The specific locations of graphite exposures in Kagara, their host rocks, as well as their spatial extent and gross volume have hitherto remained unaddressed. This study focused on spatially outlining the deposits and conservatively ascertaining their gross volume, using combined surface geological mapping and geoelectrical surveying techniques. The geoelectrical surveying aspect comprised 1D geoelectrical (electrical resistivity, spontaneous potential, induced polarization) sounding, and 2D geoelectrical (electrical resistivity and induced polarization) tomographic surveying conducted using ABEM Terrameter (SAS 4000). The 1D electrical resistivity data were processed and interpreted using WinResist version1.0 resistivity inversion software. The 2D geoelectrical tomographic data were processed and interpreted using RES2DINV computer program. The rock outcrops found are quartzose - micaceous as well as graphitic schists, amphibolite, quartzite, coarse grained biotite granite, and exposures of graphite bodies. The graphite bodies are hosted within the schist and quartzite. The schist, amphibolite and quartzite rock bodies appear to be lateral metasediment equivalents, and therefore are synchronous. The geoelectrical attributes of the graphite bodies are 2-90 Ωm resistivity value, combined with 1-20 ms induced polarisation and negative spontaneous potential values. The deposits exist within 0.7 – 12 m depth interval, occupy 1470509.0 m2 surface area, and constitute 14705090.0 m3 conservative gross volume. The graphite deposits appear to be sheet like bodies interlaid with the quartzite and schist bodies.
| Published in | Earth Sciences (Volume 11, Issue 3) |
| DOI | 10.11648/j.earth.20221103.14 |
| Page(s) | 79-88 |
| 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), 2024. Published by Science Publishing Group |
Graphite Exposures, Spatially Outlining, Geoelectrical Attributes, Surface Area, Conservative Gross Volume
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APA Style
Christopher Imoukhai Unuevho, Akobundu Nwanosike Amadi, Stephen Jude Ejepu, Emmanuel Emeka Udensi. (2022). Geological and Geo-electrical Outlining of Graphite Deposits Within Kagara, North-Central Nigeria. Earth Sciences, 11(3), 79-88. https://doi.org/10.11648/j.earth.20221103.14
ACS Style
Christopher Imoukhai Unuevho; Akobundu Nwanosike Amadi; Stephen Jude Ejepu; Emmanuel Emeka Udensi. Geological and Geo-electrical Outlining of Graphite Deposits Within Kagara, North-Central Nigeria. Earth Sci. 2022, 11(3), 79-88. doi: 10.11648/j.earth.20221103.14
AMA Style
Christopher Imoukhai Unuevho, Akobundu Nwanosike Amadi, Stephen Jude Ejepu, Emmanuel Emeka Udensi. Geological and Geo-electrical Outlining of Graphite Deposits Within Kagara, North-Central Nigeria. Earth Sci. 2022;11(3):79-88. doi: 10.11648/j.earth.20221103.14
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author = {Christopher Imoukhai Unuevho and Akobundu Nwanosike Amadi and Stephen Jude Ejepu and Emmanuel Emeka Udensi},
title = {Geological and Geo-electrical Outlining of Graphite Deposits Within Kagara, North-Central Nigeria},
journal = {Earth Sciences},
volume = {11},
number = {3},
pages = {79-88},
doi = {10.11648/j.earth.20221103.14},
url = {https://doi.org/10.11648/j.earth.20221103.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20221103.14},
abstract = {The specific locations of graphite exposures in Kagara, their host rocks, as well as their spatial extent and gross volume have hitherto remained unaddressed. This study focused on spatially outlining the deposits and conservatively ascertaining their gross volume, using combined surface geological mapping and geoelectrical surveying techniques. The geoelectrical surveying aspect comprised 1D geoelectrical (electrical resistivity, spontaneous potential, induced polarization) sounding, and 2D geoelectrical (electrical resistivity and induced polarization) tomographic surveying conducted using ABEM Terrameter (SAS 4000). The 1D electrical resistivity data were processed and interpreted using WinResist version1.0 resistivity inversion software. The 2D geoelectrical tomographic data were processed and interpreted using RES2DINV computer program. The rock outcrops found are quartzose - micaceous as well as graphitic schists, amphibolite, quartzite, coarse grained biotite granite, and exposures of graphite bodies. The graphite bodies are hosted within the schist and quartzite. The schist, amphibolite and quartzite rock bodies appear to be lateral metasediment equivalents, and therefore are synchronous. The geoelectrical attributes of the graphite bodies are 2-90 Ωm resistivity value, combined with 1-20 ms induced polarisation and negative spontaneous potential values. The deposits exist within 0.7 – 12 m depth interval, occupy 1470509.0 m2 surface area, and constitute 14705090.0 m3 conservative gross volume. The graphite deposits appear to be sheet like bodies interlaid with the quartzite and schist bodies.},
year = {2022}
}
TY - JOUR T1 - Geological and Geo-electrical Outlining of Graphite Deposits Within Kagara, North-Central Nigeria AU - Christopher Imoukhai Unuevho AU - Akobundu Nwanosike Amadi AU - Stephen Jude Ejepu AU - Emmanuel Emeka Udensi Y1 - 2022/05/31 PY - 2022 N1 - https://doi.org/10.11648/j.earth.20221103.14 DO - 10.11648/j.earth.20221103.14 T2 - Earth Sciences JF - Earth Sciences JO - Earth Sciences SP - 79 EP - 88 PB - Science Publishing Group SN - 2328-5982 UR - https://doi.org/10.11648/j.earth.20221103.14 AB - The specific locations of graphite exposures in Kagara, their host rocks, as well as their spatial extent and gross volume have hitherto remained unaddressed. This study focused on spatially outlining the deposits and conservatively ascertaining their gross volume, using combined surface geological mapping and geoelectrical surveying techniques. The geoelectrical surveying aspect comprised 1D geoelectrical (electrical resistivity, spontaneous potential, induced polarization) sounding, and 2D geoelectrical (electrical resistivity and induced polarization) tomographic surveying conducted using ABEM Terrameter (SAS 4000). The 1D electrical resistivity data were processed and interpreted using WinResist version1.0 resistivity inversion software. The 2D geoelectrical tomographic data were processed and interpreted using RES2DINV computer program. The rock outcrops found are quartzose - micaceous as well as graphitic schists, amphibolite, quartzite, coarse grained biotite granite, and exposures of graphite bodies. The graphite bodies are hosted within the schist and quartzite. The schist, amphibolite and quartzite rock bodies appear to be lateral metasediment equivalents, and therefore are synchronous. The geoelectrical attributes of the graphite bodies are 2-90 Ωm resistivity value, combined with 1-20 ms induced polarisation and negative spontaneous potential values. The deposits exist within 0.7 – 12 m depth interval, occupy 1470509.0 m2 surface area, and constitute 14705090.0 m3 conservative gross volume. The graphite deposits appear to be sheet like bodies interlaid with the quartzite and schist bodies. VL - 11 IS - 3 ER -
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