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Trachyte from Sahara Desert, North Africa

Algeria
 
  • Tamanrasset Province (Tamanghasset Province)
    • Abalessa District
Dautria, J. M., Dostal, J., Dupuy, C., & Liotard, J. M. (1988). Geochemistry and petrogenesis of alkali basalts from Tahalra (Hoggar, Northwest Africa). Chemical Geology, 69(1-2), 17-35.
Dautria, J. M., Liotard, J. M., Cabanes, N., Girod, M., & Briqueu, L. (1987). Amphibole-rich xenoliths and host alkali basalts: petrogenetic constraints and implications on the recent evolution of the upper mantle beneath Ahaggar (Central Sahara, Southern Algeria). Contributions to Mineralogy and Petrology, 95(2), 133-144.
Leblanc, M., Dautria, J. M., & Girod, M. (1982). Magnesian ilmenitite xenoliths in a basanite from Tahalra, Ahaggar (Southern Algeria). Contributions to Mineralogy and Petrology, 79(4), 347-354
AllÚgre, C. J., Dupré, B., Lambret, B., & Richard, P. (1981). The subcontinental versus suboceanic debate, I Lead-neodymium-strontium isotopes in primary alkali basalts from a shield area the Ahaggar volcanic suite. Earth and Planetary Science Letters, 52(1), 85-92.
Girod, M., Dautria, J. M., & De Giovanni, R. (1981). A first insight into the constitution of the upper mantle under the Hoggar area (southern Algeria): the lherzolite xenoliths in the alkali-basalts. Contributions to Mineralogy and Petrology, 77(1), 66-73.
    • Tazrouk District
      • IdlĂšs
Fabre, J. (1976). Introduction à la géologie du Sahara algérien et des régions voisines: La couverture phanérozoïque (Vol. 1). SNED.
Lelubre, M. (1952). Recherches sur la géologie de l'Ahaggar central et occidental: Sahara central. Bulletin du Service de la Carte Geologique de l'Algerie, Ser. 2, 22.
Remy, J.-M. 1967. Etude geologique et volcanologique du sud-est de l'Amadror en Ahaggar (Sahara Central). Sciences de la Tierre, Memoires, 10. Nancy.
Kornprobst, J., Pineau, F., Degiovanni, R., & Dautria, J. M. (1987). Primary igneous graphite in ultramafic xenoliths: I petrology of the cumulate suite in alkali basalt near Tissemt (Eggéré, Alegerian Sahara). Journal of Petrology, 28(2), 293-311.
Pineau, F., Javoy, M., & Kornprobst, J. (1987). Primary Igneous Graphite in Ultramafic Xenoliths: II Isotopic Composition of the Carbonaceous Phases Present in Xenoliths and Host Lava at Tissemt (Eggéré, Alegerian Sahara). Journal of Petrology, 28(2), 313-322.
Dupuy, C., Dostal, J., Dautria, J. M., & Girod, M. (1986). Geochemistry of spinel peridotite inclusions in basalts from Hoggar, Algeria. Journal of African Earth Sciences (1983), 5(3), 209-215.
Lelubre, M. (1952). Recherches sur la géologie de l'Ahaggar central et occidental: Sahara central. Bulletin du Service de la Carte Geologique de l'Algerie, Ser. 2, 22.
Egypt
 
  • Aswan Governorate
Abdalla, H. M. (2006). An Overview on the REE‐Mineralized Alkaline Granites in Egypt, with Special Reference to the Abu Khruq and Gara El Hamra Bodies. Resource Geology, 56(3), 365-370.
El Ramly, M. F., Armanious, L. K., & Hussein, A. A. (1979). The two ring complexes of Hadayib and Um Risha, south eastern desert. Ann Geol Surv Egypt, 9, 61-69.
