Three Types of Rocks -Geography

Three Types of Rocks -Geography
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Igneous Rocks Sedimentary Rocks Metamorphic Rocks
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What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed? -Geography

Description : What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed? -Geography

Last Answer : The word metamorphic means ‘change of form’. These rocks form under the action of pressure, volume and temperature (PVT) changes. Metamorphism takes place when rocks are forced down to ... , granite, syenite, slate, schist, marble, quartzite etc. are some examples of metamorphic rocks.

Mention various types of rocks IV. [Imp.] -Geography

Description : Mention various types of rocks IV. [Imp.] -Geography

Last Answer : Rocks are of the three types: Igneous rocks Sedimentary rocks Metamorphic rocks Igneous rocks. When the molten magma cools, it becomes solid. Rocks formed in this way are called igneous rocks. ... they chsmge into metamorphic rocks. For example, clay changes into slate and limestone into marble.

Mushroom rocks are found in -Geography

Description : Mushroom rocks are found in -Geography

Last Answer : Mushroom rocks are found in deserts. They are the erosional landforms of the arid or desert region. The erosive power of wind becomes very high at a certain height from the ground level. The ... the shape of mushroom having large top and a small neck. The formation is called Mushroom rock.

1. Name the Indian soil which is formed due to the weathering of basic igneous rocks. 2. Name two states of India where this type of soil is found. -Geography

Description : 1. Name the Indian soil which is formed due to the weathering of basic igneous rocks. 2. Name two states of India where this type of soil is found. -Geography

Last Answer : 1. Black soil 2. Maharashtra and Gujarat

The Peninsular plateau is a tableland composed of the old crystalline, igneous and metamorphic rocks. What do CRYSTALLINE ROCKES mean here? -Geography

Description : The Peninsular plateau is a tableland composed of the old crystalline, igneous and metamorphic rocks. What do CRYSTALLINE ROCKES mean here? -Geography

Last Answer : Crystalline rock, any rock composed entirely of crystallized minerals without glassy matter. Metamorphic rocks are almost always crystalline; the term crystalline schists has been applied to indicate all rocks ... origin, and thus the term crystalline rocks may be taken to mean an igneous origin.

What are the root sources of igneous rocks? -Geography

Description : What are the root sources of igneous rocks? -Geography

Last Answer : Magma is the root source of igneous rocks. The igneous rocks are formed when magma cools and solidifies. When magma in its upward movement cools and turns into solid form it is called igneous rock. ... of cooling and solidification can happen in the earth's crust or on the surface of the earth.

What relationship explained by rock cycle between the major type of rocks? -Geography

Description : What relationship explained by rock cycle between the major type of rocks? -Geography

Last Answer : Rocks do not remain in their original form for long but may undergo transformation. Rock cycle is a continuous process through which old rocks are transformed into new ones. Igneous rocks are ... in temperature in the interior and turn into molten magma, the original source for igneous rocks.

How are minerals formed in igneous and metamorphic rocks? -Geography

Description : How are minerals formed in igneous and metamorphic rocks? -Geography

Last Answer : In igneous and metamorphic rocks, minerals may occur in the cracks, crevices, faults or joints. The smaller occurrences are called veins and the larger are called lodes. In most cases, they are ... Major metallic minerals like tin, copper, zinc and lead etc. are obtained from veins and lodes.

What happens when igneous and sedimentary rocks go under great heat and pressure? -Geography

Description : What happens when igneous and sedimentary rocks go under great heat and pressure? -Geography

Last Answer : They change into metamorphic rocks.

What are called igneous rocks? -Geography

Description : What are called igneous rocks? -Geography

Last Answer : When the molten magma cools, it becomes solid. Rocks formed in this way are called igneous rocks.

Sedimentary rocks are formed from sediments. -Geography

Description : Sedimentary rocks are formed from sediments. -Geography

Last Answer : Sedimentary rocks are formed from sediments because of the following reasons: Igneous rocks and metamorphic rocks, decompose, disintegrate and wear down due to weathering. This material is ... are solidified into layers due to pressure from overlying sediments they are called sedimentary rocks.

What are metamorphic rocks? -Geography

Description : What are metamorphic rocks? -Geography

Last Answer : Metamorphic Rocks When under heat and pressure igneous rocks and sedimentary rocks change their form and more precious rocks are formed to be known as metamorphic rocks. Examples: ★ Granite into granite gneiss. ★ Coal into slate. ★ Slate into schist. ★ Limestone into marble.

what are the Uses of Rocks -Geography

Description : what are the Uses of Rocks -Geography

Last Answer : Hard rocks are used in making buildings and barrages. Houses and buildings are built of rocks (stones, slates, granite, marble). Stones are used in numerous games: Seven stones (phitthoo). Hopscotch ... kit). Five stones (gitti). Rocks (stones and slates) are used in building bridges, embankments.

