자원환경지질 (Economic and Environmental Geology)

  • 제55권2호
  • /
  • Pages.149-169
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  • 2022
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  • 1225-7281(pISSN)
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  • 2288-7962(eISSN)
대한자원환경지질학회 (The Korean Society of Economic and Environmental Geology)
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인도네시아 석탄 탐사에 관한 고찰: 해외자원개발 조사사업 지원사례들

A Review on Coal Exploration in Indonesia: The Cases of Korean Public-private Cooperation

  • 최영기 (한국광해광업공단 해외조사팀) ;
  • 김병한 (한국광해광업공단 해외조사팀) ;
  • 송영현 (한국광해광업공단 해외조사팀) ;
  • 금교진 (한국광해광업공단 해외조사팀) ;
  • 성준영 (한국광해광업공단 해외조사팀) ;
  • 서창원 (한국광해광업공단 해외조사팀)
  • Choi, Younggi (Overseas Exploration Team, Korea Mine Rehabilitation and Mineral Resources Corp.) ;
  • Kim, Byounghan (Overseas Exploration Team, Korea Mine Rehabilitation and Mineral Resources Corp.) ;
  • Song, Younghyun (Overseas Exploration Team, Korea Mine Rehabilitation and Mineral Resources Corp.) ;
  • Keum, Gyojin (Overseas Exploration Team, Korea Mine Rehabilitation and Mineral Resources Corp.) ;
  • Sung, Junyoung (Overseas Exploration Team, Korea Mine Rehabilitation and Mineral Resources Corp.) ;
  • Seo, Changwon (Overseas Exploration Team, Korea Mine Rehabilitation and Mineral Resources Corp.)
  • 투고 : 2022.04.20
  • 심사 : 2022.04.26
  • 발행 : 2022.04.28
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초록

인도네시아 석탄은 중국, 인도, 한국 등 아시아의 주요 국가들에서 에너지원으로써 널리 소비되고 있다. 민간기업들의 높은 수요로 인해, 인도네시아 석탄 탐사사업은 해외자원개발 조사사업을 통해 가장 많이 지원된 국가이자 광종이다. 본 논문에서는 석탄 탐사를 통해 그동안 축적된 탐사자료를 활용하여 인도네시아 함탄분지와 함탄층의 특성에 대해 종합하여 고찰하고자 한다. 인도네시아의 동부 깔리만탄과 수마트라의 신생대 제3기 퇴적분지들은 동아시아에서 가장 생산적인 함탄분지들이다. 주요 탄층의 산출특성은 지질시대별로 차이를 보인다. 깔리만탄의 바리또 분지와 아셈아셈 분지 내 에오세 탄층들은 탄폭은 얇고 부존 매수가 적은 경향이 있으나, 고열량의 양호한 탄질로 인하여 일찍부터 주요 탐사대상이었다. 후기 올리고세-전기 마이오세 탄층들은 소규모로 부존하지만, 중소규모의 탄광으로 개발하기에 적합하다. 동부 깔리만탄과 수마트라에 걸쳐 광역적으로 분포하는 마이오세-플라이오세 탄층들은 낮은 열량에도 불구하고, 두꺼운 탄폭과 다량의 부존매수의 이점을 활용하여 활발히 개발되고 있다. 다양한 사례들은 효율적이고 성공적인 탐사를 위해 함탄층의 지질학적 부존여건에 대한 전반적인 이해가 선행될 필요가 있음을 보여준다. 본 논문에서 제공하는 인도네시아 함탄분지와 함탄층에 대한 전문학술정보는 향후 우리나라 기업들의 탐사활동에 유용한 참고자료로 활용될 것으로 기대된다.

Indonesia coal is widely consumed as a major energy source in Asian countries, such as China, India, and Korea. In the paper, the characteristics of the coal-bearing basin and coal deposits in Indonesia are comprehensively reviewed using the exploration data accumulated through the coal exploration projects supported by Korean government subsidy. Cenozoic coal bearing sedimentary basins in Indonesia extensively contain coal deposits and are most productive in East Asia. Properties of coal deposits are variable depending on stratigraphy, depositional histories and tectonics. Eocene coal deposits tend to have thinner coal thickness and fewer numbers of coal seams, but have been major exploration targets due to higher calorific value and good coal quality. Late Oligocene-Early Miocene coal deposits occur in small scales, but are suitable enough for small to medium-sized coal mines. Miocene-Pliocene coal deposits, which are widely distributed across East Kalimantan and Sumatra, are being actively mined by taking advantage of thick coal thickness and abundant reserves in spite of their lower calorific values. The experience of various exploration informs that we need to have an overall understanding on geological conditions for successful coal exploration. The details on coal-bearing basin and coal deposits in Indonesia provided through the paper will be useful data for up-coming exploration activities by Korean companies.

키워드

과제정보

이 논문에서 다루어진 탐사사례들은 국고보조사업인 해외자원개발 조사사업에 의해 지원되었다. 조사사업을 지원해온 정부관계부처를 비롯하여 그동안 사명감을 가지고 해외 오지의 어려운 여건속에서 조사사업을 수행해온 대한광업진흥공사, 한국광물자원공사 그리고 한국광해광업공단의 전현직 임직원들께 깊은 사의를 표한다. 논문의 질적 향상을 위해 건설적인 비평을 해 주신 두 익명의 심사위원님들과 권상훈 편집위원장님께 깊은 사의를 표한다.

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