Moghazi, A. M., Hassanen, M. A., & Mohamed, F. H. (1997). Source and evolution history of some Mesozoic alkaline volcanics in the Eastern Desert of Egypt: inference from petrology and geochemistry. Journal of African Earth Sciences, 24(1-2), 11-28. doi.org/10.1016/S0899-5362(97)00023-7
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
Hubbard, H. B., Wood, L. F., & Rogers, J. J. (1987). Possible hydration anomaly in the upper mantle prior to Red Sea rifting: Evidence from petrologic modeling of the Wadi Natash alkali basalt sequence of eastern Egypt. Geological Society of America Bulletin, 98(1), 92-98. doi.org/10.1130/0016-7606(1987)98<92:PHAITU>2.0.CO
Crawford, W. A., Coulter, D. H., & Hubbard, H. B. (1984). The areal distribution, stratigraphy and major element chemistry of the Wadi Natash volcanic series, Eastern Desert, Egypt. Journal of African Earth Sciences (1983), 2(2), 119-128.
Hashad, A. H., Hassan, M. A., & Aboul Gadayel, A. A. (1982). Geologicol and petrological study of wad. Natash late Cretaceous volcanic, Egypt. J. Geol, 26(1), 19-37.
Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.
El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.
  • New Valley Governorate
Bishady, A. M., & El Ramly, M. F. (1982). Petrographical and petrochemical studies of some alkaline volcanics from Uweinat area, South Western Desert, Egypt. Annals of the Geological Survey of Egypt, 12, 29-45.
Sandford, K. S. (1935). Geological observations on the northwest frontiers of the Anglo-Egyptian Sudan and the adjoining part of the southern Libyan Desert. Quarterly Journal of the Geological Society, 91(1-4), 323-381. doi.org/10.1144/GSL.JGS.1935.091.01-04.13
Abdalla, H. M. (2006). An Overview on the REE‐Mineralized Alkaline Granites in Egypt, with Special Reference to the Abu Khruq and Gara El Hamra Bodies. Resource Geology, 56(3), 365-370.
  • Red Sea Governorate
Ismail, A. I., Ghabrial, D. S., Ibrahem, W. A., Eissa, M., Cazzaniga, A., Zanelli, C., & Dondi, M. (2018).Exploring syenites from ring complexes in the Eastern Desert (Egypt) as ceramic raw materials. Periodico di Mineralogia, 87(1).
Mogahed, M. M. (2016). Petrogenesis of cogenetic silica-oversaturated and-undersaturated syenites of Abu Khruq ring complex, South Eastern Desert, Egypt. Journal of African Earth Sciences, 124, 44-62.
El-Naby, H. H. A. (2009). Role of geochemical alteration on the formation of secondary Zr-and U-bearing minerals in El Atshan trachyte, central Eastern Desert, Egypt. Journal of Mineralogical and Petrological Sciences, 104(1), 37-51.
Soliman, M. M. (1987). The younger granites and ring complexes of the Southeastern Desert of Egypt and their relation to mineralization. Journal of African Earth Sciences (1983), 6(5), 745-754. doi.org/10.1016/0899-5362(87)90010-8
Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.
Serencsits, C. M., CM, S., KA, F., & El Ramly, M. F. (1979). Alkaline ring complexes in Egypt: their ages and relationship to tectonic development of the Red Sea. Annals of the Geological Survey of Egypt, 9, 102-116.
Meneisy, M. Y., & MY, M. (1974). POTASSIUM-ARGON AGES OF NEPHELINE SEYENITE RING COMPLEXES IN EGYPT. Geologisches Jahrbuch, Hannover, D9, 33-39.
El Ramly, M. F., Budanov, V. I., Armanious, L. K., & Dereniuk, N. E. (1969). The three ring complexes of Gabal El Kahfa, GabalNigrub El Fogani and Gabal El Naga, south Eastern Desert of Egypt. Geol. Surv. Egypt, paper, (52), 39.
Abdel-Aziz, A.H. & Hassan, M.A. 1973. Further contribution to geology and geochemistry of some Egyptian ring complexes. Annals of the Geological Survey of Egypt, 3, 167-175.
El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.
Gindy, A. R., AR, G., SO, K., EL RAMLY, M. F., & AI, A. (1978). Contributions to the petrochemistry and geochemistry of the alkaline rocks of Gabal Abu Khruq and Gabal El-Nuhud, South-Eastern Desert, Egypt. Chemie der Erde, 37, 285-301.
