The Bateka iron prospect is situated in the lower Dja Serie which constitutes one of the Proterozoic cover series of the Congo Craton in Cameroon. Field mapping surveys for banded iron formations (BIFs) was carried out in this area, and samples submitted for quantitative X-ray diffractometry and Inductively Coupled Plasma-Mass Spectrometry analyses. The objective of this study was to constraint petrography, mineralogy and geochemical composition to delineate the petrogenesis and the origin of Bateka banded iron formation. Bateka BIFs are slightly to moderately magnetic, laminated, exhibit macroband texture, and are composed of hematite (16.9 - 43.9%), magnetite (1.5 - 5.3%), goethite (1.4 - 23.8%) and amorphous (53.2 - 54%). They show Fe2O3 (90.9 - 99.76%), large ion lithophile elements and transition metals enrichment, and depletion for the rest of major oxides and high field strength elements. PAAS-normalization REEs are fractionated (LaN/YbN = 0.02 - 4.98) and the patterns show light rare earth elements depletion (LaN/SmN = 0.07 – 0.80) relative to heavy rare earth elements (GdN/YbN = 0.61 -7.41) and a positive Eu anomaly (Eu/Eu* = 1.05 - 1.83). The chemical composition of the Bateka iron prospect is similar to Algoma-type BIFs and based on the high Fe2O3 content, this deposit is classified as oxide facies. The overall composition of Bateka iron prospect is in accordance with the hydrothermal and Red Sea deposits and have been deposited close to the distal position. The Bateka BIFs have the composition of peraluminous sediments, they derived from Archean volcano-sedimentary materials. Their sediment provenance indicates mature pelitic greywacke that were deposited in an oceanic island arc environment from basaltic and andesitic detritus setting, where conditions were anoxic with fast sedimentation.
| Published in | Frontiers (Volume 2, Issue 3) |
| DOI | 10.11648/j.frontiers.20220203.13 |
| Page(s) | 124-142 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Bateka Iron Prospect, Lower Dja Serie, Oxide Facies, Distal Position, Peraluminous Sediments, Mature Pelitic Greywacke
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APA Style
Ndema Mbongue Jean-Lavenir, Peter Namange, Ngoran Gilles, Bafon Godlove, Nchimenyi Sobse, et al. (2022). Petrogenesis of the Bateka Iron Prospect (Lower Dja Series, Proterozoic Cover of the Congo Craton - Cameroon). Frontiers, 2(3), 124-142. https://doi.org/10.11648/j.frontiers.20220203.13
ACS Style
Ndema Mbongue Jean-Lavenir; Peter Namange; Ngoran Gilles; Bafon Godlove; Nchimenyi Sobse, et al. Petrogenesis of the Bateka Iron Prospect (Lower Dja Series, Proterozoic Cover of the Congo Craton - Cameroon). Frontiers. 2022, 2(3), 124-142. doi: 10.11648/j.frontiers.20220203.13
AMA Style
Ndema Mbongue Jean-Lavenir, Peter Namange, Ngoran Gilles, Bafon Godlove, Nchimenyi Sobse, et al. Petrogenesis of the Bateka Iron Prospect (Lower Dja Series, Proterozoic Cover of the Congo Craton - Cameroon). Frontiers. 2022;2(3):124-142. doi: 10.11648/j.frontiers.20220203.13
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author = {Ndema Mbongue Jean-Lavenir and Peter Namange and Ngoran Gilles and Bafon Godlove and Nchimenyi Sobse and Median Yongye and Moundignigni Amad Badawi},
title = {Petrogenesis of the Bateka Iron Prospect (Lower Dja Series, Proterozoic Cover of the Congo Craton - Cameroon)},
journal = {Frontiers},
volume = {2},
number = {3},
pages = {124-142},
doi = {10.11648/j.frontiers.20220203.13},
url = {https://doi.org/10.11648/j.frontiers.20220203.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.frontiers.20220203.13},
