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Prof. Ekwueme Barthlomew Nwoye

Professor
Geology
ekwuemebarth@unical.edu.ng

coming soon

Ekwueme, B. N.:  

(1) 1982 (with A. C. ONYEAGOCHA). The Pre-Pan African structural features in northcentral Nigeria. Nigerian Journal Min. Geol. 19(2): 74-77


(2) 1983 Regional metamorphism of pelitic rocks southeast of Lokoja, Nigeria. Jour. Min. Geol. 20: 71-77.


(3) 1985, Chemical composition and industrial quality of limestone and marls on the Calabar, Flank, southeastern Nigeria. Nigerian J. Min. Geol. 22: 51 – 56.


(4) 1985, (With A. C. Onyeagocha). Metamorphic isograds of Uwet area, southeastern Nigeria. J. Afri. Earth Sci. 3(4): 443 – 454.


(5) 1985 (with A. C Onyeagocha). Petrology of intrusive rocks in the basement complex of Uwet area, Oban massif, southeastern Nigeria. Nigerian Jour. Min. Geol. 22: 71-78.


(6) 1986) (With A. C. ONYEAGOCHA). Geochemistry of metasedimentary rocks of Uwet area, Oban massif, southeastern Nigeria. Geol. Rdsh 75/2: 411- 420.


(7) 1986 Staurolites in pelitic schists southeast of Lokoja: Composition and petrologic implications. Nigeria Jour. Sci. 20: 113-121.


(8) 1987 Structural Orientations and Precambrian deformational episodes of Uwet area, Oban massif, SE Nigeria. Precambrian Res. 34: 269-289.


(9) 1987 The occurrence, chemical composition and industrial quality of carbonate rocks in the Abini-Agoi area, southeastern Nigeria. Nigeria Jour. Min. Geol 23: 5-9


(10) 1987 (With CAEN-VACHETTE, M and ONYEAGOCHA, A. C). Rb-Sr geochronology of metasedimentary schists and gneisses in Uwet area, Oban massif, southeastern Nigeria. Nigeria Jour. Min. Geol. 23: 119-124.


(11) 1987 Kibaran orogeny in Africa-a re-evaluation In: Current Researches in African Earth Science (ed. G Matheis and H. Schandemeier) A. A. Balkema. Rotterdam. P. 31-32


(12) 1988 Preliminary study of distribution patterns of some trace elements in carbonate rocks of the Calabar Flank, southeastern Nigeria. Jour. West Africa Sci. Assoc. 31: 103 – 110.


(13) 1988 (With CAEN-VACHETTE, M.) Rb-Sr ages of schists in the metasedimentary belts in southeast Lokoja and their implications for the Precambrian evolution of Central Nigeria. J. Afr. Earth Sci. 7(1): 127- 131.


(14) 1988 (With A. C. ONYEAGOCHA). Plagioclases in metamorphosed rocks of Lokoja SE, Nigeria. J. Afri. Earth Sc. 7(8): 887 – 894.


(15) 1988 The Kibaran


(16) 1989 (With CAEN-VACHETTE, m.) Kibaran ages on amphibolites from the Oban massif in the Pan African belt of Nigeria. J. Afr. Earth Sci. 9: 719-732.


(17) 1989 (With EKWERE, S, S. J. The Geology of the Eastern section of Oban massif, southeastern Nigeria. J. Min. Geol 25: 317-329.


(18) 1989 Tectonothermal Evolution of Oban massif, Nigeria. Proceedings 28th International geological Congress, Washington, D. C. USA. Abstract Vol. 1, P439-440.


(19) 1989 (With SCHLAG, C.) Composition of monazite in pegmatites and related rocks of the Oban massif, SE, Nigeria: Implications for economic mineral exploration. IGCP No. 255 Newsletter Bulletin 2: 15-20


(20) 1990 (With A. C. ONYEAGOCHA). Temperature- Pressure distribution patterns in metamorphosed rocks of the Nigerian basement Complex – a preliminary analysis. J.Afr. Earth Sci. 11: 83-93


(21) 1990 Rb-Sr ages and petrologic features of Precambrian rocks from the Oban Massif, southeastern Nigeria. Precambrian Research 47: 271-286.