Higazy, R. A., & El Ramly, M. F. (1960). Potassium-argon ages of some rocks from the Eastern Desert of Egypt UAR. Geol. Surv. Miner. Res. Dep. Pap., 7, 18.
El-Dokouny, Hanaa A., Nasser M. Mahdy, Hany H. El Hadek, Mabrouk Sami, Rainer Abart, Mohamed S. Ahmed, Tehseen Zafar, and Ioan V. Sanislav. (2023) "Origin of Amphibole-Biotite-Fluorite-Rich Enclaves from Gabal El-Ineigi Fluorite-Bearing Granite, Central Eastern Desert of Egypt: Insights into Fluoride–Calcium and Silicate Liquid Immiscibility" Minerals 13, no. 5: 670. https://doi.org/10.3390/min13050670
El Ramly, M. F., Armanious, L. K., & Hussein, A. A. (1979). The two ring complexes of Hadayib and Um Risha, south eastern desert. Ann Geol Surv Egypt, 9, 61-69.
Omar, G. I., Kohn, B. P., Lutz, T. M., & Faul, H. (1987). The cooling history of Silurian to Cretaceous alkaline ring complexes, south Eastern Desert, Egypt, as revealed by fission-track analysis. Earth and planetary science letters, 83(1-4), 94-108. doi.org/10.1016/0012-821X(87)90054-9
Aly, M. M., El Ramly, M. F., & Kabesh, M. L. (1983). Analyses of Egyptian rocks, igneous rocks, part I. The Geol. Survey of Egypt and Mining Authority, Cairo, paper, (66), 77-81.
El-Ramly, M. F., & Hussein, A. A. (1982). The alkaline ring complexes of Egypt. Geol. Surv. Egypt, Paper, 63.
Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.
El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.
Armanious, L. K., & LK, A. (1978). GEOLOGY OF JABAL NASIYA DISTRICT, SOUTH-EASTERN DESERT OF EGYPT. Precambrian Research, 6, A8-9.
El Reedy, M. W., & El Sokkary, A. A. (1982). Contribution to the geochemistry of some ring complexes in the South-Eastern Desert, Egypt. Acta Geological Academiae Sientiarum Hangaricas, 25(3–4), 349-354.
Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101.
El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.
Abdelkader, M. A., Watanabe, Y., Shebl, A., El-Dokouny, H. A., Dawoud, M., & Csåmer, Á. (2022). Effective delineation of rare metal-bearing granites from remote sensing data using machine learning methods: A case study from the Umm Naggat Area, Central Eastern Desert, Egypt. Ore Geology Reviews, 105184.
El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.
El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53.
    • Wadi Allaqi District
Zoheir, B., Emam, A., Pitcairn, I. K., Boskabadi, A., Lehaye, Y., & Cooper, M. J. (2018). Trace elements and isotope data of the Um Garayat gold deposit, Wadi Allaqi district, Egypt. Mineralium Deposita, 1-16.
El Ramly, M. F., HUSSEIN, A. A., & Francis, M. H. (1982). The ring complex of Wadi Dib―North Eastern desert, Egypte. Annals of the Geological Survey of Egypt, 12, 77-82.
Frisch, W. (1982). The Wadi Dib ring complex, Nubian Desert (Egypt) and its importance for the upper limit of the Pan-African orogeny. PreR, 16(4), A20-A20. doi.org/10.1016/0301-9268(82)90096-1
Serencsits, C. M., CM, S., KA, F., & El Ramly, M. F. (1979). Alkaline ring complexes in Egypt: their ages and relationship to tectonic development of the Red Sea. Annals of the Geological Survey of Egypt, 9, 102-116.
Sabet, A.H., Maksoud, M.A.A. & Nabrovenkov, U.S. 1977. Geological setting and petrography of Wadi Dib ring intrusion, Northern Eastern Desert, Egypt. Egyptian Journal of Geology, 21, 91-102.
Libya
 
  • Jabal al Gharbi District
Bausch, W. M., & WM, B. (1980). Mineralogical composition of Jabal Nafusah phonolites.
