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:
Fotadrevo, Ampanihy, Atsimo-Andrefana, Madagascar

mindat Locality ID: 158084
mindat URL: http://www.mindat.org/loc-158084.html

Tectonic Settings:

Total number of sublocalities beneath "Fotadrevo, Ampanihy, Atsimo-Andrefana, Madagascar": 14
Total number of bottom-level sublocalities: 12

Number of Child Localities: 11
Child Localities:
Ambalasaraka
Amindrevory
Anavoha South
Ankafotia
Antsohamamy Labradorite Quarry
Benonoky Labradorite Quarry
Besakoa
Green Giant Vanadium Property
Molo Graphite Deposit
Mt Emanako
Vohibava

Latitude: 23°56'44"S
Longitude: 45°7'10"E
Decimal Degree (lat, lon): -23.945555555556,45.119444444444

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.

Amphibole	Berdesinskiite	Beryl	Calcite	Chabazite	Chlorite	Clay	Corundum	Feldspar	Garnet
Gypsum	Kaolinite	Marcasite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Olivine	Pyrite
Pyroxene	Quartz	Rocksalt	Rutile	Schreyerite	Serpentine	Smectite-vermiculite	Spinel	Talc	Titanite
Tourmaline

Actinolite ()*	Alabandite ()*	Albite ()*	Anorthite ()*	Augite ()*
Beryl ()*	Calcite ()*	Chabazite-Ca ()*	Chrysoberyl ()*	Chrysotile ()*
Clinochlore ()*	Corundum ()*	Diopside ()*	Dravite ()*	Enstatite ()*
Goldmanite ()*	Graphite ()*	Gypsum ()*	Hematite ()*	Ilmenite ()*
Kaolinite ()*	Karelianite ()*	Laumontite ()*	Magnetite ()*	Marcasite ()*
Molybdenite ()*	Montmorillonite ()*	Muscovite ()*	Oxyvanite ()*	Phlogopite ()*
Pyrite ()*	Pyrope ()*	Pyrrhotite ()*	Quartz ()*	Rutile ()*
Schreyerite ()*	Siderite ()*	Sillimanite ()*	Spinel ()*	Talc ()*
Titanite ()*	Tremolite ()*	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 B Be C Ca Fe H K Mg Mn Mo Na O S Si Ti V

Elements from minerals reported directly at this locality: Al Be O

Structural Groups for minerals in this locality:
Amphibole Berdesinskiite Beryl Calcite Chabazite Chlorite Clay Corundum Feldspar Garnet
Gypsum Kaolinite Marcasite Mica Molybdenite Nickeline None Not in a structural group Olivine Pyrite
Pyroxene Quartz Rocksalt Rutile Schreyerite Serpentine Smectite-vermiculite Spinel Talc Titanite
Tourmaline

43 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	78972	3419
Alabandite ()*	Rocksalt	MnS	2	78972,78974	312
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	78968	8803
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	4	78968,78969,78970,78972	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2	78968,78972	2060
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	78966	4286
Calcite ()*	Calcite	Ca(CO₃)	1	78972	27770
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O	1	78972	310
Chrysoberyl ()*	Olivine	BeAl₂O₄	0		321
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	3	78964,78965,78977	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	78972	1756
Corundum ()*	Corundum	Al₂O₃	2	78967,78976	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	78972	4135
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	78972	648
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	78968	944
Goldmanite ()*	Garnet	Ca₃V³⁺₂(SiO₄)₃	1	78972	31
Graphite ()*	None	C	3	78972,78974,78975	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	78972	6890
Hematite ()*	Corundum	Fe₂O₃	1	78972	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	78968	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	78972	5591
Karelianite ()*	Corundum	V₂O₃	2	78972,78974	17
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	78972	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	78968	14899
Marcasite ()*	Marcasite	FeS₂	1	78972	5674
Molybdenite ()*	Molybdenite	MoS₂	1	78972	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	78972	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	78972	17380
Oxyvanite ()*	Berdesinskiite	V³⁺₂V⁴⁺O₅	1	78974	4
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2	78972,78974	2273
Pyrite ()*	Pyrite	FeS₂	2	78972,78974	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	1	78972	341
Pyrrhotite ()*	Nickeline	Fe₇S₈	2	78972,78974	9056
Quartz ()*	Quartz	SiO₂	2	78966,78972	61156
Rutile ()*	Rutile	TiO₂	2	78972,78974	5614
Schreyerite ()*	Schreyerite	V³⁺₂Ti⁴⁺₃O₉	1	78974	10
Siderite ()*	Calcite	Fe(CO₃)	1	78972	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	78972	1516
Spinel ()*	Spinel	MgAl₂O₄	1	78972	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	78972	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	1	78972	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	78972	2562
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1	78972	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...