graptolite

1.From 2003 to 2004, we collected a large amount of Nautiloid and Graptolite fossils in upper metamorphic formations of Mayigangri area and determined the age to be middle and Late Ordovician-Silurian.

在羌塘南部地区发现有可靠据的早古生代地层存在尚属首次。

2.2004年我们在玛岗日一变质岩系上部采获大量鹦鹉螺类和笔类,经研究代属中、晚奥陶世-志留纪.

From 2003 to 2004, we collected a large amount of Nautiloid and Graptolite fossils in upper metamorphic formations of Mayigangri area and determined the age to be middle and Late Ordovician-Silurian.