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:
Djangoa Commune, Ambanja, Diana, Madagascar

Oldest recorded age at locality: 24.12
Youngest recorded age at locality: 23.52

mindat Locality ID: 302160
mindat URL: http://www.mindat.org/loc-302160.html

Tectonic Settings:

Total number of sublocalities beneath "Djangoa Commune, Ambanja, Diana, Madagascar": 4
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Andamby
Manongarivo Massif

Latitude: 13°46'32"S
Longitude: 48°21'2"E
Decimal Degree (lat, lon): -13.775555555556,48.350555555556

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.

Brookite	Corundum	None	Not in a structural group	Quartz	Wöhlerite	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 Ca F Fe Mn Na Nb O P Si Ti Y Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Brookite Corundum None Not in a structural group Quartz Wöhlerite Zircon

6 IMA Minerals at location:

Anatase ()*	Brookite ()*	Corundum ()*	Låvenite ()*	Quartz ()*
Xenotime-(Y) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	24.12	23.52	1	79283	2162
Brookite ()*	Brookite	TiO₂	24.12	23.52	1	79283	700
Corundum ()*	Corundum	Al₂O₃	24.12	23.52	1	79281	1797
Låvenite ()*	Wöhlerite	(Na,Ca)₄(Mn²⁺,Fe²⁺)₂(Zr,Ti,Nb)₂(Si₂O₇)₂(O,F)₄	24.12	23.52	1	79282	58
Quartz ()*	Quartz	SiO₂	24.12	23.52	1	79281	61156
Xenotime-(Y) ()*	Zircon	Y(PO₄)	24.12	23.52	1	79282	939

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Alexandra-0180	24.12	23.52	23.82 ± 0.3		Age of alkaline dyke					Yes				73116	Ampasibitika, Antsirabe, Ambanja, Diana, Madagascar	Ampasibitika	Estrade et al. (2014)	10.1016/j.jafrearsci.2013.06.008	JAES94_141

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...