GEOLOGICAL CHARACTERISTICS AND SIGNIFICANCE OF VOLCANIC ROCKS AT THE BOTTOM OF THE MIDDLE TRIASSIC MANGHUAI FORMATION IN YAKOU REGION, SIMAO CITY, YUNNAN PROVINCE
DENG Jiang-Gong, XIAO Yuan-Fu, HUANG Run-Qiu, HU Mo, YAN Meng
SEISMOLOGY AND GEOLOGY . 2003, (s1): 71 -77 .  DOI: ISSN:0253-4967.0.2003-S1-008