One cause of this appears to be the presence of large granite intrusions, which are relatively light and help to stabilize the area into which they intrude.
same
planet
save
life time
suddenly
summer
surface
system
taken
tall
ten
themselves
third
tiny
town
tried
voice
warm
watch
weather
whether
wide
wild
winter
within
writing
written
quite
rain
ran
real
river
road
round
scientist
ship
simple
size
slowly
someone
stand
start
state
stood
stop
stopped
strong
list
longer
main
map
matter
Miss
moon
mountain
moving
music
needed
notice
outside
pattern
person
piece
poor
possible
power
probably