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:
Anjozorobe, Analamanga, Madagascar

mindat Locality ID: 157734
mindat URL: http://www.mindat.org/loc-157734.html

Tectonic Settings:

Total number of sublocalities beneath "Anjozorobe, Analamanga, Madagascar": 13
Total number of bottom-level sublocalities: 9

Number of Child Localities: 8
Child Localities:
Ambatomanoina Commune
Amboasary
Ambohimirary
Analaroa
Antanetibe
Beronono
Maroankora
Marotsipoy

Latitude: 18°20'24"S
Longitude: 47°50'59"E
Decimal Degree (lat, lon): -18.34,47.849722222222

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	Feldspar	Garnet	Mica	None	Olivine	Quartz
Rutile	Scheelite	Smectite-vermiculite	Spinel	Thortveitite	Tourmaline	Zircon

Beryl ()*	Chrysoberyl ()*	Columbite-(Fe) ()*	Euxenite-(Y) ()*	Fergusonite-(Y) ()*
Hematite ()*	Ilmenite ()*	Magnetite ()*	Microcline ()*	Muscovite ()*
Phlogopite ()*	Quartz ()*	Rutile ()*	Samarskite-(Y) ()*	Schorl ()*
Spessartine ()*	Thortveitite ()*	Vermiculite ()*	Xenotime-(Y) ()*	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 B Be Ca Ce Fe H K Mg Mn Na Nb O P Sc Si Ta Th Ti U Y Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Clay Columbite Corundum Feldspar Garnet Mica None Olivine Quartz
Rutile Scheelite Smectite-vermiculite Spinel Thortveitite Tourmaline Zircon

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	3	78524,78525,78527	4286
Chrysoberyl ()*	Olivine	BeAl₂O₄	2	78517,78525	321
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	1	78524	518
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	2	78515,78524	414
Fergusonite-(Y) ()*	Scheelite	YNbO₄	1	78524	196
Hematite ()*	Corundum	Fe₂O₃	3	78516,78524,78527	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	78524	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	78524	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	78524	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	78524	17380
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	78519	2273
Quartz ()*	Quartz	SiO₂	5	78516,78517,78524,78525,78527	61156
Rutile ()*	Rutile	TiO₂	1	78524	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1	78524	353
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	78524	2705
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	2	78524,78527	1214
Thortveitite ()*	Thortveitite	Sc₂Si₂O₇	1	78524	54
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	2	78519,78524	652
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	78524	939
Zircon ()*	Zircon	Zr(SiO₄)	1	78524	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...