secondary fossil是什么意思

用法例句

Fission track dating of secondary quartz in red weathering crusts of carbonate rocks in Guizhou Province;

贵州碳酸盐岩红色风化壳次生石英的裂变径迹测年研究

The formation of secondary quartz, albitite, calcite and laumontite affected the storage physical properties of sandstone in different degrees.

次生石英、钠长石、方解石和浊沸石等的形成不同程度地影响了砂岩的储集物性。

The type of rock in Dushan Jade mine is mainly the gabbro of second-rate hornblend,hornblend and preridotite Kamet rock.

独山玉矿区内岩石类型主要为次闪石化辉长岩、角闪岩及橄榄质科马提岩,岩石普遍呈碎裂、糜棱结构,总体属于铁质基性岩类。