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Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria

Idanre area which is situated within the Nigerian shield is affected by orogenic activities accompanied by emplacement of Pan-African granitoids. This paper presents a new information on geochemical behaviour of Rare Earth Elements (REEs) and High Field Strength Elements (HFSEs) Zr-Hf and Y-Ho that...

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Main Authors: Olagoke, Akinola O., Ghani, Azman A., James, Elvaene
Format: Article
Published: Penerbit Universiti Kebangsaan Malaysia 2021
Subjects:
QE Geology
Online Access:http://eprints.um.edu.my/27055/
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spelling my.um.eprints.270552022-05-14T07:00:17Z http://eprints.um.edu.my/27055/ Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria Olagoke, Akinola O. Ghani, Azman A. James, Elvaene QE Geology Idanre area which is situated within the Nigerian shield is affected by orogenic activities accompanied by emplacement of Pan-African granitoids. This paper presents a new information on geochemical behaviour of Rare Earth Elements (REEs) and High Field Strength Elements (HFSEs) Zr-Hf and Y-Ho that can explain post magmatic processes relating to the origin and evolution of the Idanre granite. Zr-Hf, Hf-(Zr/Hf) and Y-Ho, (Y/Ho)-Ho variation diagrams depicted similar mobility and migration patterns for Zr, Hf, Y and Ho. Binary plots of Log Zr/Hf vs Log Hf, Log Y/Ho vs Log Ho; high LREE/HREE and negative Eu anomaly shows extensive plagioclase and calcic amphibole fractionation. High Ce/Yb values 113.49, 134.97, and 123.6 reflects low partial melting in the source rocks. Similar Zr/Hf ratios 39.16; 39.3 and 43.26 for members of the granite suite suggest a common source for the minimally differentiated magmatic fluid. Y/ Ho ratios of 27.15, 27.12 and 25.91 indicate that the rock units are comagmatic. Mean Zr/Hf (41.69) and Y/Ho (27.18) ratios indicate the host migmatite may be the source rock for the Idanre granite complex. Penerbit Universiti Kebangsaan Malaysia 2021-04 Article PeerReviewed Olagoke, Akinola O. and Ghani, Azman A. and James, Elvaene (2021) Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria. Sains Malaysiana, 50 (4). pp. 919-928. ISSN 0126-6039, DOI https://doi.org/10.17576/jsm-2021-5003-04 <https://doi.org/10.17576/jsm-2021-5003-04>. 10.17576/jsm-2021-5003-04
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QE Geology
spellingShingle QE Geology
Olagoke, Akinola O.
Ghani, Azman A.
James, Elvaene
Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria
description Idanre area which is situated within the Nigerian shield is affected by orogenic activities accompanied by emplacement of Pan-African granitoids. This paper presents a new information on geochemical behaviour of Rare Earth Elements (REEs) and High Field Strength Elements (HFSEs) Zr-Hf and Y-Ho that can explain post magmatic processes relating to the origin and evolution of the Idanre granite. Zr-Hf, Hf-(Zr/Hf) and Y-Ho, (Y/Ho)-Ho variation diagrams depicted similar mobility and migration patterns for Zr, Hf, Y and Ho. Binary plots of Log Zr/Hf vs Log Hf, Log Y/Ho vs Log Ho; high LREE/HREE and negative Eu anomaly shows extensive plagioclase and calcic amphibole fractionation. High Ce/Yb values 113.49, 134.97, and 123.6 reflects low partial melting in the source rocks. Similar Zr/Hf ratios 39.16; 39.3 and 43.26 for members of the granite suite suggest a common source for the minimally differentiated magmatic fluid. Y/ Ho ratios of 27.15, 27.12 and 25.91 indicate that the rock units are comagmatic. Mean Zr/Hf (41.69) and Y/Ho (27.18) ratios indicate the host migmatite may be the source rock for the Idanre granite complex.
format Article
author Olagoke, Akinola O.
Ghani, Azman A.
James, Elvaene
author_facet Olagoke, Akinola O.
Ghani, Azman A.
James, Elvaene
author_sort Olagoke, Akinola O.
title Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria
title_short Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria
title_full Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria
title_fullStr Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria
title_full_unstemmed Rare earth elements and fractionation of Zr-Hf and Y-Ho: Implication to petrogenesis of Idanre granite, Nigeria
title_sort rare earth elements and fractionation of zr-hf and y-ho: implication to petrogenesis of idanre granite, nigeria
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2021
url http://eprints.um.edu.my/27055/
_version_ 1735409493559214080
score 13.211869

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