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.
羌塘南部地区发现有可靠化石依据的早古生代地层存
首次。
词条纠错
X
graptolite
n. 笔石(古无脊椎动物,现存化石)
2004年我们
玛依岗日一
变质岩系上部采获大量鹦
和笔石化石,经研究确定时代
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.
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相似单词
grapple, grappler, grappling, grappling-iron, Grapsidae, graptolite, Graptolithina, Graptoloidea, graptoloids, Graptozoa,
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