Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Anorthosite from
Meugueur-Meugueur Ring Dike, Arlit, Agadez, Niger


Locality type:Ring Dyke
Classification
Type:Anorthosite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anorthosite data
Locality Data:Click here to view Meugueur-Meugueur Ring Dike, Arlit, Agadez, Niger
Data Identifiers
Mindat Occurrence Record ID:1433035
Long-form Identifier:1:3:1433035:1
GUID (UUID V4):0
Nearest other occurrences of Anorthosite
10.5km (6.5 miles) ⓘOfoud Complex, Arlit, Agadez, Niger
17.5km (10.9 miles) ⓘTaguei Complex, Arlit, Agadez, Niger
31.5km (19.6 miles) ⓘTamgak Intrusion, Arlit, Agadez, Niger
54.1km (33.6 miles) ⓘAbontorok Intrusion, Arlit, Agadez, Niger
83.6km (51.9 miles) ⓘIskou ring complex, Agadez, Niger
References
Bowden, P., Van Breemen, O., Hutchinson, J., & Turner, D. C. (1976). Palaeozoic and Mesozoic age trends for some ring complexes in Niger and Nigeria. Nature, 259(5541), 297-299. doi.org/10.1038/259297a0
Husch, J. M., & Moreau, C. (1982). Geology and major element geochemistry of anorthositic rocks associated with Paleozoic hypabyssal ring complexes, Air massif, Niger, West Africa. Journal of Volcanology and Geothermal Research, 14(1-2), 47-66. doi.org/10.1016/0377-0273(82)90042-7
Moreau, C., Brown, W., Demaiffe, D., Dupont, P. L., & Rocci, G. (1986). Un des plus grands ring-dykes du monde: le Meugueur-Meugueur, massif de l'Aïr, République du Niger. Comptes rendus de l'Académie des sciences. Série 2, Mécanique, Physique, Chimie, Sciences de l'univers, Sciences de la Terre, 302(5), 223-226.
Moreau, C., Demaiffe, D., Bellion, Y., & Boullier, A. M. (1994). A tectonic model for the location of Palaeozoic ring complexes in Air (Niger, West Africa). Tectonophysics, 234(1-2), 129-146. doi.org/10.1016/0040-1951(94)90208-9
Moreau, C., Ohnenstetter, D., Diot, H., Demaiffe, D., Brown, W. L., Baer, G., & Heimann, A. (1995). Emplacement of the Meugueur-Meugueur cone-sheet (Niger, W. Africa), one of the world's largest igneous ring-structures. Physics and Chemistry of Dykes, 41-49.
 
and/or  
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: October 19, 2026 07:25:46
Go to top of page