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Compiled by: Jacques LeBlanc (2022), Stratigraphic Lexicon: The Sedimentary Formations of The Republic of Niger, Africa. Colnes Publishing (Tallin, Estonia), 365 pp. For more information see "About"

Welcome to the Niger Lexicon of Stratigraphic Units!
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Manga Fm
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Korama Fm
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Tafassasset Fm
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Chad Fm
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Birni N’Konni Fm
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Ader Doutchi Fm
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Boulakoura Fm
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Dollé Fm
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Homodji Fm
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Sokor 2 Fm
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Zaouzaoua Fm
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Dallols Gr
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Garadaoua Fm
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Sokor 1 Fm
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In Wagar Fm
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Termit Fm
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Totomaye Fm
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Farin Doutchi Fm
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Bilma Fm
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Emi Bao Fm
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Galhama Fm
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Madama Fm
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Alanbanya Fm
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Majias Gr
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Yogou Fm
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Agadem Fm
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Dambanza Fm
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Ibeceten Fm
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Kafra Fm
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Séguédine Fm
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Aschia-Tinamou Fm
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Doutchin-Zana Fm
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Gangara Fm
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White Limestone Fm
Arentigué Fm
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Béréré Fm
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Damergou Gr
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Iguéllala Mountains Fm
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Kandel Bouzou Fm
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Zoo Baba Fm
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Koutous Gr
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Farak Fm
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Alanlara Fm
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Cheffadène Fm
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Donga Fm
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Ezerza Fm
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Achegour Fm
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Echkar Fm
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Tanguérat Fm
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Elrhaz Fm
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Dibella Fm
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Fachi Fm
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Oleki Fm
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Tagrezou Fm
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Tiffa Fm
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Angornakouer Fm
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K1 Fm
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Téfidet Gr
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Tazolé Fm
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Tégama Gr
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Msak Fm
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Tiouraren Fm
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Irhazer Fm
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Irhazer Gr
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Assaouas Fm
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Tchirezrine Fm
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Mousseden Fm
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Taouratine Fm
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Zarzaitine Fm
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Agadez Gr
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Teloua Fm
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Moradi Fm
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Tamamaït Fm
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Téjia Fm
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Izégouandane Gr
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Izégouande Fm
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Arlit Fm
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Madaouela Fm
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Tiguentourine Fm
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Dimbabah Fm
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Tarat Fm
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Tchinezogue Fm
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Assedjefar Fm
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Guezouman Fm
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Tagora Gr
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Talak Fm
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Aoulingen Fm
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Tim Mersoï Fm
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Marar Fm
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Complexe Doleritique d’In Debirene Fm
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Terada Gr
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Teragh Fm
Tindirenen Fm
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Farrazekat Fm
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Taberia Fm
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Awaynat Wanin Fm
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Tin Séririne Fm
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Wan Kasa Fm
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Anou Izileg Fm
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Tadrart Fm
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Akakus Fm
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Efeimazerta Fm
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Graptolite Shales Fm
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Tanzuft Fm
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Kandi Fm
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Chirfa Fm
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Terminal Complex Fm
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In-Azaoua Fm
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Hawaz Fm
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Ash Shabiyat Fm
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Tindi Fm
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Gargaf Gr
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Hasawnah Fm
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In-Azaoua Gr
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Timesgar Fm
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Mourizidié Fm