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RIP CURRENT

Mostly occurring near shores and beaches RIP currents are strong, localized, narrow current of water which moves directly away from the shore, cutting through the lines of breaking waves like a small river flowing back to the sea. It happens to be the strongest near the surface of the water. The real …

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Orbicular Structure

Orbicular Structure in Bundelkhand Craton The Bundelkhand Craton is composed of palaeo‐Proterozoic granitic batholiths with slivers and narrow belts and rafts of older supra‐crustal rocks which range in age from 2.5 to 3.2 Ga. It is composed of various granitic phases ranging in composition from tonalite‐ trondjhemite‐granodiorite (TTG) suite to …

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PYROCLASTIC FLOW

INTRODUCTION:- Although the word volcano may indicate poisonous ash moving up like a mushroom and bright hot dangerous lava flowing at an escapable pace yet there is something that always skips people’s mind i.e. Pyroclastic flow. Pyroclastic flow or Pyroclastic density current or Pyroclastic cloud is a fast moving current …

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Seismic Wave Types

Seismic waves can also be labeled by the paths they take in the Earth. Body waves (P or S) travel through the interior of the Earth. Surface Waves travel along the Earth surface. Their speeds are slower and their amplitudes decrease slowly with distance compared to the body waves. Two …

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Type of Streams

Type of Streams

On the basis of their characteristics and patterns, streams are classified into a number of groups each of which implies something of the origin and history of stream. They are described below. Consequent Streams: On any newly uplifted land surface the first streams will have their own characters determined by …

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Types of Volcanoes

Successive eruptions from a single vent build the mountainous accumulation of Material known as volcanoes. Three types of volcanoes are generally recognized. a) Shield Volcanoes b) cinder cones and c) composite cones or strata volcanoes. Each has a characteristic style of eruption and consequently characteristic form. Shield Volcano: When highly …

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Volcanic Products

  The products of volcanic eruption consist of gases, rock fragments of different sizes And finally the lavas of different composition. Steam is the commonest of the volcanic Gases. It is discharged by active volcanoes in immense quantity as indicated by the great Height and enormous volume of the clouds …

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Voclanoes

The term Volcano is derived from the name Vulcan, The Roman God, applied to Mt. Etna in Sicily and to some of the volcanoes of the Lipai Islands north of Sicily. The term Volcanism is used to embrace all aspects of volcanic activity, the name volcano is generally Applied to …

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What Do We Mean by Plate Tectonics?

  The paleomagnetic proof of continental drift and the discovery of sea-floor spreading set off a scientific revolution in geology in the 1960s and 1970s. Geologists realized that many of their existing interpretations of global geology, based on the premise that the positions of continents and oceans remain fixed in …

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