ZHANG Lijun, LI Yinxian, QIU Jun, YE Jun. 2004: Accurate division and correlation of bird-bearing horizons at Sihetun, Beipiao, Liaoning. Geological Bulletin of China, 23(2): 184-188.
    Citation: ZHANG Lijun, LI Yinxian, QIU Jun, YE Jun. 2004: Accurate division and correlation of bird-bearing horizons at Sihetun, Beipiao, Liaoning. Geological Bulletin of China, 23(2): 184-188.

    Accurate division and correlation of bird-bearing horizons at Sihetun, Beipiao, Liaoning

    • Accurate division and correlation of fossil-bearing horizons were made during large-scale systematic excavation for the construction of an enclosed geological corridor at Sihetun, western Liaoning. Emphasis was put on checking up fossil bird horizons. A t
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