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Block Caving Mining Method: Transformation and Its Potency in Indonesia

Author

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  • Sari Melati

    (Geomechanics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Mining Engineering Study Program, Faculty of Engineering, Universitas Lambung Mangkurat, Banjarbaru 70714, Indonesia
    Mining Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia)

  • Ridho Kresna Wattimena

    (Geomechanics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Mining Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia)

  • David Prambudi Sahara

    (Global Geophysics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Geophysical Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia)

  • Syafrizal

    (Mining Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Earth Resources Exploration Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia)

  • Ganda Marihot Simangunsong

    (Geomechanics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Mining Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia)

  • Wahyu Hidayat

    (Geophysical Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Geophysical Engineering Study Program, Faculty of Technology Mineral, UPN Veteran, Yogyakarta 55283, Indonesia)

  • Erwin Riyanto

    (Geophysical Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
    Geoengineering Division, PT Freeport Indonesia, Mimika 99968, Indonesia)

  • Raden Roro Shinta Felisia

    (English Literature Study Program, Faculty of Letters and Cultures, Universitas Gunadarma, Jakarta 16452, Indonesia)

Abstract

The block caving mining method has become increasingly popular in the last two decades. Meanwhile, Indonesia has several potential ore bodies which have not yet determined suitable mining methods. The references to block caving mining projects worldwide and the potency of metal deposits in Indonesia were reviewed to determine the requirements of ore bodies suitable for mining using the transformed block caving method. This method can be applied on a blocky ore body with a thickness of 200–800 m, various rock mass strengths until 300 MPa, from low to high (from 0.3% Cu until more than 1.0% Cu), but of uniform grade and at a depth from 500 to 2200 m. The technical specifications for running block caving mines have been synthesized, including preparation methods, undercutting strategy, mine design, mining equipment and monitoring. Considering the requirements and the successful practice of the block caving project in the Grasberg Caving Complex as a role model, the Indonesian government should concentrate on the detailed exploration of porphyry deposits and feasibility studies on applying the method to the prospective ore bodies, i.e., Onto, Tambulilato, Tumpangpitu and Randu Kuning. In addition, the exploration method, cost, operation, environment, mining policy and social geology are important aspects worth noting.

Suggested Citation

  • Sari Melati & Ridho Kresna Wattimena & David Prambudi Sahara & Syafrizal & Ganda Marihot Simangunsong & Wahyu Hidayat & Erwin Riyanto & Raden Roro Shinta Felisia, 2022. "Block Caving Mining Method: Transformation and Its Potency in Indonesia," Energies, MDPI, vol. 16(1), pages 1-36, December.
  • Handle: RePEc:gam:jeners:v:16:y:2022:i:1:p:9-:d:1008867
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    References listed on IDEAS

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