Journals →  Gornyi Zhurnal →  2017 →  #3 →  Back

PROCESSING AND COMPLEX USAGE OF MINERAL RAW MATERIALS
ArticleName Assessment of nonuniformity and spatial variability of coal quality indexes
DOI 10.17580/gzh.2017.03.09
ArticleAuthor Kuznetsov P. Yu., Grib N. N., Skomoroshko Yu. N.
ArticleAuthorData

Technical Institute (Division), Ammosov North-Eastern Federal University, Neryungri, Russia:

P. Yu. Kuznetsov, Associate Professor, Candidate of Geologo-Mineralogical Sciences
N. N. Grib, Deputy Director of Scientific Work, Head of a Chair, Doctor of Engineering Sciences, grib@nfygu.ru
Yu. N. Skomoroshko, Associate Professor, Candidate of Engineering Sciences

Abstract

The article addresses some issues targeted at stage-wise solution of the problem connected with the assessment of nonuniformity and spatial variability in the indexes of coal quality with a view to implementing mathematically validated planning of operational exploration and anticipatory assaying for the purpose of efficient control of a mineral quality as a mine product. To deal with the specified range of the issues, the authors have compiled a database on quality indexes for coal of the Elginskoe deposit in the Southern Yakutia basin using the data on geological exploration. Based on the analysis of information content of the data on the coal quality indexes, the key indexes are determined for the Elginskoe deposit to ensure the required source information to handle the problems of assessment of nonuniformity and spatial variability. In the capacity of the nonuniformity criterion, the value of relative entropy has been assumed in this study. The nonuniformity of the coal quality indexes in terms of the mentioned deposit is assessed both separately and as an integrated estimate of coal beds with regard to the percentage of influence of each quality index on the general index of the strata nonuniformity. Taking into account the entropy-based calculations, the authors have developed the nonuniformity classification in terms of the deposit under analysis. For the assessment of the spatial variability, the coefficient of the spatial information variability has been offered to estimate the minimum number of holes required to find general tendencies of change in the coal quality indexes. Furthermore, the study determines the systemic state of the coal quality indexes based on Bir’s classification of data systems. On the ground of the analysis of the research findings, the authors make recommendations on the further planning of stages of operational exploration and long-term anticipatory assaying with a view to enhancing efficiency of coal product quality control in terms of the Elginskoe bituminous coal deposit.

keywords Coal quality control indexes, relative entropy, spatial information variability coefficient, stability, nonuniformity, variability, operational exploration, long-term anticipatory assaying
References

1. Kazhdan A. B., Guskov O. I. Mathematical methods in geology : tutorial for universities. Moscow : Nedra, 1990. 251 p.
2. Guskov O. I., Kushnarev P. N., Taranov S. M. Mathematical methods in geology : tutorial for universities. Moscow : Nedra, 1991. 205 p.
3. Kazhdan A. B., Guskov O. I., Shimanskiy A. A. Mathematical modeling in geology and exploration of minerals. Moscow : Nedra, 1979. 68 p.
4. Kuznetsov P. Yu. Assessment of spatial variability of rock massif properties for optimization of a range of engineering-geological wells during the exploration of coal deposits (on example of Elga deposit) : thesis of inauguration of Dissertation … of Candidate of Geological-Mineralogical Sciences. Tomsk, 2005. 24 p.
5. Shcheglov V. I. Mathematical modeling methods in geology : tutorial. Novocherkassk : YuRGTU, 2012. 197 p.
6. Marjoribanks R. Geological methods in mineral exploration and mining. New York, Springer, 2010. 238 p.
7. Martynov E. V. Mathematical methods of modeling of parameters of geological processes and phenomena : tutorial. Murmansk, 2011. 136 p.
8. Korobeynikov A. F. Forecasting and exploration of mineral deposits : tutorial for universities. Second edition, revised and enlarged. Tomsk : Izd-vo Tomskogo politekhnicheskogo universiteta, 2012. 255 p.
9. Pechlivanidis I. G., Jackson B., McMillan H., Gupta H. Use of an entropy-based metric in multi objective calibration to improve model performance. Water Resources Research. 2014. No. 50. pp. 8066–8083. DOI: 10.1002/2013WR014537
10. Wellmann J. F., Regenauer-Lieb K. Uncertainties have a meaning: Information entropy as quality measure for 3-D geological models. Tectonophysics. 2012. No. 526. pp. 207–2016. DOI: 10.1016/j.tecto.2011.05.001
11. Sinha S., Das S., Sahoo S. R. Application of Markov chain and entropy function for cyclicity analysis of a lithostratigraphic sequence. A case history from the Kolhan Basin, Jharkhand, Eastern India. Geology & Geophysics. 2015. No. 4. pp. 2–7. DOI: 10.4172/jgg.1000224
12. Wellmann J. F. Information theory for correlation analysis and estimation of uncertainty reduction in maps and models. Entropy. 2013. No. 15. pp. 1464–1485. DOI: 10.3390/e15041464
13. Bazhin V. Yu., Feshchenko R. Yu., Ramana G. V., Shabalov M. Yu. Extreme low-grade coal treatment coupled with X-ray testing. CIS Iron and Steel Review. 2016. No. 1. DOI: 10.17580/cisisr.2016.01.01
14. Lomonosov G. G. Mining qualimetry : tutorial. Moscow : Gornaya kniga, 2007. 201 p.
15. Mining base of Russia. Moscow : Geoinformmark, 1999. Vol. 5, Book 2: Coal basins and deposits of Russian Far East (Sakha Republic, North-West, Sakhalin, Kamchatka). 638 p.
16. Golitsyn M. V., Golitsyn A. M. Coking coals of Russia and the world : reference book. Ed.: V. F. Cherepovskiy. Moscow : Nedra, 1996. 239 p.
17. Gavrishin A. I. Geologists' mathematical statistics casebook. Novocherkassk : YuRGTU (NPI), 2010. 102 p.
18. Livshits V. R. Mathematical methods of processing of observation results in geology : tutorial : in 4 parts. Novosibirsk : Novosibirskiy gosudarstvennyy universitet, 2011.
19. Geology and exploration of mineral deposits : tutorial for universities. Ed.: V. V. Ershov. Moscow : Nedra, 1989. 399 p.
20. Geology and exploration of mineral deposits : tutorial for universities' students. Ed.: V. V. Avdonin. Moscow : ITs «Akademiya», 2011. 416 p.
21. Gray R. M. Entropy and information theory. New York, Springer, 2013. 332 p.
22. Shyu G.-S., Cheng B.-Y., Chiang C.-T., Yao P.-H., Chang T.-K. Applying factor analysis combined with Kriging and information entropy theory for mapping and evaluating the stability of groundwater quality variation in Taiwan. International Journal of Environmental Research and Public Health. 2011. No. 8. pp. 1084–1109. DOI: 10.3390/ijerph8041084
23. Pourghasemi H. R., Mohammady M., Pradhan B. Landslide susceptibility mapping using index of entropy and conditional probability models in GIS: Safarood Basin, Iran. Catena. 2012. No. 97. pp. 71–84. DOI: 10.1016/j.catena.2012.05.005
24. Oskin A. F. Classifi cation of social-economic systems, based on their enthropy characteristics. Informatsionnyy byulleten assotsiatsii «Istoriya i kompyuter». 2004. No. 32. pp. 144–146.
25. Staff ord Beer. Cybernetics and Management. Moscow : URSS, 2010. pp. 26–35.

Language of full-text russian
Full content Buy
Back