Formation of Extrusive and Intrusive Rocks -Geography

Description : Formation of Extrusive and Intrusive Rocks -Geography

Last Answer : Due to extreme heat in the interior of the earth, rocks are found in the form of molten material called magma. When magma comes out on the surface of the earth, it cools down and turns into solid ... the interior of the earth, it becomes solid to form intrusive rocks. Examples: ★ Granite. ★ Gabro.

How do geologists use carbon dating to find the age of rocks? -Geography

Description : How do geologists use carbon dating to find the age of rocks? -Geography

Last Answer : To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.

(a) (i) Name any three types of coal found in India. -Geography

Description : (a) (i) Name any three types of coal found in India. -Geography

Last Answer : (a) (i) Three types of coal found in India are : (1) Anthracite. (2) Bituminous. (3) Lignite. (ii) Iron and steel industries mainly use Bituminous type of coal. (b) (i) Mumbai High in ... (ii) Uses of aluminium are : 1. Used in air craft Industry. 2. Used for making head light reflectors.

(a) (i) Name any three types of coal found in India. -Geography

Description : (a) (i) Name any three types of coal found in India. -Geography

Last Answer : (a) (i) Three types of coal found in India are : (1) Anthracite. (2) Bituminous. (3) Lignite. (ii) Iron and steel industries mainly use Bituminous type of coal. (b) (i) Mumbai High in ... (ii) Uses of aluminium are : 1. Used in air craft Industry. 2. Used for making head light reflectors.

Name the different types of environmental pollution. -Geography

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.

Mention the grassland found in Australia. There are two types of grasslands in Australia. -Geography

Description : Mention the grassland found in Australia. There are two types of grasslands in Australia. -Geography

Last Answer : Tropical grasslands – Savanna Temperate grasslands- Downs

Which are the different types of maps? -Geography

Description : Which are the different types of maps? -Geography

Last Answer : Classification of Maps: A) Based on scale Large scale maps Small scale maps B) Based on purpose Physical maps Political maps Distribution naps

Mention the types of small-scale Maps? -Geography

Description : Mention the types of small-scale Maps? -Geography

Last Answer : Wall Maps and Atlas Maps.

Mention the major types of natural vegetation of Europe. -Geography

Description : Mention the major types of natural vegetation of Europe. -Geography

Last Answer : Europe has six types of vegetation : 1. Tundra Vegetation 2. Taiga Forests 3. Mixed Forests 4. Mediterranean vegetation 5. Grasslands 6. Alpine vegetation

Mention the types of natural vegetation of Africa. -Geography

Description : Mention the types of natural vegetation of Africa. -Geography

Last Answer : Natural vegetation of Africa is, Equatorial rain forest, Monsoon forest, Savanna grassland, Veld grassland, Mediterranean vegetation, Mountain vegetation, Desert vegetation, Semi-desert vegetation.

(i) How are roads classified in India ? (ii) Mention the different types of roads classified in India. -Geography

Description : (i) How are roads classified in India ? (ii) Mention the different types of roads classified in India. -Geography

Last Answer : (i) Roads in India are classified on the basis of their importance, maintenance and administration. (ii) 1. National Highways 2. State Highways 3. District Roadways 4. Village Roads 5. Border Roads

(i) With which crop is ratooning associated? (ii) What are the types of soil that suit the cultivation of this crop? -Geography

Description : (i) With which crop is ratooning associated? (ii) What are the types of soil that suit the cultivation of this crop? -Geography

Last Answer : (i) Sugarcane. (ii) Sugarcane grows well on the loams and clayey loams and also on black cotton soil. (iii) Ratoon crops have the advantage of maturing earlier. Ratoon crop is the second crop which ... left on. So, it saves time and labour of fresh sowing and it cuts the cost of cultivation.

Give the names of four important types of iron ore found in India -Geography

Description : Give the names of four important types of iron ore found in India -Geography

Last Answer : Magnetite, Hematite, Limonite and Siderite.

Write two reasons why monsoon deciduous forest are commercially more valuable than other types of forests. -Geography

Description : Write two reasons why monsoon deciduous forest are commercially more valuable than other types of forests. -Geography

Last Answer : Two reasons : (i) They are found in pure stands. (ii) They are not very dense therefore easily accessible.

