ArticleACS omega2025
Study on the Weathering Process and Re-enrichment Mechanism of the Ediacaran Phosphorus Deposits in Central Guizhou, China.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Phosphorus deposits in central Guizhou are typical of global phosphorogenic events after the Neoproterozoic Ice Age. These deposits exhibit a high correlation between weathering characteristics and the ore grade level. To investigate the mechanisms of the process in which phosphate is partially dissolved, phosphorus weathering migration, precipitation, and re-enrichment in the supergene environment, this study uses X-ray diffraction analysis, scanning electron microscopy, energy spectrum analysis, elemental geochemical tests, saturation method rock porosity experiments, and dissolution experiments to compare the primary ore and weathered ore of phosphorus deposits in central Guizhou. It is considered that the weathered phosphate ore is lighter in color and is highly porous. The main gangue mineral, dolomite, is mostly dissolved, and characteristic weathering fabrics are widely observed. The P
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