土壤中矿物质来源于岩石的风化物,根据 其成因类型可分为原生矿物(original mineral )和次生矿物(secondary mineral)。 (chemical weathering)是地壳表面岩石在 水及水溶液的作用下发生化学分 解的作用。
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identification of original mineral 原矿物鉴定
original mineral of iron ore 原生铁矿
original l mineral 原生矿物
Petrifaction may also involve a simultaneous exchange of the original substance of a dead plant or animal with mineral matter of a different composition.
石化还可能同时涉及将死亡的动植物的原有物质与不同成分的矿物质进行交换的作用。
The mineral resources original value(the mineral resources before exploration)reflects the excess profit, which includes the absolute differential rent and the first differential rent.
未经勘查的矿产资源即有原有价值,体现为超额利润—绝对矿租和第一形态级差矿租。
The mineral composition is simple, only with original metallic minerals antimonite and pyrite, gangue minerals quartz, calcite and a few barites, all in the fissure or hole of the rock.
矿物成分简单,原生金属矿物只有辉锑矿和黄铁矿,脉石矿物有石英、方解石及少量重晶石,它们均充填在岩石的缝洞中。
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