Give one important use of each of the following types of trees : (i) Sundri. (ii) Sandalwood. (iii) Rosewood. -Geography

Description : Give one important use of each of the following types of trees : (i) Sundri. (ii) Sandalwood. (iii) Rosewood. -Geography

Last Answer : Uses of the following trees are : (i) Sundri: Used for making boats. (ii) Sandalwood: Used for making handicrafts and perfumery. (iii) Rosewood: Used for making expensive furniture.

Give one important use of each of the following types of trees : (i) Sundri. -Geography

Description : Give one important use of each of the following types of trees : (i) Sundri. -Geography

Last Answer : Uses of the following trees are : (i) Sundri: Used for making boats. (ii) Sandalwood: Used for making handicrafts and perfumery. (iii) Rosewood: Used for making expensive furniture.

Write two reasons why monsoon deciduous forest are commercially more valuable than other types of forests. -Geography

Description : Write two reasons why monsoon deciduous forest are commercially more valuable than other types of forests. -Geography

Last Answer : Two reasons : (i) They are found in pure stands. (ii) They are not very dense therefore easily accessible.

Name two types of cyclonic systems that affect India and two areas that receive rainfall from these systems -Geography

Description : Name two types of cyclonic systems that affect India and two areas that receive rainfall from these systems -Geography

Last Answer : Two cyclonic systems that affect India are : (i) Temperate cyclones — Region : North west of India (Punjab, Haryana) (ii) Tropical cyclones — Region : Eastern coast of India (Andhra Pradesh, Tamil Nadu, West Bengal)

What is sericulture ? Name any two types of silk. -Geography

Description : What is sericulture ? Name any two types of silk. -Geography

Last Answer : Rearing of silk worms on Mulberry leaves is known as ‘Sericulture’ Two types of silk: ‘Mulberry Silk’ and ‘Non mulberry’ silk as Tusser. Eri, Muga etc.

Name the different types of iron ore found in India. Which is the best quality iron ore ? -Geography

Description : Name the different types of iron ore found in India. Which is the best quality iron ore ? -Geography

Last Answer : Different types of iron ore found in India are: (i) Hematite (ii) Magnetite (iii) Limonite Magnetite is the best quality of iron as it contains more than 70% of iron.

Why is the silk industry considered as a small scale industry ? Name the two types of silk produced in India. -Geography

Description : Why is the silk industry considered as a small scale industry ? Name the two types of silk produced in India. -Geography

Last Answer : Silk industry is considered as a small scale industry because it does not involve much labour or capital. Two types of silk produced in India is Mulberry and Non-mulberry (Tasser, Eri and Muga).

(a) (i) Name the different types of iron ore found in India. -Geography

Description : (a) (i) Name the different types of iron ore found in India. -Geography

Last Answer : (a) (i) Different types of iron ore found in India are: 1. Anthracite 2. Bituminous 3. Lignite 4. Peat (b) An important coal producing state is Jharkhand. Coalmine—Bokaro (c) Answer has not given due to out of present syllabus. (d) Two uses of Limestone: Cement and Iron and Steel.

What are rural settlements? What are the two types of the rural settlements in the world? -Geography

Description : What are rural settlements? What are the two types of the rural settlements in the world? -Geography

Last Answer : (a) Rural settlements are most closely and directly related to land. They are dominated by primary activities such as agriculture, animal husbandry, fishing etc. The settlements size is relatively small. ... . (ii) A cultural feature-place of worship or a market binds the settlement together.

Which are the types of coal formation based n their geological ages? Where are they found in India? -Geography

Description : Which are the types of coal formation based n their geological ages? Where are they found in India? -Geography

Last Answer : Coal is an extremely important energy resource. It has been formed from the compression of plant materials over thousands of years. Coal deposits in India are of two distinct geological ages. The ... according to geological type in India. Coalfields are present in almost all the states of India.

Name the different types of pollution which lead to the degradation of the environment. -Geography

Description : Name the different types of pollution which lead to the degradation of the environment. -Geography

Last Answer : Even though there are various causes that are leading to the degradation of the environment but the increase in pollution cannot be ignored. Moreover, the development of the industries is ... saws, pneumatic, and electric drills. All this pollution affects the environment in various ways.

Describe the nature and mode of origin of the chief types of rock at the earth’s crust. How will you distinguish them?\ -Geography

Description : Describe the nature and mode of origin of the chief types of rock at the earth’s crust. How will you distinguish them?\ -Geography

Last Answer : The earth's crust is composed of rocks. A rock is made up by aggregate of one or more minerals. Rock may be hard or soft and in varied colours. For example, granite is hard, ... contact with the crustal rocks or the underlying rocks are subjected to great amounts of pressure by overlying rocks.

