龙
门
山
断
层
L
ó
n
g
m
é
n
s
h
ā
n
d
u
à
n
c
é
n
g
Components
龙门山
Lóng mén shān
–
PN:Mt Longmen, the northwest boundary of the Sichuan basin, an active geological fault line
断层
duàn céng
–
fault (geology)