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Antsakoa I pegmatite, Berere Pegmatite Field, Bekapaika Commune, Tsaratanàna, Betsiboka, Madagascari
Regional Level Types
Antsakoa I pegmatitePegmatite
Berere Pegmatite FieldPegmatite Field
Bekapaika CommuneCommune
TsaratanànaDistrict
BetsibokaRegion
MadagascarCountry

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Name(s) in local language(s):Antsakoa I, Pegmatitan' i Berere, Distrikan'i Tsaratanána, Faritr'i Betsiboka, Faritanin'i Mahajanga, Madagasikara
Latitude & Longitude (WGS84): 16° 38' 7'' South , 47° 24' 6'' East
Latitude & Longitude (decimal): -16.63528,47.40194
GeoHash:G#: mj19qeth3
Locality type:Pegmatite
Köppen climate type:Am : Tropical monsoon climate


A granite LCT pegmatite, Beryll-Columbite subtype that has been worked for Beryl. The pegmatite was zonated and measured 200 x 60 m. It is now exhausted. This was the main locality in the Berere Pegmatite Field and is situated 600 m NW of the village Berere, 40km NE of Tsaratanana.

The coordinates are not verified by visit at the spot.

Regions containing this locality

Mahajanga Province (Majunga), Madagascar

Province - 184 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals. 2 (TL) - type locality of 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: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, 59
Beryl
Formula: Be3Al2(Si6O18)
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
'Biotite'
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 Geologique nr 82, Service Geologique, Tananarive
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
'Feldspar Group'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV,p 134
'Feldspar Group var: Perthite'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV,p 134
'Fergusonite'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
'Garnet Group'
Formula: X3Z2(SiO4)3
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 Geologique nr 82, Service Geologique, Tananarive
'Halloysite'
Formula: Al2(Si2O5)(OH)4
Colour: white, yellowish brown
Description: Crust on petscheckite together with liandratite and a pyrochlore group mineral
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Ilmenite
Formula: Fe2+TiO3
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
Liandratite (TL)
Formula: U(Nb,Ta)2O8
Type Locality:
Colour: yellow to brown
Description: As a 2mm thick crust on petscheckite
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
'Monazite'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
'Pegmatite'
Reference: Automatically generated from locality name
Petscheckite (TL)
Formula: UFe(Nb,Ta)2O8
Type Locality:
Colour: black
Description: As metamict crystals up to 4 cm long and 2 cm thick with a greybrowh\n, brown, yellow or white crust of varying thickness.
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Petscheckite var: Hydroxy-petscheckite
Formula: U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Petscheckite var: Oxy-petscheckite
Formula: UFe3+2/31/3(Nb,Ta)2O8
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Description: A fingrained crust on petscheckite together with liandratite and halloysite
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
'Pyrochlore Supergroup var: Betafite (of Hogarth 1977)'
Formula: A2-mD2X6-wZ1+w
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV,p 59
Quartz
Formula: SiO2
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV,p 134
Quartz var: Rose Quartz
Formula: SiO2
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Rutile
Formula: TiO2
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Rutile var: Strüverite
Formula: (Ti,Ta,Fe)O2
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
Zircon
Formula: Zr(SiO4)
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59