Busrewil, M. T., MT, B., & WJ, W. (1980). The basanitic volcanoes of the Gharyan area, NW Libya.
Bausch, W. M. (1978). The central part of the Jebel Nefusa volcano (Libya) survey map, age relationship and preliminary results. Geologische Rundschau, 67(2), 389-400. doi.org/10.1007/BF01802796
Ade-Hall, J. M., Gerstein, S., Gerstein, R. E., Reynolds, P. H., Dagley, P., Mussett, A. E., & Hubbard, T. P. (1975). Geophysical Studies of North African Cenozoic Volcanic Areas: III. Garian, Libya. Canadian Journal of Earth Sciences, 12(8), 1264-1271. doi.org/10.1139/e75-118
Almond, D. C., Busrewil, M. T., & Wadsworth, W. J. (1974). The Ghirian tertiary volcanic province of Tripolitania, Libya. Geological Journal, 9(1), 17-28. doi.org/10.1002/gj.3350090102
Gray, C. (1971). Structure and origin of the Garian Domes. In Symp. Geol. Libya (pp. 307-319). Fac. Sci., Univ. Libya Tripoli.
Piccoli, G. (1970). Outlines of volcanism in northern Tripolitania (Libya). Bollettino della Societa Geologica Italiana, 89, 449-461.
  • Kufra District
Hunting Geology and Geophysics Limited 1974. Geology of the Jabal Al Uwaynat area, Libyan Arab Republic. Report to Industrial Research Centre, Department of Geological Research and Mining, Tripoli. Boreham Wood, U.K. (unpublished).
Klerkx, J. (1985, January). THE ALKALINE RING COMPLEXES OF JEBEL U WEINAT (SE LIBYA). In JOURNAL OF AFRICAN EARTH SCIENCES (Vol. 3, No. 1-2, pp. 275-275). THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, ENGLAND OX5 1GB: PERGAMON-ELSEVIER SCIENCE LTD.
Klerkx, J., & CC, R. (1976). PRELIMINARY K/AR RESULTS ON DIFFERENT IGNEOUS ROCK FORMATIONS FROM THE JEBEL UWEINAT REGION (SE LIBYA). Rapport Annuel l'Annee 1975. Department de Geologie et de Mineralogie du Musee Royal de l'Afrique Centrale, Tervuren, 105-111.
Vail, J. R. (1976). LOCATION AND GEOCHRONOLOGY OF IGNEOUS RING-COMPLEXES AND RELATED ROCKS IN NORTH-EAST AFRICA. Geologisches Jahrbuch, B20, 97-114.
SchĂŒrmann, H. M. E. (1974). The Pre-Cambrian in North Africa. Brill Archive.
Mahrholz, W. W. (1968). Geological exploration of the Kufra region, April-May, 1965. Kingdom of Libya, Ministry of Industry, 8, 1-76.
Alkhazmi, R.A. 1985. Some aspects of the geology, geochemistry and petrogenesis of Jabal Arkeno ring complex, S.E. Libya. In: 13th Colloquium of African Geology, Department of Geology, University of St Andrews. International Center for Training and Exchange in the Geosciences, Occasional Publication, 277.
Atherton, M.P., Lagha, S. & Flinn, D. 1991. The geochemistry and petrology of Jabal Arknu and Jabal al Awaynat alkaline ring complexes of SE Libya. In: Salem, M.J. & Busrewil, M.T. (eds) The geology of Libya, 7. Elsevier, Amsterdam, 2559-2576.
André, L., Klerkx, J., & Busrewil, M. T. (1991). Geochemical and Rb-Sr isotopic data on felsic rocks from the Jabal al Awaynat alkaline Intrusive Complex (SE Libya). In Symposium on the geology of Libya (pp. 2511-2527).
Klerkx, J. (1985, January). THE ALKALINE RING COMPLEXES OF JEBEL U WEINAT (SE LIBYA). In JOURNAL OF AFRICAN EARTH SCIENCES (Vol. 3, No. 1-2, pp. 275-275). THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, ENGLAND OX5 1GB: PERGAMON-ELSEVIER SCIENCE LTD.
