Title: The discussion on variation of coal characteristics in No.7 minefield of Jiluntai-Tangba Mine lot
Abstract: The geological exploration and coal quality data analysis of laboratory results to the basic characteristics of coal,and draws a conclusion that this area follows the Hilt's law that with shallow to deep coal seam depth increases,gradually increase the degree of deterioration of Hilt's law.Variation of coal is phenomenon of vertical zoning on the geological cross-section,the upper coal seam is less metamorphic than the lower;in the horizontal belt,compared with the same coal seam the north is more metamorphic than the south.As showing in class zoning map,the main coal types in this area are long flame coal(41CY,42CY),non-caking coal(31BN),gas coal(43QM,44QM,45QM).
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
Access and Citation
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot