Prepared by: Mrs. Savita Kukreti Pawar Public School LANDFORMS OF THE EARTH

 What are landforms?  How are they formed?

FORCES CAUSING LANDFORMS ENDOGENICDIASTROPHIC EPIOROGENIC UPLIFT & SUBMERGENC E (CONTINENT BUILDING FORCES) OROGENIC (MOUNTAIN MAKING FORCES) SUDDEN CONSTRUCTIVE FORCES VOLCANIC ERUPTIONS EARTHQUAKESEXOGENIC ALLUVIAL AND EROSIONAL PLAINS

LANDFORMS AND THEIR TYPES MOUNTAINS PLATEAUS PLAINS

TYPES OF MOUNTAINS FOLD MOUNTAINS BLOCK MOUNTAINS VOLCANIC MOUNTAINS

FOLD MOUNTAINS  How are fold mountains formed?

FEATURES OF FOLD MOUNTAINS 1. IRREGULAR FOLDS IN FOLD MOUNTAINS DUE TO UNEQUAL PRESSURE

 What does this image show

 Which type of rocks have this feature?  How are these rocks formed?

FEATURES OF FOLD MOUNTAINS FEATURE 2: MOST OF THESE MOUNTAINS ARE CONSTITUTED OF SEDIMENTARY ROCKS FORMED DUE TO DEPOSITION AND CONSOLIDATION OF SEDIMENTS IN SHALLOW OCEANS

FEATURES OF FOLD MOUNTAINS 3. FOLD MOUNTAINS HAVE GREATER LENGTH BUT COMPARATIVELY SMALL WIDTH

FEATURES OF FOLD MOUNTAINS FEATURE IV: MOST FOLD MOUNTAINS ARE FOUND ON THE MARGINS OF CONTINENTS FEATURE V : FOLD MOUNTAINS ARE ASSOCIATED WITH VOLCANIC ACTIVITY AND HAS MANY ACTIVE VOLCANOES

VOLCANIC MOUNTAINS

BLOCK MOUNTAINS  How are block mountains formed

BLOCK MOUNTAINS

IDENTIFY THIS PHYSICAL FEATURE

PLATEAUS 1. INTERMONTANE PLATEAU 2.PIEDMONT PLATEAU 3.VOLCANIC PLATEAUS 4.UPLIFTED PLATEAU

INTERMONTANE PLATEAU  Highest and most extensive  Surrounded by hills and mountains.

INTERMONTANE PLATEAU

TIBET PLATEAU

LOCATION OF TIBET PLATEAU

PIEDMONT PLATEAUS  Mountain ranges on one side and plains on one side.  The part facing the plain is steep.

PEIDMONT PLATEAU

VOLCANIC PLATEAU

COLUMBIAN PLATEAU

LOCATION OF COLOMBIAN PLATEAU

UPLIFTED PLATEAU

CHOTA NAGPUR PLATEAU

PLAINS  What are Plains

PLAINS

TYPES OF PLAINS PLAINS STRUCTURALEROSIONAL DEPOSITIONA L

STRUCTURAL PLAINS  Formed due to uplift or subsidence of land

LOCATION OF THE GREAT PLAINS OF USA

ERROSIONAL PLAINS  These plains are formed by agents of erosion like  River  Wind  Chemical weathering

TYPES OF EROSIONAL PLAINS  EROSIONAL PLAINS Peneplains Glacial erosion Wind eroded Karst plain

PENEPLAINS  Landscapes in which almost all hills have been worn down as a result of erosion  The word peneplains means almost a plain

PENEPLAINS

LORRAINE PLAIN IN FRANCE

LOCATION OF LORRAINE PLAIN

GLACIAL EROSION  These plains have rounded peaks and worn down ice scoured shield lands  Due to the action of the glacier the area gets worn down and the height is reduced.

GLACIAL EROSION

PLAINS OF GLACIAL EROSION

WIND ERODED PLAINS

KARST PLAINS

 Due to chemical weathering the area gets eroded and produces undulating topography.  This type of features are mostly found in limestone landscapes where chemical weathering takes place.

DEPOSITIONAL PLAINS  These plains are caused due the deposition of various agents such as  River  Wind  Sea

RIVER DEPOSITION

RIVER DEPOSITIONAL PLAINS

GANGA ALUVIAL PLAIN

WIND DEPOSITION PLAIN

MARINE DEPOSITION PLAIN