钙锰矿

Co、Mn和Fe的贫化与钙锰矿有关。

The depletion of the elements such as Mn , Fe , Co genetically relates to todorokite .

由天然锰结核水热合成钙锰矿的实验研究

Experiment on preparation of todorokite from nature manganese nodules by hydrothermal treatment

Cu~（2+）离子掺杂钙锰矿的合成及电化学性质研究

Study on the Preparation and Electrochemical Property of Cu ~ ( 2 + ) Ion Doped Todorokite

采用新兴的微波加热法制备了不同掺钴浓度的钙锰矿。

A newly arisen method & microwave heating method was used to prepare todorokite with different concentrations of cobalt doping .

用氧化还原平衡法研究了水钠锰矿、钙锰矿和黑锰矿等三种不同结构类型氧化锰矿物对As（Ⅲ）的氧化特性，以及针铁矿对上述氧化的影响。

Oxidation characteristics of As (ⅲ) by three types of manganese oxide minerals and effects of presence of goethite were investigated by equilibrium technique of redox reaction .

这进一步明确了钙锰矿的生成条件，可为阐明钙锰矿的形成机制和促进其在材料科学中的应用提供理论依据。

These results can provide theoretical clues for further revealing the origination of todorokite in environments and for prompting applications of todorokite in the area of material science .

矿石矿物为水羟锰矿和少量的钙锰矿，脉石矿物为磷灰石、石英、斜长石等，微量矿物有蒙脱石、高岭石、钠沸石、方英石、辉石、束沸石等。

In the nodules , the ore minerals include vernadite and a small amount of todorokite , gangue minerals are apatite quartz and plagioclase and minor minerals are montmorillonite , kaolinite , natrolite , cristobalite , pyroxene , stibite and others .

矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿等。脉石矿物主要有磁铁矿、针铁矿、黄铁矿等。

Ore minerals are composed of psilomelane , pyrolusite , braunite , rhodochrosite and manganocalcite and gangue minerals are composed of magnetite , goethite and pyrite and so on .