X1014291454-00124-28826</DOCNO> Lecture 17 Liberal Arts Normal Liberal Arts 2 0 2001-04-03T18:14:00Z 2001-04-03T18:14:00Z 2001-04-03T18:14:00Z 2 370 2111 IUPUI 17 4 2592 9.2720 LANDFORMS AND ROCK STRUCTURE The study of landforms is called geomorphology : science of landforms, including their history and processes of origin Landforms : configuration of the land surface taking distinctive forms and produced by natural processes Examples: hill, mountain, valley, plateau, floodplain, cliff, canyons ***Landforms are the surface expression of the lithosphere and owe their development to processes originating from both within and outside the earth s surface Two types of processes that are shaping Earth s surface: Internal (tectonics, volcanic and earthquake activity): INITIAL LANDFORMS Example: Mountains are formed by movement in the earth s crust (tilt fault, folds, volcanic activity ) External (weathering, erosion by running water, wind, waves): SEQUENTIAL LANDFORMS 
(processes; originating; from both within and outside the earth) (configuration of the land surface; taking; distinctive forms) (crust (tilt fault; folds; ) (processes; are shaping; Earth s surface) (Mountains; are formed; by movement in the earth) Context(Mountains are formed,List([799, 819))):(Landforms; are; the surface expression of the lithosphere)
Mountains are formed,List([799, 819))
processes configuration of the land surface crust (tilt fault processes Mountains Landforms
originating taking folds are shaping are formed are
from both within and outside the earth
distinctive forms
Earth s surface
by movement in the earth
the surface expression of the lithosphere