Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo

MUGARUKA BIBENTYO, Toussaint; CIRHUZA CIRIMWANI, Rodrigue; MUGISHO BIRHENJIRA, Espoir; BASIMIKE TCHANGABOBA, Joseph; GANZA BAMULEZI, Gloire; KAPAJIKA BADIBANGA, Corneille; NZOLANG, Charles

[ Pétrographie et Géochimie des gneiss Kibariens de Miowe-Bulambika à Bunyakiri, Sud-Kivu, RD Congo ]

Volume 11, Issue 2, May 2015, Pages 376–386

Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo

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@article{IJIAS-15-039-07,
author = {Toussaint MUGARUKA BIBENTYO and Rodrigue CIRHUZA CIRIMWANI and Espoir MUGISHO BIRHENJIRA and Joseph BASIMIKE TCHANGABOBA and Gloire GANZA BAMULEZI and Corneille KAPAJIKA BADIBANGA and Charles NZOLANG},
title = {{Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo}},
journal = {International Journal of Innovation and Applied Studies},
volume = {11},
year = {2015},
pages = {376--386},
issue = {2},
number = {2},
issn = {2028-9324},
url = {http://www.ijias.issr-journals.org/abstract.php?article=IJIAS-15-039-07},
abstract_html_url = {http://www.ijias.issr-journals.org/abstract.php?article=IJIAS-15-039-07},
pdf_url = {http://www.issr-journals.org/links/papers.php?journal=ijias&application=pdf&article=IJIAS-15-039-07},
document_type={Article},
source={www.issr-journals.org}
}

TY  - JOUR
ID  - 
TI  - Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo
AU  - Toussaint MUGARUKA BIBENTYO
AU  - Rodrigue CIRHUZA CIRIMWANI
AU  - Espoir MUGISHO BIRHENJIRA
AU  - Joseph BASIMIKE TCHANGABOBA
AU  - Gloire GANZA BAMULEZI
AU  - Corneille KAPAJIKA BADIBANGA
AU  - Charles NZOLANG
PY  - 2015
VL  - 11
IS  - 2
SP  - 376
EP  - 386
JO  - International Journal of Innovation and Applied Studies
T2  - International Journal of Innovation and Applied Studies
SN  - 20289324
UR  - http://www.ijias.issr-journals.org/abstract.php?article=IJIAS-15-039-07
AB  - This work aims at the understanding of the petrogenesis of Kibarian metamorphic formations in the West part of Lake Kivu. Here are presented detailed petrographic study of Miowe and Bulambika gneisses at Bunyakiri, new geochemical data of major elements and a large-scale geological map of the study area. The macroscopic petrographic study has distinguished in Miowe and Bulambika gneiss two lithological facies: the augen gneiss and the granitic gneiss. Veins and pegmatite pockets are observed in these gneisses. The geochemical study on basis of major elements revealed that these gneisses derived from a metamorphic evolution of granites and granodiorites of calc-alkaline series. They are therefore formed in a geodynamic context of subduction.
ER  -

TY  - JOUR
ID  - 
TI  - Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo
AU  - Toussaint MUGARUKA BIBENTYO
AU  - Rodrigue CIRHUZA CIRIMWANI
AU  - Espoir MUGISHO BIRHENJIRA
AU  - Joseph BASIMIKE TCHANGABOBA
AU  - Gloire GANZA BAMULEZI
AU  - Corneille KAPAJIKA BADIBANGA
AU  - Charles NZOLANG
PY  - 2015
VL  - 11
IS  - 2
SP  - 376
EP  - 386
JO  - International Journal of Innovation and Applied Studies
SN  - 20289324
AB  - 
This work aims at the understanding of the petrogenesis of Kibarian metamorphic formations in the West part of Lake Kivu. Here are presented detailed petrographic study of Miowe and Bulambika gneisses at Bunyakiri, new geochemical data of major elements and a large-scale geological map of the study area. The macroscopic petrographic study has distinguished in Miowe and Bulambika gneiss two lithological facies: the augen gneiss and the granitic gneiss. Veins and pegmatite pockets are observed in these gneisses. The geochemical study on basis of major elements revealed that these gneisses derived from a metamorphic evolution of granites and granodiorites of calc-alkaline series. They are therefore formed in a geodynamic context of subduction.
ER  -

