1887

Abstract

Summary

An integrated Geophysical survey are Gravity and AMT has been carried out in Bangka Island to make a delineation of granite that is thought to be the source of tin mineralization.

Gravity anomalies show a high density around the edge of the maps, this high anomaly coincide with metasediment. While the low anomaly is related with alteration zone that surrounded the medium anomaly, it is interpreted as granite.

AMT inversion show an anomaly that confirmed the existence of granite which high density and high resistivity. This is supported by the existence of the low resistivity and low density as kaolin alteration zone that surrounded the anomaly.

The two fault direction are shown by Gravity map and also evident in AMT data. Fault with the trend of NW-SE from Gravity map is coincide with AMT Section, there is a low resistivity contrast extended downward that looks like a fault. On the other side, the high resistivity and high density is highly probable a metasediment unit which is resistive and dense but slipped NE-SW as shown in the gravity map.

The Gravity and AMT surveys delineated the existence of potential of the primary tin deposit of the granite at Bangka Island.

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/content/papers/10.3997/2214-4609.201800407
2018-04-09
2024-03-29
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References

  1. EmponRuswadi
    .[1984] Application of Geophysical Methods to Investigate the Extention of Primary Tin Deposits in the Pemali Open Pit Mine, Bangka, Indonesia. Nanning, China: International symposium on the geology of tin deposit.
    [Google Scholar]
  2. Gongjian, Wu and Rui, Gao
    . [1984] Some Results and Prospects in the Application of Geophysical and Geochemical Methods to the Search for Tin Deposits. Nanning, China: International symposium on the geology of tin deposit.
    [Google Scholar]
  3. Hutchison, C.S.
    , [1984] The tin metallogenic Provinces of S.E.Asia and Chine: A Gondwanaland Inheritance. Nanning, China: International symposium on the geology of tin deposit
    [Google Scholar]
  4. Liew, T.C.
    , [1983] Petrogenesys of the Peninsular Malaysian Granitoid Batholiths. Unpubl. Ph.D. thesis,, Austrialian National Univ., Canberra.
    [Google Scholar]
  5. S.AndiMangga and B.Djamal
    . [1994] Geological Map of the North Bangka sheet, Sumatra, Geological Research and Development Centre.
    [Google Scholar]
  6. Maninji, Lameck
    . [2015] Geology and Deposit Model of Primary Tin Mineralization in Bangka Island, Indonesia: Case Study on Pemali Tin Mine. Unpubl. Thesis, Yogyakarta: UGM.
    [Google Scholar]
  7. MacInnes, Scott.
    [2010] MTEdit Documentation. Zonge Engineering and Research Organization, Inc.
    [Google Scholar]
  8. MacInnes, S.C., and Zonge, K.L.
    [1999] Two-dimensional Modeling of Far-Field CSAMT and ATM with Topography. Northwest Miner’s Association Convention, Anchorage, AK, November 1999.
    [Google Scholar]
  9. Nabighian, M. N.
    , [1972] The Analytic Signal of Two-Dimensional Magnetic Bodies with Polygonal Cross-Section: Its Properties and Use for Automated Anomaly Interpretation: Geophysics, vol. 37, no. 3, p507–517
    [Google Scholar]
  10. [1974] Additional Comments on the Analytic Signal of Two-Dimensional Magnetic Bodies with Polygonal Cross-Section: Geophysics, vol. 39, no. 1, p85–92.
    [Google Scholar]
  11. Parker
    . 1980. The Inverse Problem of Electromagnetic Induction: existence and construction of solutions based on incomplete data. Journal of Geophysical Research, v85, p4421–4428.
    [Google Scholar]
  12. S.AndiMangga and B.Djamal
    . [1994] Geological Map of the North Bangka sheet, Sumatra, Geological Research and Development Centre.
    [Google Scholar]
  13. Sutarno,D and Vozoff,K.
    [1991]. Phase-smoothed Robust M-Estimation of Magnetotelluric Impedance Function. Geophysics v56 p.1999–2007.
    [Google Scholar]
  14. Telford, W.M., GeldartL.P. dan SheriffR.E.
    [1990] Applied Geophysics Second Edition, Cambridge University Press, Cambridge.
    [Google Scholar]
  15. Wight, D.E. and F.X.Bostick
    . [1980] Cascade Decimation A Technique for Real Time Estimaition of Power Spectra. Proc. IEEE Intern. Conf. Acoustic, Speech Signal Processing, Denver, Colorado, April 9–11, pp.626–629
    [Google Scholar]
  16. Wikarno, D.A.D. Suyatna, and S.Sukardi
    . [1984] Granitoids of Sumatra and the Tin Island. Nanning, China: International Symposium on the geology of tin deposit.
    [Google Scholar]
  17. WilliamJ.Hinze, RalphR. B. Vonfrese and AfifH.Saad
    . [2013] Gravity and Magnetic Exploration, Cambridge University Press, New York, in The United States of America.
    [Google Scholar]
  18. ZulfikarAmrullah
    .[2016] Exploration Report of geological mapping in Bangka island (unpublished).
    [Google Scholar]
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