Stratigraphy; Textural characteristics of soil materials; Fluvial systems; Hillslope sediments; Transitional environments and terrigenous marine shelf sediments; Volcanic materials; Saprolite; Geomorphology; How landscapes evolve; Rates of denudation; Streams; Hillslope processes and mass movement; Time and soil formation; Hydrology.These gray colors are from reflected light of iron-poor sand, silt and clay particles, and not from ferrous iron (Daniels et al., 1961). Reduced ... The soils and sediments may turn gray with continued iron removal under reducing conditions and slow drainage. ... Examples of incipient dissection from artificial drainage are the Atlantic Coastal Plain and the Red River Valley in North Dakota and Minnesota.
|Author||:||Raymond B. Daniels, Richard D. Hammer|
|Publisher||:||John Wiley & Sons - 1992-06-26|