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:
Amparafaravola, Alaotra-Mangoro, Madagascar

mindat Locality ID: 193341
mindat URL: http://www.mindat.org/loc-193341.html

Tectonic Settings:

Total number of sublocalities beneath "Amparafaravola, Alaotra-Mangoro, Madagascar": 12
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Amboavory
Ambohitrarivo
Amparafaravola Commune
Andilana Nord
Anororo
Morarano Chrome
Vohitsara
Volafolo

Latitude: 17°20'46"S
Longitude: 48°32'26"E
Decimal Degree (lat, lon): -17.346111111111,48.540555555556

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	Feldspar	Garnet	Kaolinite	Mica	Natrolite	None	Olivine
Perovskite	Quartz	Smectite-vermiculite	Spinel

Beryl ()*	Chrysoberyl ()*	Kaolinite ()*	Magnetite ()*	Microcline ()*
Muscovite ()*	Nontronite ()*	Perovskite ()*	Quartz ()*	Samarskite-(Y) ()*
Scolecite ()*	Spessartine ()*	Vermiculite ()*

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 Fe H K Mg Mn Na Nb O Si Ti Y

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Clay Columbite Feldspar Garnet Kaolinite Mica Natrolite None Olivine
Perovskite Quartz Smectite-vermiculite Spinel

13 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	2	78324,78329	4286
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	78324	321
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	78329	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	78329	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	78329	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	78324,78329	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	1	78334	471
Perovskite ()*	Perovskite	CaTiO₃	1	78327	495
Quartz ()*	Quartz	SiO₂	1	78329	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1	78329	353
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	1	78332	390
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	78329	1214
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1	78329	652

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...