《Table 5.Elemental content of a flaky particle and a lump particle》

《Table 5.Elemental content of a flaky particle and a lump particle》   提示:宽带有限、当前游客访问压缩模式
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《Mineral structure and crystal morphologies of high-iron hydrargillite》


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wt%

The EDS analysis results for different particle morphologies are shown in Figs.3–5 and Tables 3–5.The results presented in these tables and figures show that Fe and Al exist in various particles,which can indicate two conditions:(1)iron-bearing minerals extensively mixed with gibbsite crystals and(2)a large number of isomorphous substitutions of Al and Fe in the goethite.The Fe content of the clava particles is relatively higher,indicating that the minerals are hematite,goethite,or alumogoethite,as shown in Fig.3(point 2)and Table 3.The Al content in flaky lamellar and flaky-lump crystals is higher,indicating that the crystal shape of the gibbsite is flaky;however,most of the gibbsite crystals are mixed together with other minerals and almost no crystal particles are present in a pure state,as shown in Figs.4–5 and Tables 4–5.The minerals containing Si and Ti do not form separate crystal particles because of their low content in the ore.