alexa The Economic Potentials of the Rare Earth Elements in the Basaltic Rocks of Ameta, Southern Benue trough Nigeria
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

The Economic Potentials of the Rare Earth Elements in the Basaltic Rocks of Ameta, Southern Benue trough Nigeria

Dilioha II and Onwualu-John JN*


Department of Geology, University of Port Harcourt, Port Harcourt, Nigeria

*Corresponding Author:
Onwualu-John JN
Department of Geology
University of Port Harcourt
Port Harcourt, Nigeria
E-mail: [email protected]

Received date: July 13, 2016; Accepted date: July 20, 2016; Published date: July 22, 2016

Citation: Dilioha II, Onwualu-John JN (2016) The Economic Potentials of the Rare Earth Elements in the Basaltic Rocks of Ameta, Southern Benue trough Nigeria. J Environ Anal Toxicol 6:387. doi:10.4172/2161-0525.1000387

Copyright: © 2016 Dilioha II, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Rare earth element (REE) geochemistry of the basaltic rocks (gabbro) in Ameta were studied inorder to determine the fractionation pattern of the magma that form the rocks and as well to determine the economic potential of the REE in the rocks. The field occurrence of the basaltic rock shows evidence of decrease in the thermal effects of the magma. Presence of phenocrysts of mafic minerals (biotite and olivine) in the rocks indicate slow rate of cooling of the magma that gave rise to the rocks. Field occurrence depicts that crystallization of the magma closed the vent through which the magma erupted thereby making the rocks to appear as plutons. The rare earth element geochemistry of the rocks shows the fractionating pattern of the magma. The REE is characterized by a sloping pattern which indicates the trend of the fractionation. There are enrichment of most of the light rare earth elements (LREE) and depletion of the heavy rare earth element (HREE). There are slight negative Eu anomalies in the rocks which defines the level of plagioclase fractionation. The concentration of REE in the rocks have shown the economic potentials of the rocks. REE is useful natural resource for 21st century technology.


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