eologic Section of Yiziling (Yanghualing)2

  This new geologic section is situated on side of Xingan Highway.

  The layered volcanic rocks were formed during an explosive eruption,

  When the magma comes in contact with the ground water. It is called surge tuff in the light of geology. The grain size of volcanic tephra changes clearly; look at it carefully, you may find the spherulites composed of volcanic ash, the accretionary lapilli.

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