论文部分内容阅读
湘南生物礁位于湖南省郴县华塘、桂阳县新屋昌及宜章县江水、梅田等地,南北长达40多公里,宽数公里。湘南生物礁作为中国南方二叠纪生物礁群的一部分,至今尚未被人们所认识。 Ⅰ.区域地质特征 湘南的二叠系是湖南省的主要赋煤层位,地层研究较早,也较详细,但主要集中在下二叠统及上二叠统下部的含煤层位,对上二叠统长兴阶的研究较少。由于该区长兴阶复杂,长期存在区域对比上的困难。本文运用岩石地层和年代地层两套不同地层单位进行划分和对比,解决了岩石地层存在的穿时问题,使区域地层对比更为合理。
Shonan reefs are located in Huatang, Chen County, Hunan Province, Xinchangchang in Guiyang County, Jianshui and Umeda in Yizhang County, with a length of more than 40 kilometers and a width of several kilometers. Shonan reef as part of the Permian reef group in southern China has so far not been recognized. Ⅰ. REGIONAL GEOLOGICAL CHARACTERISTICS Permian in southern Hunan is the main coal-bearing layer in Hunan Province. The stratigraphy was earlier and more detailed, but mainly concentrated in the Lower Permian and Lower Permian coal-bearing beds, There are few studies on the rejuvenation of the nation. Due to the complexity of the district’s Changxing order, long-term difficulties in regional comparison. In this paper, two different strata units of rock stratum and chronostratigraphic unit are used for division and comparison to solve the problem of wear-through of rock strata, making the stratigraphic contrast more reasonable.