Volume 7 Issue 4
Dec.  2001
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ZHANG Zong-sheng, HONG Yu-yong, XU Han-sen, 2001. DISCOVERY AND STRATIGRAPHIC DIVISION OF ALKALIC ROCK IN BAIYUNZHANG VOLCANIC ERUPTIVE BASIN OF EASTERN GUANGDONG. Journal of Geomechanics, 7 (4): 351-358.
Citation: ZHANG Zong-sheng, HONG Yu-yong, XU Han-sen, 2001. DISCOVERY AND STRATIGRAPHIC DIVISION OF ALKALIC ROCK IN BAIYUNZHANG VOLCANIC ERUPTIVE BASIN OF EASTERN GUANGDONG. Journal of Geomechanics, 7 (4): 351-358.

DISCOVERY AND STRATIGRAPHIC DIVISION OF ALKALIC ROCK IN BAIYUNZHANG VOLCANIC ERUPTIVE BASIN OF EASTERN GUANGDONG

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  • Received: 2001-07-02
  • Published:
  • Middle Jurassic-Early Cretaceous volcanic rock are widely distributed in Baiyunzhang volcanic eruptive basin of Dongguan-Huidong region of eastern Guangdong,where a suite of alkalic volcanic rock in upper part,mainly composed of alkali-feld-spar rhyolitic-trachytic pyroclastic rocks was discovered.In light of petrology,mineralogy,petrochemistry,petrogeochemistry,isotopic age and contact nature,the suite is named Baiyunzhan Formation.It lies between the Late Jurassic-Early Cretaceous Nanshancun Formation and lower part of the Early Cretaceous Guancaohu Formation,belonging to Late Jurassic-Early Cretaceous in age.

     

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