Klerkx, J., & CC, R. (1976). PRELIMINARY K/AR RESULTS ON DIFFERENT IGNEOUS ROCK FORMATIONS FROM THE JEBEL UWEINAT REGION (SE LIBYA). Rapport Annuel l'Annee 1975. Department de Geologie et de Mineralogie du Musee Royal de l'Afrique Centrale, Tervuren, 105-111.
Vail, J. R. (1976). LOCATION AND GEOCHRONOLOGY OF IGNEOUS RING-COMPLEXES AND RELATED ROCKS IN NORTH-EAST AFRICA. Geologisches Jahrbuch, B20, 97-114.
Atherton, M.P., Lagha, S. & Flinn, D. 1991. The geochemistry and petrology of Jabal Arknu and Jabal al Awaynat alkaline ring complexes of SE Libya. In: Salem, M.J. & Busrewil, M.T. (eds) The geology of Libya, 7. Elsevier, Amsterdam, 2559-2576.
Hunting Geology and Geophysics Limited 1974. Geology of the Jabal Al Uwaynat area, Libyan Arab Republic. Report to Industrial Research Centre, Department of Geological Research and Mining, Tripoli. Boreham Wood, U.K. (unpublished).
Sandford, K. S. (1935). Geological observations on the northwest frontiers of the Anglo-Egyptian Sudan and the adjoining part of the southern Libyan Desert. Quarterly Journal of the Geological Society, 91(1-4), 323-381. doi.org/10.1144/GSL.JGS.1935.091.01-04.13
  • Wadi al Shatii District
BUSREWIL, M. T., & OUN, K. M. (1991). Geochemistry of the Tertiary alkaline rocks of Jabal al Hasawinah, west central Libya. In Symposium on the geology of Libya (pp. 2587-2598).
Mauritania
 
  • Adrar Region
    • Ksar El Barka
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
    • 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
  • 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
POUCLET, A., & BAUBRON, J. (1988). le volcanisme cénozoïque du Niger oriental, relations géochronologiques, magmatiques et structurales des phases d'activité. Publication occasionnelle-Centre international pour la formation et les échanges géologiques, (15), 188-192.
Pouclet, A., & Karche, J. P. (1988). Petrology and geochemistry of the Cenozoic volcanism in Eastern Niger (West Africa). In UNESCO UISG 227, Mesozoic to Present-day Magmatism of the African Plate and its Structural Setting (pp. 194-195).
POUCLET, A., & BAUBRON, J. (1988). le volcanisme cénozoïque du Niger oriental, relations géochronologiques, magmatiques et structurales des phases d'activité. Publication occasionnelle-Centre international pour la formation et les échanges géologiques, (15), 188-192.
Pouclet, A., & Karche, J. P. (1988). Petrology and geochemistry of the Cenozoic volcanism in Eastern Niger (West Africa). In UNESCO UISG 227, Mesozoic to Present-day Magmatism of the African Plate and its Structural Setting (pp. 194-195).
Black, R., Jaujou, M. & Pellaton, C. 1967. Notice explicative sur la carte geologique de l'AĂŻr Ă  l'Ă©chelle du 1/500000. Direction des Mines et de la Geologie. Republique du Niger.
Hazell, I.F., Jones, A.P. & Menzies, M.A. 1988. Geochemistry of Quaternary alkali basalts from the southern AĂŻr Massif, Republic of Niger. In: Mesozoic to present-day magmatism of the African Plate and its structural setting. International Center for Training and Exchanges in the Geosciences, 1988/15, 109-111.
Black, R., Jaujou, M. & Pellaton, C. 1967. Notice explicative sur la carte geologique de l'AĂŻr Ă  l'Ă©chelle du 1/500000. Direction des Mines et de la Geologie. Republique du Niger.
Hazell, I.F., Jones, A.P. & Menzies, M.A. 1988. Geochemistry of Quaternary alkali basalts from the southern AĂŻr Massif, Republic of Niger. In: Mesozoic to present-day magmatism of the African Plate and its structural setting. International Center for Training and Exchanges in the Geosciences, 1988/15, 109-111.
 
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