(22) 1990 Petrology of Southern Obudu Plateau, Bamenda massif Southeastern Nigeria. Proceedings 15th Colloquium African Geology, Nancy, France. In: recent Date in African ear Sceience, Rocci, GS; Deschamps M. (eds), CIFEG Occ. Publ. 22(paris) p 155-158.


(23) 1990 Mafic dykes in the Precambrian basement of southeastern Nigerian. In: Mafic dykes and Emplacement mechanism. Parker, A. J., Rickwood, P. C. and Turker, D. H. (Editors). Balkema, Rotterdam, P. 295-311.


(24) 1990 The nature and distribution of Archaean in Nigeria. Extended Abstract 3rd International Archaean Symposium Perth, Australia. Geoconferences W. A. Publication p. 99-101.


(25) 1990 On the occurrence of crystalline (Basement complex) Rock in SW Ugep, Nigeria. J. Min. Geol. 26: 69-74


(26) 1991 (With CAEN-VACHETTE, M. And ONYEAGOCHA A. C) Isotopic ages from the Oban massif and southeast Lokoja: implication for the crustal evolution of the Nigerian basment complex. J. Afr. Earth Sci 12: 489-503


(27) 1991 (With EKWERE, S. J) Geochemistry of Precambrian gneisses in eastern part of the Oban massif, SE Nigeria. Geol. Mijnbouw 70, 105-144.


(28 ) 1991 The geology of the area around Obudu Cattle Ranch, southeastern Nigeria. J. Min. Geol. 27: 129-134.


(29) 1992 Petrology and industrial quality of intermediate igneous rocks in the Oyioba Uganga area, southeastern Benue Trough, Nigeria. J.Min. Geol. 28: 141-147.


(30) 1992 The Geological evolution of the southeastern Nigeria basment, 29th Intern, Geol. Congr. (Kyoto Japan).


(31) 1992 Rb-Sr ages of Pan-African migmatites in the Oban massif SE Nigeria. J.Afr. Earth Sci. 15: 65-72.


(32) 1993 Regional Geology of Africa-a book review. J. Min Geol. 29: 195-196.


(33) 1993 (With MATHEIS, G) Geochemistry and petrogenesis of Precambrian basement rocks of southern Obudu Plateau, Bamenda, massif, southeastern Nigeria. Geol. Surv. Mines Swaziland Bulletin Vol. 1, P. 113-114.


(34) 1993 An Easy Approach to Igneous Petrology. University of Calabar Press Nigeria. 169pp.


(35) 1993 An Easy Approach to Metamorphic Petrology. University of Calabar Press Nigeria. 217pp.


(36) 1994 Elementary crystallography and Mineralogy (including optics). University of Calabar Press Nigeria.


(37) 1994 Basaltic magmatism related to the early stages of rifting along the Benue trough: the Obudu dolerites of SE Nigeria. Geol. Journal. 29, 6: 269- 276.


(38) 1994 (with KROENER, A.) The nature of the Archaean crust in Nigeria; a new discovery. USGS circular 1101.


(39) 1995 (with MATHEIS, G.) Geochemistry and economic value of pegmatites in the Precambrian basement of southeastern Nigeria. In: Magmatism in Relation to Diverse Tectonic setting. R. K. Srivastava and R. Chandra (Editors), Oxford


(40) 1995 The nature of magmatism and tectonic setting of the Oyioba- Uganga area, southeastern Benue Trough, Nigeria: evidence from major and trace element geochemistry. In: Magmatism in Relation to Diverse Tectonic setting. R. K. Srivastava and R. Chandra (Editors), Oxford


(41) 1995 Geochemical


(42) 1995 (With Petters, S. W. and Nyong, E. E.). Excursion Guide book to the Oban massif Nigeria. Calabar


(43) 1995 (With KROENER, A.) Emplacement Age of the Uwet Granodiorite and implications for the Tectonothermal evolution of the Oban massif, Southeastern Nigeria. In: Magmatism in relation to Diverse Tectonic setting R. K. Srivastava and R. Chandra (Editors) Oxford


