After comprehensively studied regional geology,stratigraphy,sedimentary structure,paleontology and coal measures distribution in the Changchengwopu minefield,coastal and shallow lake sedimentary types and sedimentary environment evolution process were determined,that is the theoretical basis of coal seam hosting regularity,mine design and production,to tap the resources potentials.

Distribution and Evaluation of Arsenic in Changchengwobao Coal Mine

The paper states the design reforming status such as driving arrangment,transportation,equipment selection and mining management for constructing Changchengwobao Coal Mine with high production and efficiency.

Based on applying instance of an exploration project in Mayingbao minefield,checked existing control points by GPS-RTK surveying technology analyzed survey precision and source of error of GPS-RTK surveying system,discussed error reducing and precision improving approaches.

The Construction Scheme and Mechanized Operating Line of the Return Shaft of Qincheng Coal Mine;

Study on the Synthetic Exploration Technique of Natural Coke in Yuncheng Minefield;