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:
Bekorobo, Betroka, Anosy, Madagascar

mindat Locality ID: 300424
mindat URL: http://www.mindat.org/loc-300424.html

Tectonic Settings:

Total number of sublocalities beneath "Bekorobo, Betroka, Anosy, Madagascar": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Ambatomena Toby
Ampasimainty

Latitude: 23°49'18"S
Longitude: 45°48'36"E
Decimal Degree (lat, lon): -23.821666666667,45.81

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.

Clay	Corundum	Mica	Molybdenite	None	Not in a structural group	Prehnite	Pyrophyllite	Pyroxene	Quartz
Spinel

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 K Mg Mo O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Corundum Mica Molybdenite None Not in a structural group Prehnite Pyrophyllite Pyroxene Quartz
Spinel

10 IMA Minerals at location:

Corundum ()*	Diopside ()*	Hercynite ()*	Magnetite ()*	Molybdenite ()*
Phlogopite ()*	Prehnite ()*	Pyrophyllite ()*	Quartz ()*	Sillimanite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Corundum ()*	Corundum	Al₂O₃	1	78803	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	78802	4135
Hercynite ()*	Spinel	Fe²⁺Al₂O₄	1	78803	407
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	78803	14899
Molybdenite ()*	Molybdenite	MoS₂	1	78802	5800
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	78802	2273
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	78802	1898
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	1	78802	771
Quartz ()*	Quartz	SiO₂	1	78803	61156
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	78803	1516

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...