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Soil Science #1

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  1. Soil Science #1 Parent Material

  2. What Is Soil? Soil:The unconsolidated mineral or organic material on the immediate surface of the earth that serves as a natural medium for the growth of land plants. (NRCS 2007)

  3. Soil Formation Parent Material: Material (unconsolidated) in which soils form Climate: Temperature, rainfall, light, elevation Plant and Animal Life: In and on soil Relief: 3-D features (“lay of the land”) Time: For soil forming processes to act on parent material

  4. General Processes…. Laurentide Glacier covered New England 80,000-12,000 years ago

  5. Glaciers scrape land, pick up rocks, and shapes the land -Ice over 5000 feet high!!

  6. As galciers melt/retreat parent material is redistributed

  7. Ordovician ✖ Cambrian df

  8. Types of Parent Material

  9. Types of Parent Material

  10. Types of Parent Material

  11. Types of Parent Material

  12. Types of Parent Material

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