Sedimentary phosphate rock ore composition

1, plastic phosphorus ore: content of about 39% was Aphanitic, rubber block or false oolite, lumps and pebble, clastic output. The major impurities chalcedony quartz and a small amount of silicate, iron and the like quality. The colloidal phosphate particles are round to elliptical and rhombic with a size of 0.08-0.64 mm.

2, carbon apatite: the content is about 12%, in the form of a radio-sheath around the edge of the colloidal phosphate rock, which is derived from the phosphate rock.

3. Apatite: The content is about 1%. It is in the form of fine granules or its aggregates are filled between the granules of the phosphite or between the carbonates, sometimes symbiotic with the fine-grained quartz aggregates. The particles are all around 0.016 to 0.20 mm.

4. Carbonate: Dolomite is the main type, and calcite is the second. It is a particle-to-granular (0.01-0.8mm) individual and aggregate. It is self-shaped to its shape and is the main gangue mineral. The band gathers or is filled with cement in the colloidal phosphate or gravel and debris.

5. Quartz and chalcedony: It is the main siliceous gangue mineral. The gangue is a fine aggregate or a powder-like individual and a self-formed crystal. It is scattered in the phosphate rock or carbonate. Quartz aggregates are often associated with chalcedony, with a content of 2%, and the distribution is not universal. Self-shaped quartz particles 0.08-0.3mm. Silty quartz is in the range of 0.08-0.24mm.

6. Clay minerals: mainly distributed in platy sand argillaceous phosphate rock, which is fibrous, with small scales mixed between phosphate rock particles.

7, other gangue mines are also glauconite, pyrite, barite , carbon, iron and so on.

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