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Which process is a form of mechanical weathering?
Abrasion
Which weathering process tends to form spherical boulders?
exfoliation
What is the weathering process which led to the formation of tors?
The weathering process involved in the formation of tors is exfoliation (onion skin weathering). Exfoliation can be mechanical or chemical. Mechanically, exfoliation may be a result of the different expansion rates between exterior and interior layers. Chemically, the exterior of the rock can be chemically altered to minerals of higher volume, causing it to slough off from the rock to which it was formerly attached.
What type of weathering causes exfoliation?
Mechanical weathering.
Which type of weathering produces an exfoliation dome?
In some case chemical weathering can cause this (where new crystals form from old ones but where the volume of the new crystals is not the same as the original). In other cases the weathering process is temperature driven by water entering the porous layer of a weathering rock and freezing. This can split the rock parallel to the surface, giving it exfoliation layers. Some texts also imply that exfoliation domes are produced by by removal of vertical pressure relieving paleo stresses in the rock, this however would not be a weathering process.
Which weathering process results from the removal of minerals in soil or rock by water filtering down through the soil?
exfoliation
What is geological physical Weathering?
•Aeolian • •Biological weathering • •Exfoliation • •Thermal Expansion
What is the geographical term for onion skin weathering?
EXFOLIATION
What kind of weathering is common in mica and shale?
Decompression and Exfoliation weathering are common in Mica and Shale.
How do spheroidal boulders form?
From exfoliation or other forms of weathering.
What types of mechanical weathering are there?
freeze and thaw, exfoliation and abrasion
What kind of physical weathering is common in Mica and Shale?
Decompression and Exfoliation weathering are common in Mica and Shale.