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
Ilmenite4.CB.05Fe2+TiO3
Liandratite (TL)4.DH.35U(Nb,Ta)2O8
'Petscheckite' (TL)4.DH.35UFe(Nb,Ta)2O8
var: Hydroxy-petscheckite4.DH.35U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
var: Oxy-petscheckite4.DH.35UFe3+2/31/3(Nb,Ta)2O8
'Quartz'4.DA.05SiO2
var: Rose Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
var: Strüverite4.DB.05(Ti,Ta,Fe)O2
Samarskite-(Y)4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Halloysite'9.ED.10Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Feldspar Group'-
'var: Perthite'-
'Fergusonite'-
'Garnet Group'-X3Z2(SiO4)3
Monazite-
Pegmatite-
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
'var: Betafite (of Hogarth 1977)'-A2-mD2X6-wZ1+w
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
var: Strüverite4.4.1.3(Ti,Ta,Fe)O2
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Liandratite (TL)8.1.9.1U(Nb,Ta)2O8
Petscheckite (TL)8.1.9.2UFe(Nb,Ta)2O8
Samarskite-(Y)8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
A2B2O6(O,OH,F)
'Pyrochlore Supergroup
var: Betafite (of Hogarth 1977)'
8.2.3.1A2-mD2X6-wZ1+w
AB2O6
Euxenite-(Y)8.3.8.2(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
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 1:1 layers
'Halloysite'71.1.1.4Al2(Si2O5)(OH)4
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, Rocks, etc.
'Biotite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Feldspar Group'-
'var: Perthite'-
'Fergusonite'-
'Garnet Group'-X3Z2(SiO4)3
'Monazite'-
'Pegmatite'-
Petscheckite
var: Hydroxy-petscheckite
-U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
var: Oxy-petscheckite-UFe3+2/31/3(Nb,Ta)2O8
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
Quartz
var: Rose Quartz
-SiO2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H HalloysiteAl2(Si2O5)(OH)4
H Petscheckite (var: Hydroxy-petscheckite)U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O BerylBe3Al2(Si6O18)
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O Garnet GroupX3Z2(SiO4)3
O HalloysiteAl2(Si2O5)(OH)4
O Petscheckite (var: Hydroxy-petscheckite)U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
O IlmeniteFe2+TiO3
O LiandratiteU(Nb,Ta)2O8
O MuscoviteKAl2(AlSi3O10)(OH)2
O Petscheckite (var: Oxy-petscheckite)UFe3+2/31/3(Nb,Ta)2O8
O PetscheckiteUFe(Nb,Ta)2O8
O QuartzSiO2
O Quartz (var: Rose Quartz)SiO2
O RutileTiO2
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
O SpessartineMn32+Al2(SiO4)3
O Rutile (var: Strüverite)(Ti,Ta,Fe)O2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al HalloysiteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si Garnet GroupX3Z2(SiO4)3
Si HalloysiteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Quartz (var: Rose Quartz)SiO2
Si SpessartineMn32+Al2(SiO4)3
Si ZirconZr(SiO4)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
TiTitanium
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti Rutile (var: Strüverite)(Ti,Ta,Fe)O2
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe Petscheckite (var: Hydroxy-petscheckite)U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
Fe IlmeniteFe2+TiO3
Fe Petscheckite (var: Oxy-petscheckite)UFe3+2/31/3(Nb,Ta)2O8
Fe PetscheckiteUFe(Nb,Ta)2O8
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Fe Rutile (var: Strüverite)(Ti,Ta,Fe)O2
YYttrium
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Petscheckite (var: Hydroxy-petscheckite)U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
Nb LiandratiteU(Nb,Ta)2O8
Nb Petscheckite (var: Oxy-petscheckite)UFe3+2/31/3(Nb,Ta)2O8
Nb PetscheckiteUFe(Nb,Ta)2O8
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
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
Ta Petscheckite (var: Hydroxy-petscheckite)U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
Ta LiandratiteU(Nb,Ta)2O8
Ta Petscheckite (var: Oxy-petscheckite)UFe3+2/31/3(Nb,Ta)2O8
Ta PetscheckiteUFe(Nb,Ta)2O8
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Ta Rutile (var: Strüverite)(Ti,Ta,Fe)O2
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
U Petscheckite (var: Hydroxy-petscheckite)U4+(Fe3+1/3,☐≥2/3)(Nb,Ta)2O≤7(OH)≥1
U LiandratiteU(Nb,Ta)2O8
U Petscheckite (var: Oxy-petscheckite)UFe3+2/31/3(Nb,Ta)2O8
U PetscheckiteUFe(Nb,Ta)2O8
U Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neoarchean
2500 - 2800 Ma



ID: 3191919
Archean intrusive rocks

Age: Neoarchean (2500 - 2800 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoarchean
2800 - 3200 Ma



ID: 3306527

Age: Mesoarchean (2800 - 3200 Ma)

Lithology: Metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

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 Geologique nr 82, Service Geologique, Tananarive
Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, 59 + 134-135
Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946

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