exogenic phenomenon
geology
Learn about this topic in these articles:
effect on landform evolution
- In continental landform: A unified landform theory
…two potential geomorphic factors: (1) exogenic impact phenomena from solar debris possibly modified by tidal disruption caused by nearby planetoids, or radiation phenomena tied mainly to the Sun resulting principally in climatic influences and biologic activity, and (2) endogenic phenomena related to internal heating and expressed as tectonism and volcanism,…
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gold deposits
- In gold processing: Ores
…native form and are both exogenetic (formed at the Earth’s surface) and endogenetic (formed within the Earth). The best-known of the exogenetic ores is alluvial gold. Alluvial gold refers to gold found in riverbeds, streambeds, and floodplains. It is invariably elemental gold and usually made up of very fine particles.…
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