What are ‘placer deposits’? -Geography

1 Answer

Answer :

Certain minerals may occur as alluvial deposits in sands of valley floors and the base of hills. These deposits are called ‘placer deposits’ and generally contain minerals, which are not corroded by water. Gold, silver, tin and platinum are most important among such minerals.

Related questions

Description : What are ores? Give example. What are ‘placer deposits’? Give example of mineral found in such deposits. -Geography

Last Answer : The term Ores' is referred to the gathering of such minerals which are mixed with other elements. To make its extraction sodium salt, the mineral content should be in sufficient concentration of the ore ... and the base of hills. Minerals found in such deposits are Gold, Silver, Tin and Platinum.

Description : What are ‘placer deposits’? -SST 10th

Last Answer : .Certain minerals may occur as alluvial deposits in sands of valley floors and the base of hills. .The deposits are called ‘placer deposits’, and generally contain minerals, which are not corroded by water. .Gold, silver, tin and platinum are the most important among such minerals.

Description : What are placer deposits? -SST 10th

Last Answer : There are some minerals which occur as alluvial deposits in sands of valley floors and the base of hills. These deposits are called placer deposits.

Description : Name any four minerals which obtained form placer deposits. -SST 10th

Last Answer : Gold, silver, tin and platinum.

Description : What are ‘placer deposits’? -SST 10th

Last Answer : (i) Certain minerals may occur as alluvial deposits in sands of valley floors and base of hills. These deposits are called placer deposits'. (ii) They generally contain minerals which are not ... ) Gold, silver, tin and platinum are examples of some important minerals found in placer deposits'.

Description : (i) What is the significance of the coal deposits of Chhattisgarh ? (ii) Which country import the iron ore deposits of Chhattisgarh ? -Geography

Last Answer : (i) They are used in the iron and steel industries of Eastern India and also a major item of export. (ii) China.

Description : Name a region which has natural gas deposits. Mention two uses of natural gas. -Geography

Last Answer : Assam, Mumbai High are some gas producing regions. Two uses of Natural Gas : 1. Natural Gas is used as the most important fuel (as cooking gas and also as fuel for vehicles). 2. It is used in the chemical fertilizers.

Description : Name two states with large deposits of coal. Name the coalfields in the states that you have named. -Geography

Last Answer : Two states with large deposits of coal are: States Coal fields (i) West Bengal Raniganj. (ii) Jharkhand Jharia, Kampura, Ramgarh, Bokaro

Description : Name two states that are backward in spite of having rich mineral deposits. -Geography

Last Answer : The two states that have rich mineral deposits are Jharkhand and Orissa. These states are backward in spite of rich mineral deposits because of the required technology, economy and facilities for ... the people contribute to the formation of an unstable government. Thus, there is no progress.

Description : What are the important centres of bauxite deposits in India? -Geography

Last Answer : Bauxite is an important mineral as aluminium; an important metal in many industries. India's bauxite deposits are mainly distributed between the states of Madhya Pradesh and Chattisgarh. The main ... Chattisgarh), and the plateau region of Bilaspur - Katni (between Madhya Pradesh and Chattisgarh).

Description : How do wells get their water from underground rivers/aquifers/lakes/deposits? -Geography

Last Answer : answer:

Description : Why was placer mining the most widely used method or mining for gold?

Last Answer : It was an easy method to find gold. All a man needed was a goldpan, and find a spot on the river to pan. Some got a bit more fancywith a sluice box or rocker to seek gold.

Description : The soil containing calcareous deposits is locally known as -Geography 9th

Last Answer : The soil containing calcareous deposits is locally known as Kankar. :)

Description : Did the advent of mapping satellites have any tremendous impacts on the depiction of geography?

Last Answer : Not geography related, but check this out: http://www.msnbc.msn.com/id/43164447/ns/technology_and_science-science/

Description : What are some good resources for studying the role of climate and geography in the development of civilizations?

Last Answer : Any AP World History text because that is one of the themes discussed. I like Traditions and Encounters” by Bentley & Ziegler. You might want to buy it used or borrow it because new it’s about $250. But here’s a hint: waterways and trade routes.

Description : Was geography an easy subject for you?

Last Answer : Not so great.

Description : How is your geography knowledge? Were you taught it in school?

Last Answer : i know i’m here and you’re there. i do alright.

Description : Name the different types of environmental pollution. -Geography

Last Answer : The different types of environmental pollution are:- 1. Air pollution 2. Water pollution 3. Soil pollution 4. Noise pollution.

Description : What are the measures to control water pollution? -Geography

Last Answer : 1. Industrial effluents must be treated. 2. Drinking water sources must be kept clean. 3. Sewage treatment plants, disposal of waste on the water bodies must be controlled.

Description : What is Bio-diversity? -Geography

Last Answer : The variety of flora (plants) and fauna (animals) in a region is known as biodiversity. Define The Following: 1. Biosphere : Biosphere is the part of the earth where life exists. 2 ... 6. Acid rain : Acid rain contains high amounts of acids particularly sulphuric acid and carbon monoxide.

Description : The only living planet in our solar system is ____ -Geography

Last Answer : Correct Answer is: (a) Earth

Description : What is environment? -Geography

Last Answer : Environment is the surroundings where and organism, a community or an object exists.

Description : What is environmental pollution? -Geography

Last Answer : Environmental pollution is the unfavorable alteration of . our surrounding, wholly or partly by human action through direct and indirect effects.

