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Rhyolite from West Africa

Mali
 
  • Kayes Region
    • Kayes Cercle
Masurel, Q., Thébaud, N., Miller, J., Ulrich, S., Roberts, M. P., & Béziat, D. (2017). The Alamoutala Carbonate-Hosted Gold Deposit, Kédougou-Kénieba Inlier, West Africa. Economic Geology, 112(1), 49-72.
  • Kidal Region
    • Tessalit Cercle
Liégeois, J. P., Sauvage, J. F., & Black, R. (1991). The Permo-Jurassic alkaline province of Tadhak, Mali: geology, geochronology and tectonic significance. Lithos, 27(2), 95-105. doi.org/10.1016/0024-4937(91)90022-D
Ba, H., Black, R., Benziane, B., Diombana, D., Hascoet-Fender, J., Bonin, B., ... & Liégeois, J. P. (1985). La province des complexes annulaires alcalins sursaturés de l'Adrar des Iforas, Mali. Journal of African Earth Sciences (1983), 3(1-2), 123-142. doi.org/10.1016/0899-5362(85)90031-4
Mauritania
 
  • Adrar Region
    • Aoujeft
      • El Gleitat
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • Chinguetti
NETTO, A.M, FABRE, J., POUPEAU, G. & CHAMPENOIS, M. (1992). Datation par traces de fission (TF) de la structure circulaire des Richat (Mauritanie centrale). Comptes Rendus de l'Academie des Sciences, Paris, 314 (Serie II), 1179-1186.
Woldegabriel, Giday, Aronson, James L., Walter, Robert C. (1990) Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102 (4) 439-458 doi:10.1130/0016-7606(1990)102<0439:ggarbd>2.3.co;2
Woolley, A. R., Rankin, A. H., Elliott, C. J., Bishot, A. C., & Niblett, D. (1984). Carbonatite dykes from the Richat dome. Mauritania, and the genesis of the dome: Indian Mineralogist, 189-207.
Dietz, R. S., Fudali, R., & Cassidy, W. (1969). Richât and Semsiyat domes (Mauritania): not astroblemes. Geological Society of America Bulletin, 80(7), 1367-1372. doi.org/10.1130/0016-7606(1969)80[1367:RASDMN]2.0.CO
Blanc, P. & Pomerol, C. 1973. Presence de filons de roches carbonatees a analcime dans la depression de Tin Jouker, Richat, Adrar de Mauritainie. Comptes Rendus de l'Academie des Sciences, Paris, 265D, 2409-2411.
Trompette, R. 1973. Pétrographie des Richât. A - Les delérites de l'Adrar de Mauritanie et le probléme des analcimolites des Richât (Sahara occidentale). Sciences de la Terre. Mémoires, Nancy, 28, 83-95.
  • Assaba Region
    • Mbout
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
  • Tiris Zemmour Region
    • Ain Ben Tili
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • Bel Guerdan
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • Bir Lemjed
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • Blekhzaymat
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • El Hassan Ould Hamed
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • F'dérik
      • Gleibat Tenebsdar
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
      • Tigsmat
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
      • Tourassin
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • Hassi Djebilet
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
    • Oued el Hamra
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
    • Tin Bessais
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
  • Trarza Region
    • Bir Allah
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Marsh, Erin E., Anderson, Eric D., Marsh, Erin E., Anderson, Eric D. (2015) Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91) Open-File Report, 2013 (1280-S) US Geological Survey. doi:10.3133/ofr20131280s
Niger
 
  • Agadez
    • Arlit
Karche, J. P., & Vachette, M. (1978). Age et migration de l'activite magmatique dans les complexes paleozoiques du Niger
Black, R., Jaujou, M. & Pellaton, C. 1967. Notice explicative sur la carte geologique de l'Aïr à l'échelle du 1/500000. Direction des Mines et de la Geologie. Republique du Niger.
consequences. Bulletin de la Société géologique de France, 7(6), 941-953. doi.org/10.2113/gssgfbull.S7-XX.6.941
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
Karche, J. P., & Vachette, M. (1978). Age et migration de l'activite magmatique dans les complexes paleozoiques du Niger
Black, R., Jaujou, M. & Pellaton, C. 1967. Notice explicative sur la carte geologique de l'Aïr à l'échelle du 1/500000. Direction des Mines et de la Geologie. Republique du Niger.
consequences. Bulletin de la Société géologique de France, 7(6), 941-953. doi.org/10.2113/gssgfbull.S7-XX.6.941
    • Tchirozerine
Black, R., Jaujou, M. & Pellaton, C. 1967. Notice explicative sur la carte geologique de l'Aïr à l'échelle du 1/500000. Direction des Mines et de la Geologie. Republique du Niger.
  • Diffa
    • Maïné-Soroa
Garde, G. 1911. Description géologique des regions situées entre le Niger et le Tchad et a l'est et au nord-est du Tchad. These, Université de Clermont-Ferrand. Published by A. Hermann et Fils, Paris.
  • Zinder
    • Mirriah
Bessoles, B., & Trompette, R. (1980). Géologie de l'Afrique: la chaine panafricaine, zone mobile de l'Afrique centrale. Mémoire BRGM, (92).
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
Black, R. (1963). Note sur les complexes annulaires de Tchoni-Zarniski et de Gouré (Niger). Bulletin du Bureau de recherches géologiques et minières, (1), 31-45.
    • Mounio Complex
Bessoles, B., & Trompette, R. (1980). Géologie de l'Afrique: la chaine panafricaine, zone mobile de l'Afrique centrale. Mémoire BRGM, (92).
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
Black, R. (1963). Note sur les complexes annulaires de Tchoni-Zarniski et de Gouré (Niger). Bulletin du Bureau de recherches géologiques et minières, (1), 31-45.
Nigeria
 
  • Kano
    • Doguwa
Imeokparia, E. G. (1983). Lithogeochemical dispersion associated with Ririwai zinc-tin lode, Northern Nigeria. Journal of Geochemical Exploration, 19(1-3), 643-661.
  • Katsina
    • Zango
Rahaman, M. A., Van Breemen, O., Bowden, P., & Bennett, J. N. (1984). Age migrations of anorogenic ring complexes in Northern Nigeria. The Journal of Geology, 92(2), 173-184. doi.org/10.1086/628847
Turner, D. C., & Webb, P. K. (1974). The Daura igneous complex, N Nigeria
a link between the Younger Granite districts of Nigeria and S Niger. Journal of the Geological Society, 130(1), 71-77. doi.org/10.1144/gsjgs.130.1.0071
  • Yobe
    • Machina
Rahaman, M. A., Van Breemen, O., Bowden, P., & Bennett, J. N. (1984). Age migrations of anorogenic ring complexes in Northern Nigeria. The Journal of Geology, 92(2), 173-184. doi.org/10.1086/628847
Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.
 
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