Mention any three major industrial regions of Japan. -Geography

Description : Mention any three major industrial regions of Japan. -Geography

Last Answer : There are four major industrial regions in Japan. 1. The Keihin Region is the greatest industrial region of Japan. It includes by Tokyo, Kawasaki and Yokohama cities. The important industries ... Yawata, Kokura and Mji. The industries are steel, ship-building, machinery, chemicals and textiles.

write any three basic elements of a map -Geography

Description : write any three basic elements of a map -Geography

Last Answer : Three basic elements of a map are followings It introduces the topic or the theme of the map. Direction: it helps us to find the way. Scale: It helps us to measure distances between places.

What is the main contribution of agriculture to the national economy? Explain any three steps taken by the Government of India -Geography

Description : What is the main contribution of agriculture to the national economy? Explain any three steps taken by the Government of India -Geography

Last Answer : Agriculture provides good employment opportunities which contributes to the increase in national income level. This also improves people's living standards. Steps taken by government: (1) ... different agricultural universities have been started. (3) Breeding centres for animals are opened.

Why do we need to conserve forest and wildlife resources? Explain any three reasons. -Geography

Description : Why do we need to conserve forest and wildlife resources? Explain any three reasons. -Geography

Last Answer : Wildlife and forests must be conserved for the following reasons: Biodiversity persists in a particular region because of forests so it is important to save a different kind of species with the help ... air which is important for human beings and keep a stable climatic condition for human health.

Mention three constraints explaining why cultivable waste land is not being used for cultivation at present. -Geography

Description : Mention three constraints explaining why cultivable waste land is not being used for cultivation at present. -Geography

Last Answer : The constraints are : 1. Due to human neglect, large tracts of land of U.P., Punjab and Haryana turned infertile due to salinity or alkalinity of soil. 2. Due to extensive soil ... the soil resulting from faulty agricultural practices, large tracts of land now, can not be used for agriculture.

Give three reasons to explain the development of sugar industry in Maharashtra. -Geography

Description : Give three reasons to explain the development of sugar industry in Maharashtra. -Geography

Last Answer : Maharashtra is the most important state where sugarcane cultivation and sugar mills are integrated in co-operative system. In fact, Maharashtra has emerged as India's largest producer of sugar, producing ... Longer crushing period of 162 days. 3. Close proximity of mills to the growing areas

Give three differences between the Western and the Eastern Himalayas. -Geography

Description : Give three differences between the Western and the Eastern Himalayas. -Geography

Last Answer : Differences between the Western and the Eastern Himalayas: Western Himalayas 1. The Western Himalayas lie to the west of 86°W longitude, between the Indus and the Kali rivers. 2. It rises gradually in a ... . 3. The average rainfall is more than 200 cm. 4. Vegetation is mainly dense evergreen.

What are the three advantages that Japan has over India with respect to marine fishing ? -Geography

Description : What are the three advantages that Japan has over India with respect to marine fishing ? -Geography

Last Answer : Marine Fishing in Japan The meeting of warm Kuroshio and cold Oyashio current provides plankton, which is ideal for fish. Big corporations with modernized ships and equipment, help the people to ... leading to a lesser coast-line and thereby reducing the opportunities in marine fishing in India.

What are the three advantages that Japan has over India with respect to marine fishing ? -Geography

Description : What are the three advantages that Japan has over India with respect to marine fishing ? -Geography

Last Answer : Marine Fishing in Japan: 1. The meeting of warm Kuroshio and cold Oyashio current provides plankton, which is ideal for fish. 2. Big corporations with modernized ships and equipments, help ... ports leading to a lesser coast-line and thereby reducing the opportunities in marine fishing in India.

Mention any three factors that determine the location of an industry. -Geography

Description : Mention any three factors that determine the location of an industry. -Geography

Last Answer : Three factors determining the location of an industry are : (i) Raw Material : Industries which use heavy and bulky raw materials in their primary stage in large quantities, are usually located ... and Panipat. 2. It is one of the fastest-growing market-oriented industrial cluster adjoining Delhi.

Explain any three factors that influence the spatial distribution of population in India. -Geography

Description : Explain any three factors that influence the spatial distribution of population in India. -Geography

Last Answer : The three factors are : 1. Terrain: The plains have encouraged higher density of population as compared to mountain region. The steep slope of the Himalayas restrict the availability of land ... rural folk. Urban areas provide vast scope for employment in industries, trade, transport and services.