欧路词典
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  1. adj. 志留(迄今约4亿4500万至4亿2000万年前时间段,此时期有颌骨鱼类以及陆地上植物和小型动物第一次出现)
  2. n. 志留(the Silurian)
silurian system 志留系
silurian period [地]志留

Kapeng syderolite deposit is large,occurred in purple clayey ferruginous mudstone and grey-green clayey shale of Lower Silurian series.

卡棚大型紫砂陶土矿主要赋存于志留系下统紫红色粘土含铁泥岩和灰绿色粘土页岩中,分上下2个含矿岩系,4个矿层。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石研究,识别出8属8种。

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化石依据早古生代地层存在尚属首次。

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lytag, lythe, lythidathion, Lythraceae, lythraceous, lythracine, lythramine, lythranidine, lythranine, lythridine,

相似单词


silty, silumin, Siluminite, silundum, Silures, Silurian, silurian period, Siluric, silurid, siluroid,