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There are two main types of weathering: mechanical (also called 'physical') and chemical. Pressure release is a form of mechanical weathering. Pressure release usually occurs when rock that has been deeply buried, rises toward the surface due to the erosion of the mass of rock above it. Pressure release causes fractures and exfoliation in the depressurizing rock body. These fractures in the rock make it more susceptible to, and accelerate, other modes of mechanical weathering attack, such as freeze/thaw hydraulics and plant root growth.

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the rocks break apart

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no

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Q: How does release of pressure affect mechanical weathering?
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How do plants cause chemical weathering of rock?

In chemical weathering mosses and linches have been found to grow on rocks and release chemicals that dissolve minerals from rocks. roots from plants are able to invade cracks with in rocks and increase the size of the cracks. There are a number of trees and other plants that release acidic chemicals which can cause weathering of the rocks, minerals, and soil around them. Plants also can have an affect on the way water weathers rocks and soils, they can channel water in specific directions that cause greater weathering or they can lessen the impact of rain falling on the ground. They also affect wind speed and direction near the surface of the ground having an effect on weathering in arid regions of the world. If you have any other questions about weathering go to: http://en.wikipedia.org/wiki/Weathering


What are 2 factors that affect the rate of weathering?

The most important factors that determine the rate at which weathering occurs are the type of rock and the climate. Rainfall affects the rate of weathering.


What human activities may cause or contribute to chemical weathering?

People also weather rocks through many of their activities. To build roads, they sometimes have to blast with dynamite the large rocks along mountainsides. These rocks are broken into fragments. They dig tunnels for mining operations. They dig out large rocks and sand in large open pits called quarries. The rocks and sand that they quarry are used for construction. People build factories to manufacture the things they need. Factories release some chemicals which, when combined with water in the atmosphere, produce acid rain. Acid rain can eat into rocks and break them. Pamela S. =p


What 3 factors affect the density of sea water?

Temperature, pressure, and common ion effect


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Related questions

What factors affect the rate of mechanical weathering?

factors that affect the rate of mechanical weathering?


How does physical and chemical weathering combine to affect rocks?

they both shape the earths surface and so in that way it shapes rocks. Mechanical weathering has release of pressure freezing and thawing and so on and so on


How did mechanical weathering affect the Colorado plateau?

mechanical weathering breaks it down into gradual sloped hills


How mechanical weathering can affect the rate of chemical weathering?

I dont know :d !!


How can mechanical weathering affect the rate of chemical weathering?

I dont know :d !!


What is mechanical weathering in geology?

Mechanical (physical) weathering is the breakdown of rock into smaller particles due to such factors as freezing and thawing, release of pressure, water absorption, salt crystal formation, landmass uplift, expansion and contraction from the sun or fire, plant root growth, actions of animals, abrasion, or other means that do not directly affect the rock's chemistry.


How could climate affect rates of mechanical weathering What about chemical weathering How are the two kinds of weathering related?

You can look it up in Uranus


How does climate affect mechanical and chemical weathering?

Chemical weathering occurs more rapidly in warm, wet climates, and mechanical weathering occurs more in cold climates.


How rocks are mechanically weatherd?

When rocks are broken down without any change to their chemical compositions it is mechanical weathering. Causes of mechanical weathering are Freezing and melting of water, Abrasion, when the rock is weather by an abrasive agent such as wind and sand, and exfoliation occurs when a rock is brought to the surface.


The type of weathering caused by physical means is what type of weathering?

Mechanical (physical) weathering is the breakdown of rock into smaller particles due to such factors as freezing and thawing, release of pressure, water absorption, salt crystal formation, landmass uplift, expansion and contraction from the sun or fire, plant root growth, actions of animals, abrasion, or other means that do not directly affect the rock's chemistry.


What factors affect weathering?

temperature,pressure,humidity,moisture


How the rates of mechanical and chemical weathering might differ in the Congolese rain forest and the Siberian steppes?

The rates of mechanical weathering does not affect anything since the chemical properties remain unchanged. Only chemical weathering affects the chemical properties of an object.