Experimental study on the hornfels ore’s microbiological leaching in Jiama region

• Liu Mingshi, 
• Wan Xuanzhi, 
• Liu Zilong, 
• Zhang Jingang, 
• Wang Lihui, 
• Fu Yong, 
• Pang Junwu, 
• Da Wazhuoma, 
• Hu Qixu, 
• Liu Xiaomeng, 
• Zhao Hucheng