该公司涉及的领域有铁矿石，铜，磷酸岩，石灰石，白云石，石膏，膨润土，菱镁矿，金刚石，锡，钨，石墨等的探测。
It is involved in the exploration of iron ore, copper, rock phosphate, limestone, dolomite, gypsum, bentonite, magnesite, diamond, tin, tungsten, graphite etc.
我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
We make superphosphate by reacting rock phosphate with sulphuric acid.
我国贵州瓮安陡山沱期磷块岩中的磷酸盐化球状化石是近年来受到广泛关注的一类微体化石。
In recent years much attention has been paid to phosphatized spheroidal fossils found in the Sinian Doushantuoan phosphorites in Weng an, Guizhou Province.
磷酸盐岩是富钴结壳老壳层的主要组分之一。
Phosphorites are the main components in the old layers of the Co-rich crusts.
本文对来自中太平洋海山的三块富钴结壳样品中的磷酸盐岩进行了研究，以期对富钴结壳形成环境的变化有所了解。
They were studied in three Mid-Pacific seamount Co-rich crusts to probe into changes of the Co-rich crusts' forming environment.
本文对来自中太平洋海山的三块富钴结壳样品中的磷酸盐岩进行了研究，以期对富钴结壳形成环境的变化有所了解。
They were studied in three Mid-Pacific seamount Co-rich crusts to probe into changes of the Co-rich crusts' forming environment.
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