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Ferrohögbomite-2N2S occurrence, Soamatasy, Ihosy, Ihorombe, Madagascari
Regional Level Types
Ferrohögbomite-2N2S occurrenceOccurrence
SoamatasyCommune
IhosyDistrict
IhorombeRegion
MadagascarCountry

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Name in Malagasy:Toerana misy Ferrohögbomite-2N2S, Kaominin'i Soamatasy, Distrikan' Ihosy, Faritr' Ihorombe, Madagasikara
Latitude & Longitude (WGS84): 22° 42' 21'' South , 46° 8' 22'' East
Latitude & Longitude (decimal): -22.70611,46.13972
GeoHash:G#: m5bycfmzm
Locality type:Occurrence
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Ihosy16,990 (2018)33.7km
Ambalasoa4,000 (2018)47.8km


Ferrohögbomite-2N2S-bearing spinel–garnet–cordierite–sillimanite-bearing metapelite (pelitic gneisses with marked compositional layering) in the the northern parts of the Betroka belt (geological unit), southern Madagascar.

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Fianarantsoa Province, MadagascarProvince

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 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:

Corundum
Formula: Al2O3
Reference: Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R. & Rambeloson, R.A. (2010): Widespread Occurrences of Högbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology: 51 (4):869–895
Ferrohögbomite-2N2S
Formula: [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Reference: Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R. & Rambeloson, R.A. (2010): Widespread Occurrences of Högbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology: 51 (4):869–895
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R. & Rambeloson, R.A. (2010): Widespread Occurrences of Högbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology: 51 (4):869–895
Spinel
Formula: MgAl2O4
Reference: Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R. & Rambeloson, R.A. (2010): Widespread Occurrences of Högbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology: 51 (4):869–895

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Ferrohögbomite-2N2S4.00.[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Spinel4.BB.05MgAl2O4
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Unclassified Minerals, Mixtures, etc.
Ferrohögbomite-2N2S-[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
OOxygen
O Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
O SpinelMgAl2O4
O CorundumAl2O3
O Garnet GroupX3Z2(SiO4)3
MgMagnesium
Mg Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Mg SpinelMgAl2O4
AlAluminium
Al Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Al SpinelMgAl2O4
Al CorundumAl2O3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
TiTitanium
Ti Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
FeIron
Fe Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
ZnZinc
Zn Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2

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

Paleoproterozoic
1600 - 2500 Ma



ID: 3191055
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 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: 3306489

Age: Rhyacian (2050 - 2300 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)
Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R. & Rambeloson, R.A. (2010): Widespread Occurrences of Högbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology: 51 (4):869–895, https://doi.org/10.1093/petrology/egq004


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.
 
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