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International Journal of Botany
  Year: 2009 | Volume: 5 | Issue: 3 | Page No.: 203-215
DOI: 10.3923/ijb.2009.203.215
A Late Tertiary Pollen Record from Niger Delta, Nigeria
O.E. Ige

Abstract:
This study presents the results of palynological investigations carried out on Atala-1 well, Niger Delta, Nigeria. The samples yielded pollen and spores and the identification of the pollen and spores, their relative diversity and abundance provide data on which the palaeoenvironmental interpretations were based. Nine informal lithological units were delineated for the well, characterized by silty clay and very fine to very coarse sand grains which are typical of Benin and Agbada formations of the Niger Delta. Four pollen zones (PZ I-IV) were recognized from the pollen diagram and attempt was made at the reconstruction of the vegetation for the zones. The early part of the zone (I) was characterized by unstable wet and dry climatic conditions characterized by contrasting fluctuations between the percentage occurrence of Rhizophora sp. and Poaceae. The vegetation was gradually dominated by mangrove swamp vegetation towards the later part of the zones (II-IV), indicating a wet and moist climates for the period and a rise in sea level.
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 RELATED ARTICLES:
  •    Palynology of Recent Bottom Sediments from Shallow Offshore Niger/Cross River Delta Nigeria: A Preliminary Study
  •    Palynological Evidence of Pliocene-Pleistocene Climatic Variations from the Western Niger Delta, Nigeria
How to cite this article:

O.E. Ige , 2009. A Late Tertiary Pollen Record from Niger Delta, Nigeria. International Journal of Botany, 5: 203-215.

DOI: 10.3923/ijb.2009.203.215

URL: https://scialert.net/abstract/?doi=ijb.2009.203.215

 
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