Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	Oxygen
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Corundum	Al₂O₃
Al	Aluminium
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Corundum	Al₂O₃
Si	Silicon
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)

Fossils

There are 3 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

166 Ma (Middle Jurassic)

Oldest Fossil Listed

296 Ma (Permian)

Stratigraphic Units

Unit	No. Occurrences	Age
Sakamena - Lower Sakamena	4	259.9 - 252.17 Ma (Permian)
Sakoa - Sakoa	6	295.5 - 279.3 Ma (Permian)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Stylina genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Stylinidae : *Stylina*	168.3 - 166.1 Ma Middle Jurassic
Lochmaeosmilia trapeziformis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Amphiastreidae : Lochmaeosmilia : *Lochmaeosmilia trapeziformis*	168.3 - 166.1 Ma Middle Jurassic
Stylina dubia species	Animalia : Cnidaria : Anthozoa : Scleractinia : Stylinidae : Stylina : *Stylina dubia*	168.3 - 166.1 Ma Middle Jurassic
Parisastraea collignoni species	Animalia : Cnidaria : Anthozoa : Scleractinia : Merulinidae : Isastraea : *Parisastraea collignoni*	168.3 - 166.1 Ma Middle Jurassic
Vallimeandra brachyserioides species	Animalia : Cnidaria : Anthozoa : Scleractinia : Latomeandridae : Vallimeandra : *Vallimeandra brachyserioides*	168.3 - 166.1 Ma Middle Jurassic
Stylina madagascariensis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Stylinidae : Stylina : *Stylina madagascariensis*	168.3 - 166.1 Ma Middle Jurassic
Vallimeandra mikaikarivensis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Latomeandridae : Vallimeandra : *Vallimeandra mikaikarivensis*	168.3 - 166.1 Ma Middle Jurassic
Placophyllia mikaikarivensis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Placophyllia : *Placophyllia mikaikarivensis*	168.3 - 166.1 Ma Middle Jurassic
Glossopteris genus	Plantae : Tracheophyta : Rigbyaceae : *Glossopteris*	295.5 - 254.17 Ma Permian
Voltzia genus	Plantae : Pinophyta : Voltziopsida : Voltziales : Voltziaceae : *Voltzia*	265.1 - 254.17 Ma Permian
Phyllotheca genus	Plantae : Pteridophyta : *Phyllotheca*	265.1 - 254.17 Ma Permian
Schizoneura genus	Plantae : Tracheophyta : Polypodiopsida : Equisetales : *Schizoneura*	295.5 - 279.3 Ma Permian

Fossil Localities

Click to show 3 fossil localities

Madagascar

Atsimo-Andrefana
- Betioky District
  - Beantake
    - Middle Jurassic🐚 Anontsy
    - Middle Jurassic🐚 Mikaikarivo
    - Permian🐚 Sakamena

Other Databases

GeoNames ID:	11927766

Localities in this Region

Madagascar

Atsimo-Andrefana
- Betioky District
  - Beantake
    - Miary

Other Regions, Features and Areas that Intersect

AfricaContinent

African Plate

Bekily BlockShield
Morondava basinBasin

Somali PlateTectonic Plate

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.

Quick NavTop Mineral List Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 4, 2026 00:07:15 Page updated: August 25, 2025 12:29:16

Go to top of page

Beantake, Betioky District, Atsimo-Andrefana, MadagascariRegional Level TypesBeantakeCommune Betioky DistrictDistrict Atsimo-AndrefanaRegion MadagascarCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

Beantake, Betioky District, Atsimo-Andrefana, Madagascar i
Regional Level Types
Beantake Commune
Betioky District District
Atsimo-Andrefana Region
Madagascar Country