We do the thermoluminescence research systemly for deep volcanic rocks section, this will possibly demarcate eruptible gyration and evolvment character.
Baiyinchagan depression is part of downwarping faulted rift basin developed on XingmengHercynian multicycle and collision fold basement in late Mesozoic.
B its of strombolian-type scoria and Hawaii-type effusive lava may accompany lately after Phreatomagmaticerup tion, they constitute a erup tive activity cycle in its entirely.
After rapid overall swelling , in the late stage occurred alluvial fan-braided river facies sedimentary cycles made of red polyterrigenous molasse deposit s with multi-source supplying.