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Mineralogical Characteristics of Greywackes at Lake Bosomtwe Area in the Ashanti Region of Ghana

Author

Listed:
  • Jamal Osumanu

    (University of Lousiana at Lafayette, USA)

  • Blestmond Brako

    (Kwame Nkrumah University of Science and Technology, Ghana)

  • Obed Kweku Yalley

    (University of Toledo, USA)

  • Ayisi Rasmus Adams

    (Oregon State University, USA)

  • David Appiah

    (University of Louisiana at Lafayette, USA)

  • Mu’awiya Baba Aminu

    (Universiti Sains Malaysia, Malaysia)

Abstract

The mineralogical content and texture of greywackes in the Lake Bosomtwe area of Ghana’s Ashanti Region are examined in this petrographic study. The Graywackes are fine- to medium-grained, poorly sorted, firmly indurated sedimentary rocks. Quartz is the dominant framework component of the studied specimens, and it is both monocrystalline and polycrystalline. The average mineral compositions of the samples are quartz (53%), feldspar (16%), biotite (4%), opaque minerals (2%), and lithic fragments (1%) and classified as feldspathic wacke. The other predominant minerals include orthoclase and plagioclase feldspars. Other constituents include biotite, opaque minerals, and iron oxides. The characteristics of an advanced sedimentary environment with moderate mobility are evident in the rocks. The discoveries broaden our understanding of the Ashanti Region’s geology and have ramifications for resource development, environmental management, and geological study.

Suggested Citation

Handle: RePEc:epw:ejgeo0:v:5:y:2024:i:2:id:16449
DOI: 10.24018/ejgeo.2024.5.2.449
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