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frost action

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frost action [′frȯst ‚ak·shən]
(geology)
The weathering process caused by cycles of freezing and thawing of water in surface pores, cracks, and other openings.
Alternate or repeated cycles of freezing and thawing of water contained in materials; the term is especially applied to disruptive effects of this action.

frost action
The freezing and thawing of moisture in materials and the resultant effects on these materials and on structures of which they are a part or with which they are in contact.


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By turning over the soil, buried bugs in cocoon, larva case, or in their egg stage are exposed to being fed upon by birds and mice, as well as frost action.
Neither extremely hard nor extremely soft stones are best for rock garden making; the former are not "sympathetic" to plant growth, and the latter are not practical because they so quickly disintegrate and crumble, often going to pieces in a single season when exposed to rains and frost action, although they may seem fairly substantial when put in place.
This lower stonework will again be vulnerable to frost action, as well as being stained by the dirty water run-off.
 
 
 
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