VOLCANIC ERUPTION AND ITS IMPACT ON ENVIRONMENT

INTERIOR OF EARTH

CAUSES OF VOLCANICITY 1) DECREASE OF PRESSURE

CAUSES OF VOLCANICITY 2) ROLE OF RADIO ACTIVE MINERALS 3)PLATE TECTONIC ACTIVITY 4) HOT SPOT

CAUSES OF VOLCANICITY 5) EARTH MOVEMENT 6) THERMAL CONTRAC TION 7) ROLE OF WATER

TYPES OF VOLCANICITY

LAND FORMS CREATED BY EXTRUSIVE VOLCANICITY 1. ELEVATED LANDFORM A) VOLCANO

LAND FORMS CREATED BY EXTRUSIVE VOLCANICITY 1. ELEVATED LANDFORM B) VOLCANIC ISLAND

LAND FORMS CREATED BY EXTRUSIVE VOLCANICITY 1. ELEVATED LANDFORM C) OCEANIC RIDGE

LAND FORMS CREATED BY EXTRUSIVE VOLCANICITY 2. SUBSIDED LANDFORM A) CRATER

LAND FORMS CREATED BY EXTRUSIVE VOLCANICITY 2. SUBSIDED LANDFORM B) CALDERA

LAND FORMS CREATED BY EXTRUSIVE VOLCANICITY 2. SUBSIDED LANDFORM C) VOLCANIC LAKE

LAND FORMS CREATED BY INTRUSIVE VOLCANICITY 1. SILL

LAND FORMS CREATED BY INTRUSIVE VOLCANICITY 2. DYKE

LAND FORMS CREATED BY INTRUSIVE VOLCANICITY 3. LACCOLITH

LAND FORMS CREATED BY INTRUSIVE VOLCANICITY 4. LOPOLITH

LAND FORMS CREATED BY INTRUSIVE VOLCANICITY 5. PHACOLITH

LAND FORMS CREATED BY INTRUSIVE VOLCANICITY 6. BATHOLITH

IMPACT ON ENVIRONMENT 1) RELEASE OF PRESSURE 2) CONCEPT ABOUT INTERIOR OF EARTH 3) VOLCANIC LAKE 4) FORMATION OF BLACK SOIL 5) DESTRUCTION OF MARINE ECOSYSTEM 6) DESTRUCTION OF LIFE AND PROPERTIES 7) ENVIRONMENTAL POLLUTION

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