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Betanimena pegmatite, Mampikony District, Sofia Region, Mahajanga Province (Majunga), Madagascar

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Latitude & Longitude (WGS84): 16° 20' 52'' South , 47° 33' 28'' East
Latitude & Longitude (decimal): -16.34778,47.55778
GeoHash:G#: mj1ffpyx2
Locality type:Pegmatite
Köppen climate type:Am : Tropical monsoon climate
Name(s) in local language(s):Betanimena, Distrikan'i Mampikony, Faritr'i Sofia, Faritanin'i Mahajanga, Madagasikara


A granite pegmatite worked for beryl situated about 50 km N of the town of Tsaratanana.

Coordinates are not verified.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 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:

Beryl
Formula: Be3Al2(Si6O18)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Feldspar Group'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
'Feldspar Group var: Perthite'
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
Ilmenite
Formula: Fe2+TiO3
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
Ixiolite
Formula: (Ta,Nb,Sn,Fe,Mn)4O8
Reference: Bull. Geol.Soc.Finland 41,75-77 (1969)
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
Microlite Group
Formula: A2-mTa2X6-wZ-n
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
'Pegmatite'
Reference: Automatically generated from locality name
Quartz
Formula: SiO2
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Tapiolite'
Formula: (Fe,Mn)(Ta,Nb)2O6
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Xenotime-(Y)
Formula: Y(PO4)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Zircon
Formula: Zr(SiO4)
Reference: Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 60

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Ilmenite'4.CB.05Fe2+TiO3
'Ixiolite'4.DB.25(Ta,Nb,Sn,Fe,Mn)4O8
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Microlite Group'4.00.A2-mTa2X6-wZ-n
'Quartz'4.DA.05SiO2
'Samarskite-(Y)'4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Group 8 - Phosphates, Arsenates and Vanadates
'Xenotime-(Y)'8.AD.35Y(PO4)
Group 9 - Silicates
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
'Zircon'9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Pegmatite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Tapiolite'-(Fe,Mn)(Ta,Nb)2O6

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Ixiolite8.1.10.1(Ta,Nb,Sn,Fe,Mn)4O8
Samarskite-(Y)8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
A2B2O6(O,OH,F)
Microlite Group8.2.2.1A2-mTa2X6-wZ-n
Group 51 - NESOSILICATES Insular SiO4 Groups Only
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 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
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Pegmatite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Tapiolite'-(Fe,Mn)(Ta,Nb)2O6
Xenotime-(Y)-Y(PO4)

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
OOxygen
O BerylBe3Al2(Si6O18)
O Garnet GroupX3Z2(SiO4)3
O IlmeniteFe2+TiO3
O Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O Tapiolite(Fe,Mn)(Ta,Nb)2O6
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si BerylBe3Al2(Si6O18)
Si Garnet GroupX3Z2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si ZirconZr(SiO4)
PPhosphorus
P Xenotime-(Y)Y(PO4)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
TiTitanium
Ti IlmeniteFe2+TiO3
MnManganese
Mn Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
Mn Tapiolite(Fe,Mn)(Ta,Nb)2O6
FeIron
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
Fe Tapiolite(Fe,Mn)(Ta,Nb)2O6
YYttrium
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
Nb Tapiolite(Fe,Mn)(Ta,Nb)2O6
TaTantalum
Ta Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6
Ta Tapiolite(Fe,Mn)(Ta,Nb)2O6
ThThorium
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
UUranium
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)
Behier, J. (1963) Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871.
Besaire, H. (1966) Gîtes minéraux de Madagascar. Annales Géologiques de Madagascar, 34, 60;135.


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