The large diameter deep hole mining method of Xinshan section in Kafang subsidiary attached to Yunnan Tin Company Group Co., Ltd.

Reasonable choice of mining method is the key for orebody stoping with safety and efficiency, it is the important prerequisite for mine construction to smoothly open, and it is the most important part of the stoping layout in the mine. It includes mining technology, mining sequence, stope layout and rock blast etc. The paper, based on the production practice and the mining method chosen by Xinshan mining section of Kafang subsidiary attached to Yunnan Tin Company Group Co.,Ltd., discussed the aspects of stope structure parameters, development and cutting engineering, drilling and blasting technology and orebody stoping, through the above analysis of the process, which will provide reference for other similar mines.