Mt.Xuefeng is considered by some people to be one of the nappes stressed from E.to W.in the south of Yangtze R.

and they suggest that oil traps might occurred in Lower Paleozoic or Anyuan coal series(T

3

-J

1

)under the so-called basement ramp. Through field observation

we learnt that this mountain is composed mainly by Banxi Group(Pt

3

)and Lungshan Series(P

Z1

)set vertically in occurrence

high augle thrust might be seen here and there along both sides of the range

and they stressed mostly from west to east

but not the opposite.Therefore

we have to say that this mountain is rooted

not napped.Paleozoic carbonate formations

as good overing beds

might somewhere overthrust upon the Anyuan coal series.But exactly the distribution of the later is rather limited

and then

the prospecting for oil and gas is not so good. And where is the oil and gas of Central Hunan?We have always considered that the upper Paleozoic formations in Qiyang Arc would be the most hopeful

one.