The change of seasons is most clearly distinguishable in the appearances of mountains. Councurrently with snow-melting, the yellowish green colored sprouts of plants attract our attention and tell us the advent of spring on mountains. And when the leaves change their colour from fresh green to dark green, we are informed that the rainy seasons is over and the summer is setting in.
Berbagai aspek "sedimentologi" di daerah ini, secara umum telah dilakukan pengamatannya oleh beberapa peneliti sebelumnya. Khususnya penafsiran akan model dan fasies endapannya telah dikembangkan.