When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Laterite - Wikipedia

    en.wikipedia.org/wiki/Laterite

    Laterite has commonly been referred to as a soil type as well as being a rock type. This, and further variation in the modes of conceptualizing about laterite (e.g. also as a complete weathering profile or theory about weathering), has led to calls for the term to be abandoned altogether.

  3. Soil in Atsbi Wenberta - Wikipedia

    en.wikipedia.org/wiki/Soil_in_Atsbi_Wenberta

    Typical catena on an Enticho Sandstone plateau, mesa and footslope (Atsbi Horst) Leptic Cambisol profile Leptic Cambisol. Dominant soil type: shallow, very stony, silt loamy to loamy soils (Skeletic Cambisol, Leptic Cambisol, Skeletic Regosol) (4) Associated soil type: complex of rock outcrops, very stony and very shallow soils ((Lithic ...

  4. Plateau - Wikipedia

    en.wikipedia.org/wiki/Plateau

    Satellite image of the Tibetan Plateau between the Himalayan mountains to the south and the Taklamakan Desert to the north. In geology and physical geography, a plateau (/ p l ə ˈ t oʊ, p l æ ˈ t oʊ, ˈ p l æ t oʊ /; French:; pl.: plateaus or plateaux), [1] [2] also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the ...

  5. Lithostratigraphy - Wikipedia

    en.wikipedia.org/wiki/Lithostratigraphy

    Lithostratigraphic units are recognized and defined on the basis of observable physical rock characteristics. The lithology of a unit includes characteristics such as chemical and mineralogical composition, texture, color, primary depositional structures, fossils regarded as rock-forming particles, or other organic materials such as coal or ...

  6. Volcanic plateau - Wikipedia

    en.wikipedia.org/wiki/Volcanic_plateau

    Satellite image of the Big Raven Plateau in British Columbia, Canada Rangipo Desert of the North Island Volcanic Plateau. Numerous tephra layers are visible. The Pajarito Plateau in New Mexico, United States is an example of a volcanic plateau. A volcanic plateau is a plateau produced by volcanic activity. There are two main types: lava ...

  7. Soil color - Wikipedia

    en.wikipedia.org/wiki/Soil_color

    Highly oxidized red soil in Tirunelveli District, India. Red colors often indicate iron accumulation or oxidation in oxygen-rich, well-aerated soils. [4] Iron concentrations caused by redox reactions because of diffusion of iron in crystalline and metermorphic rock, in periodically saturated soils may also present red colors, particularly along root channels or pores.

  8. Geology of Georgia (U.S. state) - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Georgia_(U.S...

    Folded rock layers of the Valley and Ridge in Georgia, as well as their flat-lying equivalents in the Appalachian Plateau, include limestone, sandstone, shale and other sedimentary rocks. Many of these rocks serve as important economic resources in the state, including construction-grade limestone, barite, ochre and small amounts of coal. [5]

  9. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    Rocks that characterize this region include: limestone, dolomite, slate, shale, sandstone, siltstone, and some scattered basalt. Almost all of the rocks in the Great Valley in Pennsylvania are Ordovician in age and were deposited during a quiet period before the Taconic orogeny. The limestones and dolomites of this area are extensively quarried ...