Plate Tectonic Theory Wel-Come Dept. of Geography Topic of Discussion

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Plate Tectonic Theory Wel-Come Dept. of Geography Topic of Discussion Prof. Herry Hess Presented By – Prof. R.K.Pawar Dept. of Geography SSVPS Arts, Commerce & Science College Shindkheda

EARTH’S INTERIOR & Plates

TECTONIC PLATES

The Rock Cycle

Plate Tectonics A relatively recent theory that the Earth's crust is composed of rigid plates that move relative to one another. Plate movements are on the order of a few centimeters/year - about the same rate as your fingernails grow! There are 3 types of plate boundaries: 1. divergent 2. convergent 3. transform

Continental Divergent Boundary Example: Red Sea / E. African Rift

Oceanic Divergent Boundary Example: Mid-Atlantic Ridge

NORMAL FAULT REVERSE FAULT TRANSFORM FAULT

SAN ANDREAS FAULT PACIFIC PLATE WEST SIDE MOVES NORTH NORTH AMERICAN PLATE EAST SIDE MOVES SOUTH EAST WEST SOUTH