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What is Heavy Mineral Size Anomalies in Colombia about?
The document discusses anomalous differences in grain size between gold and magnetite found in late Pleistocene alluvial fan deposits in Colombia. Magnetite grains are much smaller than associated gold grains. The authors analyze the placer-forming processes suggested by the textural and hydraulic characteristics of deposition and entrainment. Frequent high flow events in humid tropical fans are conducive to this type of placer development.
- Author
- yenika anaya
- Language
- EN