(45) 1997 (With ATTOH, K) Greenstone belts of the West African shield. In: Tectonic Evolution of Greenstone Belts M. J. De Wit and L. D. Ashwal (Editors) Oxford Monograph on Geology and Geophysics, Clarendon Press, Oxford, pp. 517 – 528,


(44) 1996 (With T. N. NGANJE) Occurrence, petrography and structure of the Uwet Granodiorite Southeastern Nigeria Global J. Pure


(46) 1997 (With T. ITAYA and H. YABE) K-Ar ages of intrusive rocks in the Oban – Obudu massif and their significance for the plutonic history of Southeastern Nigeria. The Island Arc, 6:353 – 360.


(47) 1997 (With KROENER, A) Zircon evaporation ages and chemical composition of a migmatitic schist in Obudu Plateau: evidence for Palaeproterozoic (Ca. 1789 Ma) component in the basement complex of southeastern Nigeria., J. Min. Geol. 33(2): 81 – 88.


(48) 1998 Geochemistry of Precambrian gneisses in the Obudu Plateau, southeastern Nigeria. Global J. Pure


(49) 1998 Geochemical evidence for the origin of gneisses in Ikare area, SW Nigeria. Global J. Pure


(52) 1999 Science Insight. University of Calabar, Press, Nigeria, 128 pp


(50) 1998 (With KROENER, A.) Single Zircon evaporation ages from the Oban massif, SE. Nigeria. J. Afr. Earth Sci 20: 195 – 205.


(51) 1998, Preservation of life on Earth the only habitable planet. Global J. Pure and Appl. Sci. 4(3): 325 – 329.


(53) 2000 (With T. N. NGANJE) Geochemistry and geochronology of the Uwet Granodiorite Southeastern Nigeria. Global Journal of Pure


(54) 2000 (With T. ITAYA and H. YABE) K-Ar ages of some metamorphosed rocks of the Oban massif and their implications for tectonothermal evolution of Southeastern Nigeria. J.Min. Petr. Econ.


(55) 2001 (With A KROENER AND R. T. PIDGEON). The oldest rocks in West Africa: SHRIMP zircon age for early Archaean migmatitic orthogneiss at Kaduna, northern Nigeria. Jour. Geol. 109: 399-406.


(56) 2001 Geoscience education in Nigeria. The Crust. 24(2): 26-33


(57) 2002


(58) 2003 Petrogenesis of schists in southeast Lokoja, Nigeria. Global J. Geol. Sci. 1(1): 29-42.


(59) 2003 The Precambrian Geology and evolution of southeastern Nigerian Basement complex Uni. Calabar Press, 135pp.

(60) 2003 The geochemistry of crystalline basement rocks Southwest Ugep, Nigeria. Global J. Geol. Sci. 1(2): 143-157.


(60) 2003 The geochemistry of crystalline basement rocks Southwest Ugep, Nigeria. Global J. Geol. Sci. 1(2): 143-157.


(61) 2003 (with E. E. UKWANG, AND R.


(62) 2003 Geosciences Policy and Practice for Akwa Ibom State, Nigeria. In: L. O. Asuquo (Editor) Science and Technology in Akwa Ibom State: visions and perspectives. Ministry of Science and Technology Uyo, P. 138 – 158.


(63) 2004 Field geology and Geological map production and interpretation. Bachudo Science. Co. Ltd. Calabar, 165pp


(64) 2004 (With E. U. EGEH and G. B. AKPEKE). The appraisal of a proposed barite quarry in Akpet area, Cross River State, from resistivity investigation. Global J. Geol. Sci. 2(2):171 – 175.


(65) 2005 (With B. EPHRAIM). Rare-Earth Element Geochemistry and protoliths of schists in southeast Lokoja, Central Nigeria. Global J. Geol. Sci. 3(1): 9-15.


(66) 2005 (With V. U. UKAEGBU) Petrogenetic significance of rare-earth element behaviour in the basement rocks of southern Obudu Plateau, Bamenda massif, southeastern Nigeria. Chinese J. Geochemistry, 24(2): 129 – 135.


