辽河盆地曙光古潜山以碳酸盐岩和砂页岩为主的古潜山地层一直划归到中、新元古界。
The strata with carbonate rock, sandstone and shale in Shuguang buried hills of Liaohe basin were considered as Mesoproterozoic and Neoproterozoic.
第四纪红土土壤全氮含量较高，但是其碱解氮含量比花岗岩母质土壤和紫色砂页岩土壤低。
Quaternary red clay total nitrogen content was highest, but the available nitrogen content was lower than Granite soil and Purple sandy shale soil.
广西的石灰岩按性质可分为纯质石灰岩、夹硅质石灰岩、夹砂页岩或火成岩的石灰岩三种类型。
According to the nature, Guangxi limestone is separated into three types: pure limestone, siliceous limestone, mixed sand shale or limestone of igneous rock.
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