Earth Sciences

Volume 4, Issue 4, August 2015

  • Trend of Mineral Commodity Price and its Impact on the Indonesia Economy 1990-2025

    Ukar Wijaya Soelistijo, Pakerti Lutzow Anjani, Hanif Ikhsan Pratama, Hariono La Pili, Mixsindo Korra Herdyanti

    Issue: Volume 4, Issue 4, August 2015
    Pages: 129-145
    Received: 24 May 2015
    Accepted: 29 May 2015
    Published: 29 June 2015
    Abstract: Indonesia is one of the mineral rich developing countries in the world. Indonesia has a large quantity of mineral resources such as natural oil and gas, hard minerals (metallic, non metallic/industrial mineral, coal, and stone), because it is located in the Pacific ring of fire. Mineral and energy commodities have always been giving contribution to... Show More
  • The Migration Mechanism of Arsenic Ions Under the Effect of Temperature in Yunnan Laterite

    Peng Liu, Ying Huang, Min He

    Issue: Volume 4, Issue 4, August 2015
    Pages: 146-149
    Received: 1 June 2015
    Accepted: 9 June 2015
    Published: 4 July 2015
    Abstract: This article considers the temperature influence of pollution transportation base on the transportation model of pollution in groundwater to finish the article by using Macro and micro method, the combination of theoretical analysis, experimental research methods and numerical simulation. Established the transportation model for consider temperatur... Show More