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Residual and Transported
Soils
Parent Material- The rock that
makes soil
• Classified as either
residual or
transported
• Residual- soils that
formed in their
present location from
the bedrock beneath
• Bedrock- The solid
rock beneath the soil
Example
• Sandstone soils form
from sandstone
bedrock producing
dry coarse soil.
(mountain ridges)
Example
• Limestone soils come
from limestone
bedrock producing
soil good for farming.
(Lancaster)
Transported Soils
• Soils that have been
moved from their
original location
Glacial Till
• rocks and soils moved
by glaciers
Aeolian
• soil moved by wind
Colluvial
• Fallen rocks and
soil along cliffs and
slopes
Alluvial
• Soil moved by water
(flooded stream
banks)