RT Journal Article
ID IJIAS-15-039-07
A1 Toussaint MUGARUKA BIBENTYO
A1 Rodrigue CIRHUZA CIRIMWANI
A1 Espoir MUGISHO BIRHENJIRA
A1 Joseph BASIMIKE TCHANGABOBA
A1 Gloire GANZA BAMULEZI
A1 Corneille KAPAJIKA BADIBANGA
A1 Charles NZOLANG
YR 2015
T1 Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo
JF International Journal of Innovation and Applied Studies

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Toussaint MUGARUKA BIBENTYO¹, Rodrigue CIRHUZA CIRIMWANI², Espoir MUGISHO BIRHENJIRA³, Joseph BASIMIKE TCHANGABOBA⁴, Gloire GANZA BAMULEZI⁵, Corneille KAPAJIKA BADIBANGA⁶, and Charles NZOLANG⁷

¹ Département de Géologie, Université Officielle de Bukavu, Sud-kivu, RD Congo
² Département de Géologie, Université Officielle de Bukavu, Sud-kivu, R.D. Congo
³ Département de Géologie, Université Officielle de Bukavu, Sud-kivu, R.D. Congo
⁴ Département de Géologie, Université Officielle de Bukavu, Sud-kivu, R.D. Congo
⁵ Département de Géologie, Université Officielle de Bukavu, Sud-kivu, R.D. Congo
⁶ Département de Géologie, Université de Lubumbashi, Katanga, R.D. Congo
⁷ Département de Géologie, Université Officielle de Bukavu, Sud-kivu, R.D. Congo

Original language: French

Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This work aims at the understanding of the petrogenesis of Kibarian metamorphic formations in the West part of Lake Kivu. Here are presented detailed petrographic study of Miowe and Bulambika gneisses at Bunyakiri, new geochemical data of major elements and a large-scale geological map of the study area. The macroscopic petrographic study has distinguished in Miowe and Bulambika gneiss two lithological facies: the augen gneiss and the granitic gneiss. Veins and pegmatite pockets are observed in these gneisses. The geochemical study on basis of major elements revealed that these gneisses derived from a metamorphic evolution of granites and granodiorites of calc-alkaline series. They are therefore formed in a geodynamic context of subduction.

Author Keywords: augen gneiss, granitic gneiss, pegmatite, geochemistry.

Abstract: (french)

Ce travail est une contribution à la compréhension de la pétrogenèse des formations métamorphiques kibariens à l'Ouest du lac Kivu. Nous présentons une étude pétrographique détaillée des gneiss de Miowe et Bulambika à Bunyakiri et des nouvelles données géochimiques des éléments majeurs ainsi qu'une carte géologique à grande échelle du secteur d'étude. L'étude pétrographique macroscopique a permis de distinguer dans les gneiss de Miowe et Bulambika, deux facies lithologiques qui sont les gneiss oeillés et les gneiss granitiques. Des filons et des poches de pegmatite sont observés dans ces gneiss. L'étude géochimique sur base des éléments majeurs a révélé que ces gneiss proviennent d'une évolution métamorphique des granites et des granodiorites de la série calco-alcalines. Ils se seraient donc formés dans un contexte géodynamique de subduction.

Author Keywords: gneiss oeillé, gneiss granitique, pegmatite, géochimie.

How to Cite this Article

Toussaint MUGARUKA BIBENTYO, Rodrigue CIRHUZA CIRIMWANI, Espoir MUGISHO BIRHENJIRA, Joseph BASIMIKE TCHANGABOBA, Gloire GANZA BAMULEZI, Corneille KAPAJIKA BADIBANGA, and Charles NZOLANG, “Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo,” International Journal of Innovation and Applied Studies, vol. 11, no. 2, pp. 376–386, May 2015.

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Petrography and Geochemistry of Miowe-Bulambika kibarian gneisses at Bunyakiri, South-Kivu, DR Congo

Abstract

Abstract: (french)

How to Cite this Article