Plate tectonics lecture notes pdf

There are many different categories or disciplines that make up the science of geology. Tectonics does not necessarily equal plate tectonics. Plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research that culminated in key discoveries such as geomagnetic. In the early 1960s, the emergence of the theoryof plate tectonicsstarted a revolution in the earth sciences. We now know that, directly or indirectly, plate tectonics influences nearly. Continental drift and plate tectonics university of iceland. The theory of plate tectonics grew out of earlier hypotheses and observations collected. Topics on plate tectonics topics tests project week 1 outline summary great meteor hotspot yellowstone hotspot week 2 mackenzie dike. For 2 centuries, ideas had been formulated about how mountains, ocean basins, etc.

See full notes in pdf click here composite volcanoes made up of alternating layers of lava and ash and containing sticky lava which doesnt flow very far e. Etna in italy usually found at destructive plate boundaries steepsided and coneshaped molten lava eventually cools to form new rocks. View eas 100 winter 2020 lecture 6 plate tectonics. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Choose from 500 different sets of study notes earth science plate tectonics flashcards on quizlet. The structure of the earth, plate tectonics and landforms. This document is highly rated by upsc students and has been viewed 36 times. Each type of interaction causes a characteristic set of earth structures or tectonic features. Es10 earth lecture 6 isostasy and plate tectonics david sandwell plate tectonic notes by lisa tauxea number of questions were posed in the last two. Plate tectonics the earths crust is divided into plates which are moved in various directions. As you go deeper into earths interior, the temperature continually. It wasnt until the middle to late1960s that plate tectonic theory was generally. Plate tectonics describes the distribution and motion of the plates.

The layer below the lithosphere is the asthenosphere. A88 lecture notes on convection and plate tectonics ii. Plate tectonics a theory that allows geologists to explain many geologic processes. Plate tectonics is the unifying theory of geology and revolutionized geology. The earth is the only planet known to currently have plate tectonics. Gy 111 lecture note series university of south alabama.

Lithosphere is divided into plates that slide around on top of the slowly moving mesosphere tectonic plates it occurred after the breakup of pangaea, and since then the continents. Plates are composed of the crust and a part of the upper mantle, these two parts together are called the lithosphere. Note that the boundary that is important in plate tectonics marks a change in strength. Most of the plates are composed of continental and oceanic lithosphere. This general lecture on tectonics will describe and compare some young mountain chains on the. Plate tectonics geography lecture 42 notes edurev is made by best teachers of upsc. Notes on plate tectonics plate tectonics states that the earths crust and upper mantle are broken into sections, called plates. Crust mantle core crust lithosphere plate movement the crust is broken into plates that move.

Plate tectonics is the unifying theory of the earth how did the theory develop. Learn study notes earth science plate tectonics with free interactive flashcards. Scribd is the worlds largest social reading and publishing site. Introduction, history of the earth and geological time. Plate tectonics is the theory that unified earlier ideas of continental drift and seafloor spreading. Most geophysicists opposed the hypothesis of plate tectonics in the early 1900s, even as late as the 1960s.