FECK
发表于 2025-3-25 04:53:20
Weathering Processes and Formslectures or paper presentations. This chapter will therefore concentrate upon some of the less certain issues in weathering studies. The aim is not to be exhaustive or comprehensive, but hopefully to question some traditionally held views and stimulate future research.
GROUP
发表于 2025-3-25 09:11:37
Rock Varnish in Deserts In seasonally flooded tropical riverine environments, vitreous silica-rich films of brown to purple-black colour are sometimes present on exposed bedrock potholes (Tricart 1972) and point bar cobbles, which may be cemented together to form a resistant carapace.
Collected
发表于 2025-3-25 15:39:28
Badlandsect of direct observational coupling of process and landform evolution in both natural and man-induced badlands. However, Campbell (1989) and Campbell and Honsaker (1982) caution about problems of scaling between processes on badland slopes and channels to larger landforms.
collateral
发表于 2025-3-25 18:01:04
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你正派
发表于 2025-3-25 23:18:15
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dissent
发表于 2025-3-26 04:07:26
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offense
发表于 2025-3-26 07:43:42
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tenuous
发表于 2025-3-26 10:55:23
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cartilage
发表于 2025-3-26 14:57:56
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neurologist
发表于 2025-3-26 19:49:18
https://doi.org/10.1007/978-3-642-61962-5mboldt (1819). These surface films are most conspicuous in arid regions (e.g. Laudermilk 1931), where exposed rock outcrops and rubble deposits are ubiquitous and frequently are covered by glossy, brown to black, iron- and/or manganese-rich patinas, giving rise to the term desert varnish. Beyond the