Obliquely convergent tectonics and granite emplacement in the Trans-Saharan belt of Eastern Nigeria: a synthesis

E Ferré, G Gleizes, R Caby - Precambrian research, 2002 - Elsevier
The Eastern Nigeria terrane belongs to the 3000 km-long Trans-Saharan belt which was
formed in the Neoproterozoic, between 750 and 500 Ma by continental collision between the …

Structural orientations and Precambrian deformational episodes of Uwet area Oban massif, SE Nigeria

BN Ekwueme - Precambrian Research, 1987 - Elsevier
Orientations of planar, linear and micro-structures are consistent with the results of isotopic
data from the Uwet area of southeastern Nigeria which indicate that the area was subjected …

The occurrences, characteristics, and implications of chaotic rocks (accretionary rocks) within the Trans-Saharan orogenic belt in Nigeria

ND Nweke, EN Ugwuonah, LN Onuba, JC Egbueri - Discover Geoscience, 2024 - Springer
The present research paper reveals the occurrences of metachaotic rocks/accretionary
sediments (mélange) in Igarra, southwest Nigeria. These metachaotic rocks are associated …

Petrology and geochemistry of granitic intrusive rocks from the western part of the Oban Massif, southeastern Nigeria

AMS Rahman, SJ Ekwere, M Azmatullah… - Journal of African Earth …, 1988 - Elsevier
Abstract The Oban Massif forms part of the Precambrian to Early Paleozoic Nigerian
basement complex and predominantly consists of metasediments, granodiorites, granites …

Temperature-pressure distribution patterns in metamorphosed rocks of the Nigerian basement complex–a preliminary analysis

AC Onyeagocha, BN Ekwueme - Journal of African Earth Sciences (and the …, 1990 - Elsevier
Abstract The Nigerian Basement Complex has undergone polyphase deformation and
polycyclic metamorphism during the Proterozoic and early Phanerozoic periods. Andalusite …

[PDF][PDF] Reserve estimation of barite deposits using geological and geophysical investigations in Cross River State South Eastern, Nigeria

D Obi, BN Ekwueme, GB Akpeke - Journal of Environment and Earth …, 2014 - academia.edu
Barite deposits occur mostly as concealed mineralization dominantly in shales and
sandstones of Cretaceous age in Cross River State. Vertical Electrical Sounding (VES) and …

[HTML][HTML] Petrology and geochemistry of basement complex rocks in okom-ita area, oban Massif, southeastern Nigeria

KD Opara, YE Obioha, SO Onyekuru… - International Journal of …, 2014 - scirp.org
The determination of the mineralogical composition of rocks that underlie Okom-Ita area, in
Oban Massif became necessary for the interpretation of the petrogenesis and protoliths of …

[HTML][HTML] Determination of incompressibility (Bulk Modulus), elasticity (Young's Modulus) and rigidity (Shear Modulus) of Uyo and its environ, Southeastern Nigeria

UE Essien, AO Akankpo, MU Igboekwe… - Journal of Geoscience …, 2023 - scirp.org
In this work, seismic refraction was used to obtain elastic properties (shear modulus (μ),
Young modulus (E), Bulk modulus (K) and lithological information in Uyo and its environ as …

Geochemistry of metasedimentary rocks of Uwet area, Oban Massif, southeastern Nigeria

BN Ekwueme, AC Onyeagocha - Geologische Rundschau, 1986 - Springer
Metasediments comprising phyllites, schists and gneisses constitute the predominant rock
types in Uwet area of the Oban Massif of southeastern Nigeria. These rocks which range …

Occurrence and distribution of barite mineralization in Cross River State, south-eastern Nigeria

BN Ekwueme, GB Akpeke - Global Journal of Geological Sciences, 2012 - ajol.info
Abstract Cross River State is composed of sedimentary rocks which constitute the Calabar
Flank and metamorphic and intrusive rocks which crop out in the Oban massif and Obudu …