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:
Ambonaivo Group, Maromby, Amboasary Sud, Anosy, Madagascar

mindat Locality ID: 131198
mindat URL: http://www.mindat.org/loc-131198.html

Tectonic Settings:

Total number of sublocalities beneath "Ambonaivo Group, Maromby, Amboasary Sud, Anosy, Madagascar": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Ambonaivo Thorianite Deposit
Antanambao Thorianite Deposit
Befiamy-Belamoto Thorianite Deposit

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.

Calcite	Clay	Corundum	Fluorite	Magnetoplumbite	Mica	None	Pyroxene	Spinel	Titanite
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 C Ca Ce F H K Mg O Si Th Ti Zr

Elements from minerals reported directly at this locality: Al Ca F O Si Ti

Structural Groups for minerals in this locality:
Calcite Clay Corundum Fluorite Magnetoplumbite Mica None Pyroxene Spinel Titanite
Zircon

10 IMA Minerals at location:

Calcite ()*	Corundum ()*	Diopside ()*	Fluorite ()*	Hibonite ()*
Phlogopite ()*	Spinel ()*	Thorianite ()*	Titanite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	78709	27770
Corundum ()*	Corundum	Al₂O₃	0		1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	78709	4135
Fluorite ()*	Fluorite	CaF₂	0		9617
Hibonite ()*	Magnetoplumbite	CaAl₁₂O₁₉	0		80
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	78709	2273
Spinel ()*	Spinel	MgAl₂O₄	1	78709	1934
Thorianite ()*	Fluorite	ThO₂	3	78709,78710,78711	236
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899
Zircon ()*	Zircon	Zr(SiO₄)	1	78709	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...