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Befilao I, Berere Pegmatite Field, Bekapaika Commune, Tsaratanàna, Betsiboka, Madagascari
Regional Level Types
Befilao IPegmatite
Berere Pegmatite FieldPegmatite Field
Bekapaika CommuneCommune
TsaratanànaDistrict
BetsibokaRegion
MadagascarCountry

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Key
Latitude & Longitude (WGS84):
16° 39' 51'' South , 47° 22' 55'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Tsaratanana16,761 (2018)32.2km
Name(s) in local language(s):
Befilao I, Pegmatitan'i Berere, Distrikan'i Tsaratanána, Faritrr'i Betsiboka, Faritanin'i Mahajanga, Madagasikara


A granite LCT pegmatite, Beryll-Columbite subtype mostly worked for beryl and columbo-tantalite. Zonated. Dimension: 100 x 20 m.

The coordinates are based on the map in Giraud et al. (1957) and not verified by a visit at the locality.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


6 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 59; Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
'Feldspar Group'
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
'Feldspar Group var: Perthite'
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
'Monazite'
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
Quartz
Formula: SiO2
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
Xenotime-(Y)
Formula: Y(PO4)
Reference: Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Feldspar Group'-
'var: Perthite'-
'Monazite'-

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB2O6
Euxenite-(Y)8.3.8.2(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Feldspar Group'-
'var: Perthite'-
'Monazite'-
Xenotime-(Y)-Y(PO4)

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
OOxygen
O BerylBe3Al2(Si6O18)
O QuartzSiO2
O AlbiteNa(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O Xenotime-(Y)Y(PO4)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al BerylBe3Al2(Si6O18)
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si BerylBe3Al2(Si6O18)
Si QuartzSiO2
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
PPhosphorus
P Xenotime-(Y)Y(PO4)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TiTitanium
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
YYttrium
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Xenotime-(Y)Y(PO4)
NbNiobium
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
CeCerium
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betrandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Géologique nr 82, Service Géologique, Tananarive 1957.
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 59

Other Regions, Features and Areas containing this locality

Madagascar
Somali PlateTectonic Plate

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