Discovery of the clinopyroxene megacryst from the 3000 m scientific drilling in Jiama porphyry copper deposit, Xizang and its indication of the magmatic process

• TANG Pan, 
• TANG Juxing, 
• LIN Bin, 
• LI Faqiao, 
• SUN Miao, 
• QI Jing, 
• WANG Mengdie, 
• XIONG Yan, 
• WANG Zhichao, 
• YANG Huanhuan, 
• XIE Yuke, 
• BI Linling, 
• TAO Gang, 
• ZHONG Jun