(67) 2005 (With V. U. UKAEGBU) The Petrology of the Pan-African intrusives in southern Obudu Plateau, Bamenda massif, southeastern Nigeria. Scientia Africana, 4(1


(68) 2005 Geological Excursion Guidebook to Oban massif, Obudu Plateau, Calabar Flank and Ikom mamfe embayment, southeastern Nigeria. Bachudo Science Co. Ltd. Calabar, 69pp.


(69) 2006 (With A. KRONER) Single zircon ages of migmatitic gneiss and granulites in the Obudu Plateau;


(70) 2006 (With G.B. AKPEKE) The nature and origin of barite mineralization in Akpet area, Oban massif, southeastern Nigeria. Global J. Geol. Sci. 4 (2): 139- 146.


(71) 2006 (With V. U. UKAEGBU) Petrogenesis and geotectonic setting of the Pan-African basement rocks in Bamenda massif, Obudu Plateau, southeastern Nigeria: evidence from trace element geochemistry. Chinese J. Geochem., 25(2): 122 – 131.


(72) 2006 (with B. E. EPHRAIM and M. MOAZZEN). Geothermobarometric study of rocks in northeast Obudu area, southeastern, Nigeria. J. Min. Geol. 42(2): 95 – 104.


(73) 2006 (with B. E. EPHRAIM,. and


(74) 2006. Rocks, Resources and Revenues. 37th Inaugural Lecture. University of Calabar, University of Calabar, Press, 36pp.


(75) 2006. Summary of isotopic ages from Oban-Obudu massif southeastern, Nigeria and its implications for the evolution of the Precambrian Basement Complex of Nigeria. Global J. Geol. Sci. 4(2): 103 – 107.


(76) 2006. (with B. E. EPHRAIM and I. C. ADAMU). The Petrology of the Northeastern Region of Obudu Plateau, Bamenda Massif, Southeastern Nigeria.Global J. Geol. Sci. 4(2): 109 – 119.


(77) 2007


(78) 2007 (with V. U. Ukaegbu) Geochemistry of the Precambrian Basement Rocks of Southern Obudu Plateau, Bamenda massif, southeastern Nigeria. Global J. Geol. Sci. 5(1


(79) 2007 Elementary Crystallography and Mineralogy (including optics) 2nd ed. Bachudo Publishers, Calabar Nigeria, 313 Pp.


(80) 2008


(81) 2008 (with E. E. UKWANG and O. I. AKPANIKA). The geology of the area southwest of Obudu Plateau, southeastern Nigeria: Preliminary Report. J. Engin. Sci. and Techn. 3(4): 7 – 18.


(82) 2008 (with B. E. Ephrim, M. Moazzen and M. Modjarrad) P-T conditions of Pan-African Orogeny in Southeastern Nigeria. Central European Geology,


(83) 2008 (with C. O. EKWUEME, K. A. AGBO, A. MEREMIKU). Literacy and gender liberation in a third world country. Int. J. Sustainable Development. 2(6):87-90.


(84) 2009 (with Ero, K. A). Mineralization of Pegmatites in parts of the Oban Massif, Southeastern Nigeria: A Preliminary Analysis. Chinese J. Geochemistry 28(2): 146-153.


(85) 2009 (with UKWANG, E. E). Trace element geochemistry and tectonic characterization of the granulite facies rocks from Southwest Obudu Plateau, Southeastern Nigeria. Chinese J. Geochemistry, 28:248-257


(86) 2009 (With UKWANG, E. E.) Geochemistry and Geotectonic study of granitic rocks Southwest Obudu Plateau, Southeastern Nigeria. J. Min. Geol. 45(1): 73-82.


(87) 2009 An Easy Approach to Metamorphic Petrology 2nd Ed., Bachudo Publishers, Calabar, Nigeria, 204Pp.


(88) 2011 (with OBIOHA, Y. E.) Petrology and Chemical Composition of Gneisses of Northwest Obudu Plateau, Southeastern Nigeria. Global J. Pure


(89) 2012 (with F. KALSBEEK, P. AFFATON, R. FREL and K. THRANE) Geochronology of Granitoid and Metasedimentary Rocks from Togo and Benin, West Africa: Comparisons with NE Brazil. Precambrian Research. Precambrian Research 196-197, 218-233.


