ALMOST THERE!. Help us with a final push needed to keep mindat.org running. Click here to help.
Catawiki are hosting a mindat.org benefit auction. All proceeds to mindat.org! BID NOW
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Sarodivotra, Anjanabonoina pegmatites, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Latitude & Longitude (WGS84): 19° 55' 12'' South , 46° 32' 2'' East
Latitude & Longitude (decimal): -19.92010,46.53415
GeoHash:G#: mh3ndvtjh
Locality type:Pegmatite
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters


Discovered when the outcrop was exposed by a torrential rain in March 1995. A significant vein of pegmatite in a locality called Sarodivotra by local miners. One of the Anjanabonoina pegmatite bodies. A pegmatite with an NYF geochemical signature (De Vito et al., 2006).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 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: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Colour: Black
Description: Occurs in large plates.
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.; De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
Beryl
Formula: Be3Al2(Si6O18)
Colour: Blue
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Danburite
Formula: CaB2Si2O8
Description: altered danburite is observed in the reaction-zone at the contact with the host rock (marble)
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
'Dravite-Schorl Series'
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
'Elbaite-Liddicoatite Series'
Description: As a purple to green thin owergrowth on crystals of schorl-dravite
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Fersmite
Formula: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
'K Feldspar'
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
'Marble'
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
Microcline
Formula: K(AlSi3O8)
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Microlite Group
Formula: A2-mTa2X6-wZ-n
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
'Pegmatite'
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
Pyrochlore Group
Formula: A2Nb2(O,OH)6Z
Description: first-generation, homogeneous = > uranoan pyrochlore
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Pyrochlore Supergroup
Formula: A2-mD2X6-wZ1-n
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Pyrochlore Supergroup var: Betafite (of Hogarth 1977)
Formula: A2-mD2X6-wZ1+w
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Quartz
Formula: SiO2
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
Zircon
Formula: Zr(SiO4)
Habit: sprays up to 5 cm across
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Fersmite4.DG.05(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Microlite Group4.00.A2-mTa2X6-wZ-n
Pyrochlore Group4.00.A2Nb2(O,OH)6Z
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Danburite9.FA.65CaB2Si2O8
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Dravite-Schorl Series-
Elbaite-Liddicoatite Series-
K Feldspar-
Marble-
Pegmatite-
Pyrochlore Supergroup-A2-mD2X6-wZ1-n
var: Betafite (of Hogarth 1977)-A2-mD2X6-wZ1+w

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
Microlite Group8.2.2.1A2-mTa2X6-wZ-n
Pyrochlore Group8.2.1.1A2Nb2(O,OH)6Z
Pyrochlore Supergroup
var: Betafite (of Hogarth 1977)
8.2.3.1A2-mD2X6-wZ1+w
AB2O6
Fersmite8.3.3.1(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups
Danburite56.3.1.1CaB2Si2O8
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
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
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)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Dravite-Schorl Series'-
'Elbaite-Liddicoatite Series'-
'K Feldspar'-
'Marble'-
Microcline
var: Amazonite
-K(AlSi3O8)
'Pegmatite'-
Pyrochlore Supergroup-A2-mD2X6-wZ1-n
Quartz
var: Smoky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H AnniteKFe32+(AlSi3O10)(OH)2
H Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
H Pyrochlore GroupA2Nb2(O,OH)6Z
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B DanburiteCaB2Si2O8
OOxygen
O AlbiteNa(AlSi3O8)
O Microcline (var: Amazonite)K(AlSi3O8)
O AnniteKFe32+(AlSi3O10)(OH)2
O BerylBe3Al2(Si6O18)
O DanburiteCaB2Si2O8
O Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
O MicroclineK(AlSi3O8)
O Pyrochlore GroupA2Nb2(O,OH)6Z
O QuartzSiO2
O Quartz (var: Smoky Quartz)SiO2
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O ZirconZr(SiO4)
FFluorine
F Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
NaSodium
Na AlbiteNa(AlSi3O8)
Na Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
MgMagnesium
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Microcline (var: Amazonite)K(AlSi3O8)
Al AnniteKFe32+(AlSi3O10)(OH)2
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Microcline (var: Amazonite)K(AlSi3O8)
Si AnniteKFe32+(AlSi3O10)(OH)2
Si BerylBe3Al2(Si6O18)
Si DanburiteCaB2Si2O8
Si MicroclineK(AlSi3O8)
Si QuartzSiO2
Si Quartz (var: Smoky Quartz)SiO2
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si ZirconZr(SiO4)
KPotassium
K Microcline (var: Amazonite)K(AlSi3O8)
K AnniteKFe32+(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca DanburiteCaB2Si2O8
Ca Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
TiTitanium
Ti Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
FeIron
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
CeCerium
Ce Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
TaTantalum
Ta Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ta Microlite GroupA2-mTa2X6-wZ-n

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

Ectasian - Calymmian
1200 - 1600 Ma



ID: 3184647
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1200 - 1600 Ma)

Lithology: Crystalline metamorphic 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]

Rhyacian
2050 - 2300 Ma



ID: 3310225

Age: Rhyacian (2050 - 2300 Ma)

Lithology: Plutonic and 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)
De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006) Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 10, 2018 04:09:21 Page generated: September 26, 2018 10:44:07
Go to top of page