"Surface Processes" - Geosc 10 Tuesday, March 2nd, 1999

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Geosc 10 Tuesday, March 2nd, 1999 Announcements: Professor Furman will try to return all writing assignments by the Thursday lecture after spring break. Lecture notes: I. Preview A. "Surface Processes" -- things that go on at the surface of the earth 1. Weather --what is occurring at a particular moment in any given area (ex. rain, snow, sleet, high temperatures) 2. Climate --the average temperature, precipitation, barometric pressure, etc. in an area; it is influenced by geography and topography 3. Weathering --two types of weathering a. Chemical weathering --the making of little pieces from big pieces (1). Hydrolysis --chemical breaking apart of rock by water; gradual replacement of unstable materials by stable ones (2). Acid-enhanced --a little faster today than in earlier years; any acid speeds up the process of weathering b. Mechanical weathering (physical weathering)--the making of new types of materials that were not there previously (1). Physical break-up of rock; needs water because it is the
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This note was uploaded on 02/21/2008 for the course GEOSC 10 taught by Professor Furman during the Spring '99 term at Pennsylvania State University, University Park.

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"Surface Processes" - Geosc 10 Tuesday, March 2nd, 1999

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