湖南新化上泥盆统的遗迹化石及其沉积环境

UPPER DEVONIAN TRACE FOSSILS FROM XINHUA COUNTY, HUNAN AND THEIR SEDIMENTARY ENVIRONMENT

张欣平 卿上康

Zhang Xinping Qing Shangkang

湖南新化县炉观上泥盆统佘田桥组、锡矿山组的遗迹化石有9属14种(包括两个新种),组成七个遗迹化石组合: 1.组合,为潮间环境,属Skolithos遗迹相。 2.组合,为台地边缘环境,属遗迹相。 3.组合,为潮间—滨外环境,属遗迹相。

Trace fossils from Upper Devonian Shetianqiao and Xikuangshan Forma-tions of Xinhua County, Hunan. contain 9 genera, 14 species (including 2new species) and form 7 trace fossil assemblages as following: 1. assemblage formed in intertidal zone, belongs toSkolithos ichnofacies. 2. assemblage formed in platform margin environ-ment, belongs to Cruziana ichnofacies. 3. assemblage formed in intertidal and offshore en-vironment and belongs to Zoophycus ichnofacies. 4. assemblage formed in intertidal zone and belongsto Skolithos ichnofacies. 5. formed in restricted offshore environment andbelongs to Zoophycus ichnofacies. 6. assemblage formed in offshore environmment,belongs to Zoophycus ichnofacies. 7. assemblage formed in intertidal environment,belongsto Skolithos ichnofacies.

10.11743/ogg19880306