Establishing mining deposit groups and exploration grid patterns in the Binh Minh Coal Mine, Quang Ninh Province by using Geo-mathematical models

  • Affiliations:

    1 Hanoi University of Mining and Geology, Hanoi, Vietnam
    2 Vinacomin Informatics, Technology, Environment Joint stock Company, Hanoi, Vietnam

  • *Corresponding:
    This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Received: 23rd-Nov-2021
  • Revised: 17th-Mar-2022
  • Accepted: 5th-Apr-2022
  • Online: 30th-Apr-2022
Pages: 15 - 30
Views: 4089
Downloads: 2355
Rating: 5.0, Total rating: 234
Yours rating

Abstract:

Binh Minh mine is one of the major mines of the Quang Ninh coal basin and contributes significantly to the country's annual coal reserves. Based on collected data, the paper has synthesized and processed geological data especially applied mathematical methods to identify research objects and describe quantitative properties. The results indicate that the coal seams belong to the group of medium and thick seams, the thickness of the entire seam changes complicatedly, with variable thickness are unstable, its coefficient of variation (Vm = 53.5 and 97.7%); the variable slope angle is stable (Vα = 29.4 and 44.1%); coal ash level is relatively stable (VA = 56.1 and 74.6%). Coal seams in the group of seams have a level of complexity from simple to relatively complex with the coefficient of formation (Kcc = 0.84 and 0.96); rate of interbedding rock (Kk = 8 and 24%); thickness of interbedding rock (Mk = 0.16 and 1.34 m). Quantitative calculation results have shown that the Binh Minh coal deposit belongs to the type III of mining exploration groups. For an exploration of this type of mineral, it is recommended to use a linear grid pattern. The appropriate exploration grid pattern for reserve level 122 is (200÷250)×(90÷100) m. Research results are the basis for proposing technical means of coal exploration in mines and areas with similar geological and mineral conditions.

How to Cite
Do, A.Manh, Nguyen, D.Tien, Nguyen, T.Thanh Thi, Nguyen, H.Hoang, Pham, A.Tuan and Dinh, T.Ba 2022. Establishing mining deposit groups and exploration grid patterns in the Binh Minh Coal Mine, Quang Ninh Province by using Geo-mathematical models (in Vietnamese). Journal of Mining and Earth Sciences. 63, 2 (Apr, 2022), 15-30. DOI:https://doi.org/10.46326/JMES.2022.63(2).02.
References

Albarède, F. (1996). Introduction to geochemical modeling. Cambridge University Press.

Ministry of Natural Resources and Environment (2007). Circular codification of reserve and coal resources. No. 25/2007/QĐ-BTNMT, December 31, 2007. (in Vietnamese)

Bui, V.S. (ed.) (1997). Report on the exploration results of the Binh Minh coal mine. Department of Geology and Mineral Resources. (in Vietnamese)

Cressie, N.A.C. (1993). Statistics for Spatial Data, 2nd ed. New York: Wiley.

Davis, J.C. and Sampson, R.J. (1986). Statistics and data analysis in geology (Vol. 646). Wiley New York.

Do, M.A., Nguyen, T.D., Bui, H.B., Khuong, T.H. (2018). Morphological and structural features of coal beds and their influence on the exploration and exploitation in southern wings of Mao Khe Mine, Quang Ninh. Journal of Mining and Earth Sciences, Vol. 59, No. 2, pp. 40-48. (in Vietnamese)

Gandhi, S.M., and Sarkar, B.C. (2016). Essentials of Mineral Exploration and Evaluation. Elsevier, Amsterdam, Netherlands, 406 pp. 

Gomez, M., and Hazen, K. (1970). Evaluating sulfur and ash distribution in coal seams by statistical response surface regression analysis. US Department of the Interior, Bureau of Mines. Washington.

Heriawan, M.N., and Koike, K. (2008). Identifying spatial heterogeneity of coal resource quality in a multilayer coal deposit by multivariate geostatistics. International Journal of Coal Geology, Vol. 73, No. 3, pp. 307-330. https://doi.org/10. 1016/j.coal. 2007.07.005

Hindistan, M.A., Tercan, A.E., and Ünver, B. (2010). Geostatistical coal quality control in longwall mining. International Journal of Coal Geology, Vol. 81, No. 3, pp. 139-150. https://doi.org/10.1016/j. coal.2009.12.014

Hung, K.T., Khang, L.Q., Sang, P.N., and Vuong, H.V. (2021). Establishing a Tungsten Deposit Group and a Pattern Grid Exploration in the Nui Phao Area, Northeastern Vietnam. Proceedings of the International Conference on Innovations for Sustainable and Responsible Mining, pp. 58-78.

