Earth Sciences

Volume 3, Issue 2, April 2014

  • Kinematic Assessment of Rock Slope Stability at Obajana and Ewekoro Quarries

    Saliu Muyideen Alade, Shehu Shaib Abdulazeez

    Issue: Volume 3, Issue 2, April 2014
    Pages: 34-41
    Received: Feb. 18, 2014
    Accepted: Apr. 08, 2014
    Published: Apr. 10, 2014
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    Abstract: The research work assessed the stability of rock slopes for optimum exploitation of limestone deposits at Obajana in Kogi State and Ewekoro in Ogun state. Geological mapping was carried out to measure the orientations of discontinuities. The orientation data obtained were plotted on stereonets to determine pole concentration and major joint sets us... Show More
  • Assessment of Excavation Method of Obajana and Ewekoro Limestone Deposits

    SALIU Muyideen Alade, SHEHU Shaib Abdulazeez

    Issue: Volume 3, Issue 2, April 2014
    Pages: 42-49
    Received: Feb. 19, 2014
    Accepted: Apr. 08, 2014
    Published: Apr. 10, 2014
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    Abstract: The research work assessed the optimum excavation method of limestone deposits at Obajana in Kogi State and Ewekoro in Ogun state. Geological mapping was carried out to measure the orientations of discontinuities. The orientation data obtained were plotted on stereonets to determine pole concentration and major joint sets using Dips 5.0 software fr... Show More
  • Surface and Subsurface Temperature Variations during 2009 El Niño Manifestation over Central and Tropical Pacific Ocean

    M. V. Subrahmanyam

    Issue: Volume 3, Issue 2, April 2014
    Pages: 50-57
    Received: Feb. 28, 2014
    Accepted: Apr. 10, 2014
    Published: Apr. 20, 2014
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    Abstract: Tropical Pacific Ocean is an important to study for identifying the influence on Global circulation. El Niño /La Nina even occurs over the tropical Pacific Ocean, with temperatures oscillations. With respect to increase in temperatures, the intensity of El Niño can be divided into strong, moderate and weak. As per the intensity, the year 2009 is a ... Show More
  • Future Trend of Mineral Industries Development in Indonesia

    Ukar Wijaya Soelistijo, La Ode Aswandi

    Issue: Volume 3, Issue 2, April 2014
    Pages: 58-67
    Received: Apr. 15, 2014
    Accepted: Apr. 26, 2014
    Published: May 10, 2014
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    Abstract: The aim of this study is to figure out the vision of effort of utilizing the remainder of the available mineral asset in the country, where Indonesia is necessarily seeking new opportunity toward developing mineral industry (hydro-carbon, metal, and non-metal) such as fine chemical industry, alloy (stainless/tool steel), fibre, ceramic block, super... Show More