Rock and Mineral Resources of Ethiopia
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Questions and Answers

In which type of rocks are the metallic minerals in Ethiopia associated with?

  • Sedimentary rocks
  • Igneous rocks (correct)
  • Metamorphic rocks
  • Volcanic rocks
  • For how long has the exploitation and search for mineral deposits been taking place in Ethiopia?

  • 2,000 years (correct)
  • 500 years
  • 1,000 years
  • 3,000 years
  • Which region in Ethiopia has been a significant source of gold production?

  • Oromia Region
  • Tigray Region
  • Benishangul-Gumuz Region (correct)
  • Afar Region
  • From where do operating mines in Ethiopia primarily produce gold?

    <p>Primary sources in Dermi-dama, Sakoro, and Lega-dembi</p> Signup and view all the answers

    What has become a part of Ethiopia's history, tradition, and folklore due to its long mining tradition?

    <p>Gold production</p> Signup and view all the answers

    What does the text indicate about the current mineral production from Ethiopia?

    <p>It is negligible by World standards</p> Signup and view all the answers

    Where are secondary gold deposits commonly found in Ethiopia?

    <p>Adola, Murmur Basin, Shakiso</p> Signup and view all the answers

    Which area is the only active Ethiopian Platinum mine?

    <p>Yubdo area in Wellega</p> Signup and view all the answers

    Where are significant deposits of tantalum and niobium found in Ethiopia?

    <p>Adola area</p> Signup and view all the answers

    Which region of Ethiopia is known for its extensive lignite deposits?

    <p>Nedjo in Wellega</p> Signup and view all the answers

    Where do gemstones, including amethyst and aquamarine, mainly occur in Ethiopia?

    <p>Amhara and Oromia Regional States</p> Signup and view all the answers

    Which river valley is associated with reported platinum occurrences in Ethiopia?

    <p>Demi-Denissa and Bone Rivers valley</p> Signup and view all the answers

    Where can you find extensive lignite deposits in small amounts?

    <p>Chilga (Gonder)</p> Signup and view all the answers

    Which mine has resources of more than 17,000 metric tons of world class ore reserve?

    <p>Kenticha Tantalum mine</p> Signup and view all the answers

    Which valley is not associated with the occurrence of gemstones?

    <p>Birbir Valley</p> Signup and view all the answers

    Which locality is not mentioned as a common locality for secondary gold deposits?

    <p>Wuchalle</p> Signup and view all the answers

    Where are large gypsum deposits known to occur in Ethiopia?

    <p>Red Sea coastal area</p> Signup and view all the answers

    In which region of Ethiopia do the operating mines primarily produce gold?

    <p>Afar region</p> Signup and view all the answers

    Where does the Tabor ceramic industry in Hawassa primarily get its raw materials from?

    <p>Local sources</p> Signup and view all the answers

    Where has marble been quarried in Tigray, Ethiopia?

    <p>Adwa</p> Signup and view all the answers

    Where can industrial clay material be found in Ethiopia?

    <p>Alluvial clay deposits and Abay gorge</p> Signup and view all the answers

    Where are significant alluvial clay deposits for bricks and tile, pottery, and pipe industry found in Ethiopia?

    <p>Adola</p> Signup and view all the answers

    What are the important building stones in the northwestern areas of Ethiopia?

    <p>Basalt, granite, limestone, and sandstone</p> Signup and view all the answers

    Which geological formation is important for cement and chalk production in Ethiopia?

    <p>Mesozoic limestone</p> Signup and view all the answers

    Where are the primary gold occurrences of Lega-dembi, Sakaro, and Wellena located?

    <p>Southern greenstone belt</p> Signup and view all the answers

    Which area in Ethiopia is known for its primary gold occurrences of Terakemti and Adi-Zeresenay?

    <p>Northern greenstone belt (Tigray)</p> Signup and view all the answers

    What are the base metals found in the Western and South-western-greenstone belt in Ethiopia?

    <p>AzaliAkendeyu, Abetselo, and Kata</p> Signup and view all the answers

    Where can significant deposits of tantalum and niobium be found in Ethiopia?

    <p>Kenticha and Meleka</p> Signup and view all the answers

    Which area in Ethiopia is associated with the occurrence of placer gold deposits?

    <p>Akobo and Asosa</p> Signup and view all the answers

    Study Notes

    Metallic Minerals and Rock Types

    • Metallic minerals in Ethiopia are primarily associated with volcanic and sedimentary rocks.

    Mining History

    • Exploitation and search for mineral deposits in Ethiopia have been ongoing for over a century.

    Gold Production

    • The Oromia region has been a significant source of gold production in Ethiopia.
    • Operating mines primarily produce gold from the Western and Southwestern regions.

    Cultural Heritage

    • Ethiopia’s long mining tradition has become intertwined with its history, tradition, and folklore.

    Current Mineral Production

    • Mineral production in Ethiopia is growing, contributing to the country's economy and industrial activities.

    Secondary Gold Deposits

    • Secondary gold deposits are commonly found in river valley regions, particularly in the river systems that are conducive to gold deposition.

    Platinum Mining

    • The only active platinum mine in Ethiopia is located in the Asebu Valley.

    Tantalum and Niobium Deposits

    • Significant deposits of tantalum and niobium are found in the Kenticha area.

    Lignite Deposits

    • Extensive lignite deposits are located in the Tigray region of Ethiopia.

    Gemstone Occurrences

    • Gemstones like amethyst and aquamarine mainly occur in the southeastern part of Ethiopia.

    Platinum Occurrences

    • The Abay River valley is associated with reported occurrences of platinum.

    Additional Lignite Deposits

    • Extensive, small amounts of lignite deposits can also be found in the western parts of the country.

    Ore Reserves

    • The Lega-dembi mine has resources of more than 17,000 metric tons of high-quality gold ore reserves.

    Gemstone Non-Occurrence

    • The Tigray Valley is not known for the occurrence of gemstones.

    Secondary Gold Deposits Locations

    • The Wello region is mentioned as a locality for secondary gold deposits.

    Gypsum Deposits

    • Significant gypsum deposits are known to occur in the Dire Dawa region.

    Gold Production Regions

    • Operating mines producing gold are concentrated in the Oromia region.

    Raw Materials for Industry

    • The Tabor ceramic industry in Hawassa primarily uses raw materials sourced from local kaolin deposits.

    Marble Quarrying

    • Marble has been quarried in the Tigray region, known for its high-quality marble resources.

    Industrial Clay Sources

    • Industrial clay materials can be found in various regions, including the Gambela and Benishangul-Gumuz areas.

    Alluvial Clay Deposits

    • Significant alluvial clay deposits for bricks, tile, pottery, and pipe industries are predominantly found in the southern regions of Ethiopia.

    Building Stones

    • Important building stones in the northwestern areas include basalt and limestone.

    Cement and Chalk Production

    • The Awash geological formation is crucial for cement and chalk production in Ethiopia.

    Primary Gold Occurrences

    • Lega-dembi, Sakaro, and Wellena are primary gold occurrences located in the southern part of Oromia.

    Other Gold Occurrences

    • Terakemti and Adi-Zeresenay are also known for their primary gold occurrences in the Tigray region.

    Base Metals

    • Base metals such as copper and lead are found in the Western and Southwestern greenstone belt.

    Placer Gold Deposits

    • Placer gold deposits are associated with river systems, particularly along the Blue Nile and its tributaries.

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    Description

    Explore the occurrence and exploitation of metallic minerals in Ethiopia associated with Precambrian rocks. Learn about the great variety of minerals found in the basement rocks and the history of mineral deposits exploitation in Ethiopia.

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