图3 滇西南地区地壳厚度与活动断裂分布图8）
①红河断裂；②澜沧江断裂；③普洱断裂；
④南汀河断裂；⑤勐海断裂；⑥木嘎断裂
Fig.3 Map of crustal thickness and distribution of active
faults in southwest Yunnan area