Kazdan, A.B. (1974). Basis of mineral exploration methods (in Russian). Nedra Publishers, Moscow.

Khang, L.Q., Hung, K.T., Tuong, N.V., Thu, L.T. (2020). Study on establishing a mining group of deposits and an exploration grid pattern for lead-zinc ore in the Ban Lim area, Cao Bang province. Journal of Mining and Earth Sciences, Vol. 61, No. 3, pp. 38-50.

Krumbein, W.C. (1968). Statistical models in sedimentology 1. Sedimentology, Vol. 10, No. 1, pp. 7-23.

Kuzmin, V.I. (1972). Geometrization and estimation of solid mineral reserves (in Russian). Nedra Publishers, Moscow.

Le, H. (ed.), (1996). Report on the mapping of geological and mineral resources at a scale of  1:50,000 of Cam Pha sheet group, Quang Ninh. Vietnam Institue of Geoscience and Mineral resources. (in Vietnamese)

Matheron, G. (1963). Principles of geostatistics. Economic Geology, Vol. 58, No. 8, pp. 1246-1266. https:// doi.org/10.2113/gsecongeo.58.8.1246

Nguyen, V.C. (ed.) (2001). Report on the exploration results of the eastern Binh Minh coal mine. Department of Geology and Mineral Resources. (in Vietnamese)

Nguyen, V.S. (ed.) (2012). Report on the results of the phase I investigation of the project to investigate and evaluate coal potential under -300 m in the Quang Ninh coal basin. Department of Geology and Mineral Resources. (in Vietnamese)

Olea, R.A., Luppens, J.A., and Tewalt, S.J. (2011). Methodology for quantifying uncertainty in coal assessments with an application to a Texas lignite deposit. International Journal of Coal Geology, Vol. 85, No. 1, pp. 78-90. https://doi.org/10. 1016/j.coal.2010.10.001

Pham, T.A. (ed.) (2010). Report on results of calculation and conversion of reserves and resource levels of the Binh Minh coal mine, Ha Long, Quang Ninh. Vinacomin-Informatics, Technology, EnvironmentJoint Stock Company. (in Vietnamese)

Pogrebiski, E.O. (1973). Prospecting and exploration of mineral deposits (in Russian). Nedra Publishers, Moscow.

Read, W.A., and Dean, J.M. (1968). A quantitative study of a sequence of coal-bearing cycles in the Namurian of central Scotland. Sedimentology, Vol. 10, pp. 121-136.

Rưjov, P.A., Gudkov, V.M. (1966). Applying statistical models in mineral resource exploration (in Russian). Nedra Publishers, Moscow.

Saikia, K., and Sarkar, B.C. (2006). Exploration drilling optimization using geostatistics: a case in Jharia Coalfield, India. Applied Earth Science, Vol. 115, No. 1, pp. 13-22. https://doi.org/10.1179/174 327506X102787

Saikia, K., Sarkar, B.C., and Sinha, P.M. (2007). Application of kriging and simulated annealing for spatial variability modeling of a coal seam. Applied Earth Science, Vol. 116, No. 1, pp. 37-48. https://doi.org/10.1179/174327507X167000

Saikia, K., and Sarkar, B.C. (2013). Coal exploration modeling using geostatistics in Jharia coalfield, India. International Journal of Coal Geology, Vol. 112, pp. 36-52. https://doi.org/10. 1016/j.coal.2012.11.012

Sarkar, B.C., Saikia, K., Sarma, M., Pandey, S., and Paul, P.R. (2007). A geostatistical approach to the estimation of coal bed methane potentiality in a selected part of Jharia coalfield, Jharkhand. Journal of Mines, Metals and Fuels, Vol. 55.

Webster, R., Oliver, M.A. (2007). Geostatistics for environmental scientists. John Wiley and Sons.