(90) 2012 (with G.B Akpeke) Occurrence and distribution of barite mineralization in Cross River State, Southeastern Nigeria. Global J. Geol. Sci. 10 (10) 85-98.


(91) 2012 Science Insight. Revised edition Univ. Calabar Press. 120pp


(92) 2012 An Easy Approach to Igneous Petrology. Revised Edition Univ. Calabar Press.


(93) 2012 (with UKWANG, E. E. and KRONER, A.)

Single Zircon evaporation ages: Evidence for the Mesoproterozoic crust in the southeastern Nigeria basement complex. Chinese J. Geochem. 31: 048-054

2013 (with Kalsbeek, F., Penaye, J., Souza, Z. S. and Thrane, C.) Recognition of early and late Neoproterozoic supracrustal units in West Africa and northeast Brazil from detrital Zircon geochronology. Precamb. Res. 226,


2013 - Leadership of the Nigerian Universities against best global practices. The National scholar, vol.9(2): 12-17.


2014 Issues in Development: Leadership, Education and Religion. Univ. Calabar, Press, Calabar, Nigeria


2014 – Surviving the Intrigues. Univ. Calabar Press, Calabar, Nigeria.


2014 - Cyclic nature of ASUU strikes. The National scholar, vol. 9(3): 22-24.


2014 (with Obi, D. A and Akpeke, G.B). Reserve estimation of barite deposits using geological and geophysical investigations in Cross River State, Southeastern Nigeria. Journal of Environment and Earth Science vol. 4(10), P.16-30.


2014 (with Kalsbeek, F.) U-Pb geochronology of metasedimentary schists in Akwanga area of North Central Nigeria and its implications for the evolution of the Nigerian Basement complex. Global J. Geol. Sci. vol. 12: 21-30.


2015 (with Akpeke, G. B. and B. Ephraim) The Chemical composition and industrial quality of barite mineralization in Calabar Flank, Oban massif, Mamfe Embayment and Obudu Plateau, southeastern Nigeria. Global J. Geol. Sci. vol. 13: 53-65.


2015 (with Obioha, Y. E. and Ephraim, B.). REE Geochemistry and protoliths of gneisses of northwest Obudu Plateau Southeastern Nigeria. Int. J. Geophysics and Geochemistry 2(3), 39-52.


2015 (with Edem, G. O. and Ephraim, B. E.). Geochemical signatures and mineralization potentials of Precambrian pegmatites of southern Obudu Bamenda Massif, southeastern Nigeria. Int. J. Geophysics and Geochemistry, 2(3), 53-67.


2015 (with U. N. Etukudo, O. A. Nwakwue, I. U. Imaikpo, N. I. Essien and D. E. Mfon) Heavy Metal Pollution of streams and river sediments in parts of Akpabuyo Local Government Area, Nigeria and its implications for Agricultural practices and environmental protection. Intern. Journal Geophysics and Geochemistry vol. 2 (4), 98-104.


(105) 2016 (with Edem, G. O., Ephraim, E. B and Igonor, E. E.). Preliminary investigation of Pegmatites in Obudu area, Southeastern Nigeria, using stream sediments geochemistry. Global J. Pure


(107) 2017 (with Uche, S., Ebong, M., Umoh, C. and Aboh, J.,) History of Saint Paul Parish, University of Calabar. University of Calabar Press, Calabar, Nigeria.

(108) 2018 (with Asukwo E. Itam and Edet A. Amah) Laboratory Geology Manual 1. Bachudo Science co. Ltd, Calabar. 79p.


(106) 2017 (with Okoro, A. U.,) The geology of Oban: Explanation of 1:250,000 sheet 80. Nigerian Geological Survey Bulletin N0.


(107) 2017 (with Uche, S., Ebong, M., Umoh, C. and Aboh, J.,) History of Saint Paul Parish, University of Calabar. University of Calabar Press, Calabar, Nigeria.


(108) 2018 (with Asukwo E. Itam and Edet A. Amah) Laboratory Geology Manual 1. Bachudo Science co. Ltd, Calabar. 79p.

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