鄂东南的震旦系及其微古植物

鄂东南的震旦系呈北东东向出露出幕阜山及其以北的通山、崇阳一带，自下而上在幕阜山区为莲论组、南沦组、陡山沦组、老堡组．在通山、崇阳一带为莲沱组、古城组、大塘坡组、南沱组、陡山沱组、老堡组．笔者于上述地层的岩石薄片中发现丰富的微古植物化石，在通山、崇阳一带的上震旦统中发现痕迹化石宁强陕西迹（Ｓｈａａｎｘｉｌｉｔｈｅｓｎｉｎｇｇｉａｎｇｅｎｓｉｓ），特别是首次于大塘坡组中发现丰富的茵、藻类化石，这些发现为鄂东南的震旦系提供了新的古生物资料。

SINIAN OF SOUTHEASTERN HUBEI AND MICROPALAEOPHYTICUM FROM IT

In soutyeastern Hubei the Sinian system is distributed northeasthycost the Mufu moun tain and the parts of Tongshan and Chongyang of its north. From bottom to top, in Mufu mountain rigion there are Liantuo, Nantuo, Doushantuo and Laobao formations, and in the parts of Tongshan and Chongyang there are Liantuo, Gucheng, Datangpo, Nantuo,Doushantuo and Laobao formations. With rock section method the author found abundant micropalaeophyticum fossils. The trace fossil Shaanxilithes ningqiangensis Was found in late Sinian of the parts of Tongshan and Chongyang. Abundant Thallophyta fossils were found in the Datangpo formation for the first time. These findings provide new paleontological data for the Sinian of southeastern Hubei.