Description : What are the important air pollutants? -Geography

Last Answer : The important air pollutants are carbon dioxide, carbon monoxide, sulphur dioxide, nitrogen oxide, chloroflaoro carbons, hydro carbons etc.

Description : What are the measures to control air pollution? -Geography

Last Answer : 1. Control of gaseous pollutants. 2. Contrpl of emission from automobiles. 3. Planting more trees. 4. Use of non-conventional energy sources. 5. Awareness programme, legal control literacy and education.

Description : What tis water pollution? -Geography

Last Answer : Water pollution is alteration in physical, chemical and biological characteristics of water which may have harmful effects on human and aquatic life.

Description : What are the important sources of water pollution? -Geography

Last Answer : The important sources of water pollution are : Natural: Soil erosion, landslides, volcanic eruption, decay and decomposition of plants and animals etc.. Man made: Industrial effluents, urban waste, domestic waste, agricultural waste, thermal waste, oil spill, nuclear waste etc.

Description : Name the different kinds of water pollution. -Geography

Last Answer : Water pollution is of different types. 1. Sea or ocean water pollution 2. Ground water pollution 3. River water pollution 4. Lake pollution. Etc.

Description : What is soil pollution? -Geography

Last Answer : Soil pollution is decrease in the quality of soils either due to human sources or natural sources by both.

Description : What are the results of soil pollution? -Geography

Last Answer : It results in the increase of soil erosion, lack of humus, decrease in soil microorganisms, plant nutrients etc.

Description : What are the sources of soil pollution? -Geography

Last Answer : Sources of soil pollution, industrial and mining waste. Domestic and urban waste, agricultural waste, nuclear waste etc.

Description : What are the effects of soil pollutants? -Geography

Last Answer : The effects of soil pollutants are it decreases the fertility of the soil, converts the region into wasteland, destroys the micro organisms in the soil etc.

Description : What is noise pollution? -Geography

Last Answer : Noise pollution is any undesirable sound dumped into the atmosphere leading to health hazards.

Description : What are the important sources of noise pollution? -Geography

Last Answer : The important sources of noise pollution are : Natural: Thunder, cyclones, lightning, heavy rainfall, hailstorms, water falls, ocean waves. Man-made: Industrial noise, automobiles, air crafts, domestic noise, mining etc.

Description : What are the effects of noise pollution? -Geography

Last Answer : The noise pollution causes temporary or permanent hearing problem, headaches, restlessness,, cardio vascular diseases, physical disorder, behavioural changes, lack of concentration, etc.

Description : What are the various methods of soil conservation? -Geography

Last Answer : Many different Methods of soil conservation: 1. Contour Plowing - Originating in ancient Phoenicia, Contour Plowing involves plowing grooves into the desired farmland, then planting the crop ... of nitrogen fertilizer and fungicides can increase yields and protect crops from drought and flooding.

Description : What are the measures to control noise pollution? -Geography

Last Answer : 1. Industries must be located away from the residential areas. 2. Construction of sound proof walls in the factories. 3. Restricting unnecessary use of sirens, horns and loud speakers. 4. ... 5. Protective instruments the workers in the industries. 6. Noise producing vehicles must be checked.

Description : Why is North America called ‘Land of Prairies’? -Geography

Last Answer : The central plains of North America are also known as the great plains or the prairies. The plain consists of vast expanse, almost 3/5 of the total area of North America of flat to gently rolling ... tributaries. This is one of the most fertile plains of the world and is a good farming region.

Description : Make a list of important countries of North America. -Geography

Last Answer : There are 24 countries in North America. Canada, United States of America and Mexico are three large countries by their size.

Description : Mention the location and extent of North America -Geography

Last Answer : North America is located entirely to the North of the equator. It lies within 7°N to 84°N latitudes. The Tropic of Cancer passes through Mexico and the Arctic circle through the northern part of Canada ... by the Isthmus of Panama. It is separated from the continent of Asia by the Berring Strait.

Description : How are the Grand Canyon of North America formed? -Geography

Last Answer : The Colorado river drains into Colorado Plateau and forms the Grand Canyon.

Description : Name the important plants of animals of North America. -Geography

Last Answer : North America has a wide variety of natural vegetation and wildlife. 1. The Tundra Mosses and Lichens are found here. Some stunted flowering plants grow in summer. Animals like Arctic fox, ... Animals like the desert fox, lizards, rattle snakes and various kinds of insects are found here.

Description : Make a list of important rivers of North America. -Geography

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Description : Who is called ‘Lumber Jacks’ in North America? -Geography

Last Answer : Lumbering is a highly organized job in North America People engaged in lumbering in Canada are known as ‘Lumber Jacks’.

Description : Mention the important races and their languages formed in North America. -Geography

Last Answer : 1. Most of the North Americans are descendants of Europeans or American Indians and Africans. There are also some native or indigenous people. 2. Most of them speak Spanish, English, French or American Indian Languages.

Description : Which is the largest island in the Arctic Ocean? -Geography

Last Answer : Green land is the largest island in the Arctic Ocean.

Description : Which is the highest peak in the Rockies? -Geography

Last Answer : Mt. Mckinley (6194 m) is the highest peak in the Rockies.

Description : Name the local wind which causes damage to American and Canadian Prairies. -Geography

Last Answer : The dust bowl or the dirty thirties is a local dust storm which causes loss of crops.

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Description : Which is the world famous geyser found in the yellow stone national park of USA? -Geography

Last Answer : The Old Faithful Geyser.