Provisional Dating of Metasedimentary Rocks in South Katsina State, Northwestern Nigeria: Studies in Proterozoic Crustal Evolution
Kankara, I. A and Farouk, H. A
Review I Published October,2015
Journal of Physical Science and Environmental Studies Vol. 1 (4), pp. 55-61
ABSTRACT
On the basis of
available isotopic data the schist are assumed to be of two
(2) types: the metasediments which are mainly found in
southwestern Nigeria and the low grade schist (the younger
metasediments) mainly found in northwestern Nigeria. In this
research, age relationship among the schist and quartzite
belts of Nigeria and perhaps the study area which is
Northwestern Nigeria is unresolved, as various ages have
been assigned. Paleoproterozoic was an important activity
which occurred when crust was formed in Africa. It is a fact
that terrains with similar chronology and geochemical
features formed in different geographical areas were
juxtaposed in a late orogenic activity. In that, comparisons
of metasedimentary series which are schist and quartzite
according to time of formation imputable to different
sequences can provide a better understanding to terrain
accretion models.
Key words: Proterozoic, Crust, Age, Northwestern
Nigeria.
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