abstract = {The Bateka iron prospect is situated in the lower Dja Serie which constitutes one of the Proterozoic cover series of the Congo Craton in Cameroon. Field mapping surveys for banded iron formations (BIFs) was carried out in this area, and samples submitted for quantitative X-ray diffractometry and Inductively Coupled Plasma-Mass Spectrometry analyses. The objective of this study was to constraint petrography, mineralogy and geochemical composition to delineate the petrogenesis and the origin of Bateka banded iron formation. Bateka BIFs are slightly to moderately magnetic, laminated, exhibit macroband texture, and are composed of hematite (16.9 - 43.9%), magnetite (1.5 - 5.3%), goethite (1.4 - 23.8%) and amorphous (53.2 - 54%). They show Fe2O3 (90.9 - 99.76%), large ion lithophile elements and transition metals enrichment, and depletion for the rest of major oxides and high field strength elements. PAAS-normalization REEs are fractionated (LaN/YbN = 0.02 - 4.98) and the patterns show light rare earth elements depletion (LaN/SmN = 0.07 – 0.80) relative to heavy rare earth elements (GdN/YbN = 0.61 -7.41) and a positive Eu anomaly (Eu/Eu* = 1.05 - 1.83). The chemical composition of the Bateka iron prospect is similar to Algoma-type BIFs and based on the high Fe2O3 content, this deposit is classified as oxide facies. The overall composition of Bateka iron prospect is in accordance with the hydrothermal and Red Sea deposits and have been deposited close to the distal position. The Bateka BIFs have the composition of peraluminous sediments, they derived from Archean volcano-sedimentary materials. Their sediment provenance indicates mature pelitic greywacke that were deposited in an oceanic island arc environment from basaltic and andesitic detritus setting, where conditions were anoxic with fast sedimentation.},
year = {2022}
}
TY - JOUR T1 - Petrogenesis of the Bateka Iron Prospect (Lower Dja Series, Proterozoic Cover of the Congo Craton - Cameroon) AU - Ndema Mbongue Jean-Lavenir AU - Peter Namange AU - Ngoran Gilles AU - Bafon Godlove AU - Nchimenyi Sobse AU - Median Yongye AU - Moundignigni Amad Badawi Y1 - 2022/10/11 PY - 2022 N1 - https://doi.org/10.11648/j.frontiers.20220203.13 DO - 10.11648/j.frontiers.20220203.13 T2 - Frontiers JF - Frontiers JO - Frontiers SP - 124 EP - 142 PB - Science Publishing Group SN - 2994-7197 UR - https://doi.org/10.11648/j.frontiers.20220203.13 AB - The Bateka iron prospect is situated in the lower Dja Serie which constitutes one of the Proterozoic cover series of the Congo Craton in Cameroon. Field mapping surveys for banded iron formations (BIFs) was carried out in this area, and samples submitted for quantitative X-ray diffractometry and Inductively Coupled Plasma-Mass Spectrometry analyses. The objective of this study was to constraint petrography, mineralogy and geochemical composition to delineate the petrogenesis and the origin of Bateka banded iron formation. Bateka BIFs are slightly to moderately magnetic, laminated, exhibit macroband texture, and are composed of hematite (16.9 - 43.9%), magnetite (1.5 - 5.3%), goethite (1.4 - 23.8%) and amorphous (53.2 - 54%). They show Fe2O3 (90.9 - 99.76%), large ion lithophile elements and transition metals enrichment, and depletion for the rest of major oxides and high field strength elements. PAAS-normalization REEs are fractionated (LaN/YbN = 0.02 - 4.98) and the patterns show light rare earth elements depletion (LaN/SmN = 0.07 – 0.80) relative to heavy rare earth elements (GdN/YbN = 0.61 -7.41) and a positive Eu anomaly (Eu/Eu* = 1.05 - 1.83). The chemical composition of the Bateka iron prospect is similar to Algoma-type BIFs and based on the high Fe2O3 content, this deposit is classified as oxide facies. The overall composition of Bateka iron prospect is in accordance with the hydrothermal and Red Sea deposits and have been deposited close to the distal position. The Bateka BIFs have the composition of peraluminous sediments, they derived from Archean volcano-sedimentary materials. Their sediment provenance indicates mature pelitic greywacke that were deposited in an oceanic island arc environment from basaltic and andesitic detritus setting, where conditions were anoxic with fast sedimentation. VL - 2 IS - 3 ER -
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