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What is the effect of acid rain on karst environments?
Acid rain dissolves the carbonate rock-limestone causing rich patterns on it. limestone gets naturally sculpted through these acid rains. They also form hanging stalactites, stalagmites, etc. They create rich landscapes.
What are the main advantages and disadvantages of limestone quarrying?
Advantages: You get limestone, which you can use for: Making concrete when burnt and mixed with appropriate amounts of clay Limestone of suitable quality is a good dimension stone which can be used for building limestone can be used as an aggregate ( crushed rock) Limestone can be used as a feedstock in some industrial processes, for example desulphurisation of coal-fired power station flue gasses, in iron and steel production or in fertilizer production. All the materials in limestone can be used. All the above provide jobs and economic stimulus. Disused quarry's, if there is no risk of contamination of the water table (uncommon in limestone areas) can then be used for landfill, currently a very lucrative business. Very old limestone quarries, once disused can become quite picturesque, become used as nature reserves, be used for recreation such as rock-climbing Abandoned or active quarries are useful resources for geologists if access is safe. o Disadvantages: Noisy, unsightly and often located in sites of outstanding natural beat such as the peak district or dales national parks in the UK. Need large volumes of heavy Lorries, Destruction of existing habitat and destruction of rare karst and cave systems There are large holes in the ground ,energy and pollution e.g. Transport
What are the sources of calcite?
For industrial uses, limestone. For collector specimens, vugs in limestone.
What themes did Vincent van Gogh use?
Landscapes, portraits, still lifes, his surroundings.
Does limestone become sandstone when heated?
No. Limestone changes to Marble when it undergoes intense heat and pressure.
What are the advantages of using limestone for building material?
There are a few advantages to using limestone for building materials. Limestone is pretty and elegant looking. Limestone is also a strong material to work with. Limestone takes very little maintenance and is fairly inexpensive.
Chemical weathering processes are particularly effective on limestone landscapes forming?
Chemical weathering processes such as carbonation and hydration are particularly effective on limestone landscapes, forming features like caves, sinkholes, and karst topography. These processes involve the dissolution of calcium carbonate in limestone by acidic groundwater, leading to the creation of unique geological formations over time.
What Regions of the earths surface where limestone is exposed and abundant are called?
Regions of the Earth's surface with abundant limestone exposed are typically known as limestone terrains or limestone landscapes. These regions often feature distinctive topography due to the erosion of the soluble limestone rock by water, forming features such as caves, sinkholes, and limestone pavements.
TYPES OF LIMESTONE IN JAMAICA?
Jamaica features several types of limestone, primarily including coral limestone, which is formed from marine organisms, and oolitic limestone, composed of small spherical grains. Additionally, there are examples of chalky limestone, which is softer and contains fine particles, and dolomitic limestone, which has magnesium content. These limestone types play a crucial role in Jamaica's geology, contributing to the formation of its unique landscapes and supporting its diverse ecosystems.
How do grikes form?
Grikes form through the chemical and physical weathering of limestone bedrock by the dissolving action of water. Over time, this weathering process creates deep grooves or crevices in the limestone, resulting in the characteristic appearance of grikes in limestone pavement landscapes.
What are Clints in limestone?
Clints are the raised blocks or sections of limestone pavement that are surrounded by grykes, which are the deep fissures or cracks in the pavement. They are formed by the natural processes of weathering and erosion over time, creating a characteristic pattern of blocks and gaps in limestone landscapes.
What may dissolved limestone form?
Dissolved limestone can form stalactites and stalagmites in caves through the process of precipitation when the calcium in the limestone re-crystallizes. It can also contribute to the formation of karst landscapes such as sinkholes and caves due to the chemical weathering of the rock.
Can dissolve limestone when mixed with water?
Limestone can dissolve in water when it is mixed with carbon dioxide, forming carbonic acid. This weak acid reacts with the calcium carbonate in limestone, leading to its dissolution. This process is a key factor in the formation of caves and karst landscapes. Additionally, acidic rainwater can also enhance the dissolution of limestone.
Is limestone found in Pennsylvania?
Yes, limestone is found in Pennsylvania. The state has significant deposits of limestone, particularly in areas like the Appalachian region, where it is commonly used for construction, agriculture, and as a raw material for various industrial processes. Additionally, limestone plays a role in the state's geology and is often associated with karst landscapes.
What country is common to find limestone?
you find limestone in Bottswana, Guinesy, Gambia, Belgium (aarschot),switzerland (neuchatel), Hungary, Australia, Dominica and Bedworth in broadansebentland this has the best limestone in the world
What are some advantages involved with quarrying limestone?
one advantage is it gives locals jobs.
How is limestone pavement formed?
Limestone pavement is formed through a combination of weathering and erosion processes acting on the surface of limestone rock. This typically involves the dissolution of calcium carbonate in the limestone by rainwater, which creates fissures and cracks on the surface. Over time, these fissures widen and deepen, resulting in the characteristic large, flat slabs of rock separated by deep grooves that are typical of limestone pavement landscapes.
