Weathering and erosion are two basic events that take place on earth as part of the wear and tear of the natural resources like rocks, soils, and plants and trees that cover the earth. Closely observing weathering and erosion will help understand how the surface of the planet has been changing over the past several years and how it will change in the future as well. Weathering is the process through which rocks on the surface of the earth gradually break down into small pieces. On the other hand, erosion is the process through which the broken pieces and ...
Essays on Chemical Weathering
7 samples on this topic
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Chemical Weathering
Chemical weathering in the mid-latitudes is the process where rocks are weakened and disintegrated by chemical reactions that occur in the soil. Some of the chemical reactions that cause chemical weathering are oxidation, carbonation, and hydrolysis. These processes are involved in either forming or destroying minerals and therefore altering the nature of the mineral composition of the rocks. The process of chemical weathering on rocks characterizes the second stage of rock disintegration. The first process occurs during physical weathering and it involves disintegrating rocks into small pieces which are further broken into smaller pieces by chemical weathering. The most ...
1. Soil Horizon: The layer of soil parallel to the soil surface is known as soil horizon. Depending upon the texture and composition of the soil, it is categorized as O, A, B and C. Horizon O consists of organic matter such as remains of plants. Horizon A contains plants’ roots, fungi, bacteria and chemically stable minerals. Horizon B is the accumulation of soluble minerals. Horizon C contains bed rock, in other words rock fragments.
2. Mechanical Weathering: Mechanical withering occurs as a result of physical processes that break down rocks and minerals into smaller pieces that hold back ...
The process of weathering deals with the breaking down of minerals, soils and rocks as well as synthetic materials as a result of contact with the atmosphere, biological entities and water. Weathering is slightly different from erosion, because it does not involve movement. Erosion involves the movement of water, wind, snow or other agents across minerals or rocks. Weathering simply takes place “in situ.” There are two significant types of weathering, chemical and physical. Each can involve a biological component, but the difference is that physical weathering has to do with soils and rocks breaking down as a result of directly contacting ...
Introduction
In recent years due to the rising temperature of the globe we have seen an increase in the number of natural calamities affecting us. Tsunami in Japan and Indian Ocean, Katrina in Southern United States and Icelandic volcanic eruption are few of them. The average temperature of the earth is on the rise. We hear lot of concerns voiced against the man induced causes of global warming. It is one of the topics that concern one and all in the world. Is it a fact or is it a myth? We will try to discuss and establish in the next few ...
Introduction
In recent years due to the rising temperature of the globe we have seen an increase in the number of natural calamities affecting us. Tsunami in Japan and Indian Ocean, Katrina in Southern United States and Icelandic volcanic eruption are few of them. The average temperature of the earth is on the rise. We hear a lot of concerns voiced against the man induced causes of global warming. It is one of the topics that concern one and all in the world. Is it a fact or is it a myth? We will try to discuss and establish in the next few ...
Acid rain is defined as a mixture of dry and wet deposition from the atmosphere that contains higher amounts of Sulphuric and nitric acids (Sen 2012). It has adverse effects on monuments due to its degradation effect. In fact, it highly degrades those stone monuments built out of marble or limestone. Therefore, marble or limestone rocks should be of most concern because they have close-formed matrix which is predominantly made of calcium carbonate which easily react with the acid rain (English Heritage). Consequently, pock marks are caused in marble structures. Equally, weathering is basically a process of geological denudation. The ...