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  2. Goldich dissolution series - Wikipedia

    en.wikipedia.org/wiki/Goldich_dissolution_series

    The Goldich dissolution series concerns intrinsic mineral qualities, which were proven both by Goldich as well as preceding scientists to also be important for constraining weathering rates. Earlier work by Steidtmann [3] demonstrated that the order of ionic loss of a rock as it weathers is: CO 3 2-, Mg 2+, Na +, K +, SiO 2 −, Fe 2+/3+, and ...

  3. Soil formation - Wikipedia

    en.wikipedia.org/wiki/Soil_formation

    They also leave behind organic residues which contribute to humus formation. [3] Plant roots with their symbiotic mycorrhizal fungi are also able to extract nutrients from rocks. [4] New soils increase in depth by a combination of weathering and further deposition. The soil production rate due to weathering is approximately 1/10 mm per year. [5]

  4. Graded bedding - Wikipedia

    en.wikipedia.org/wiki/Graded_bedding

    Most commonly this takes the form of normal grading, with coarser sediments at the base, which grade upward into progressively finer ones. Such a bed is also described as fining upward . [ 1 ] Normally graded beds generally represent depositional environments which decrease in transport energy (rate of flow) as time passes, but these beds can ...

  5. Missouri to execute Christopher Collings for 9-year-old girl ...

    www.aol.com/missouri-execute-christopher-col...

    Christopher Leroy Collings, 49, is set to die by lethal injection for the murder of 9-year-old Rowan Ford in the southwestern Missouri village of Stella.

  6. WTO fails on dispute reforms before Trump takes office, US ...

    www.aol.com/news/wto-fails-dispute-reforms-trump...

    World Trade Organization members failed to agree on reforms to revive a broken trade dispute settlement system during the last General Council meeting before U.S. President-elect Donald Trump ...

  7. Weathering - Wikipedia

    en.wikipedia.org/wiki/Weathering

    Thermal stress weathering is an important mechanism in deserts, where there is a large diurnal temperature range, hot in the day and cold at night. [13] As a result, thermal stress weathering is sometimes called insolation weathering, but this is misleading. Thermal stress weathering can be caused by any large change of temperature, and not ...

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