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	0		5433
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	79773	17380
Quartz ()*	Quartz	SiO₂	1	79770	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	2	79771,79772	353
Thorite ()*	Zircon	Th(SiO₄)	0		1006
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	0		652
Xenotime-(Y) ()*	Zircon	Y(PO₄)	0		939
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

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...