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Christofferson, Eric – Journal of Geological Education, 1986
Presents a procedure for calculating the compass direction and velocity of present plate motions at any geographical point of interest. Includes a table of the relative and geographic motion of the 11 largest plates and a flow chart for determining their present motion. Also offers suggestions for classroom instruction. (ML)
Descriptors: College Science, Geology, Mathematical Models, Physical Geography
Peer reviewed Peer reviewed
Kerr, Richard A. – Science, 1986
Reviews seismological studies that provide evidence of the existence of continental roots beneath the continents. Suggests, that through the collisions of plate tectonics, continents stabilized part of the mobile mantle rock beneath them to form deep roots. (ML)
Descriptors: Geology, Oceanography, Physical Environment, Physical Geography
Peer reviewed Peer reviewed
Klitgord, K. K.; Schlee, J. S. – Journal of Geological Education, 1986
Offers explanations on the origin of the North American Atlantic continental margin. Provides an analysis and illustrations of structural and strategraphic elements of cross sections of the Atlantic continental margin. Also explains the operations and applications of seismic-relection profiles in studying ocean areas. (ML)
Descriptors: College Science, Geology, Higher Education, Oceanography
White, Robert S.; McKenzie, Dan P. – Scientific American, 1989
Investigates the nature of catastrophic volcanism and the rifting process. Describes two kinds of evidence: quantitative descriptions of rock melting and a wide range of observations. Discusses examples of continent growth in the North Atlantic, India and the Seychelles islands, and the South Atlantic. (YP)
Descriptors: Earth Science, Geographic Regions, Geology, Geophysics
Potter, Paul Edwin – Journal of Geology, 1986
Continental geology and tectonics are explored through this study of modern beach sands of South America. This report assesses how well petrographic studies of sandstones can recreate continental geography. Data on the petrography of 218 modern South American beach sands are presented and analyzed. The five major mineral associations of light…
Descriptors: Geology, Higher Education, Marine Education, Mineralogy
Lisitzin, Alexandre P. – 1986
Designed to serve as a complement to the Unesco Technical Papers in Marine Science, this report concentrates on theoretical and practical problems of geological mapping of the sea floor. An introduction is given to geological mapping procedures at continental margins as well as some practical recommendations taking as an example the African region…
Descriptors: Cartography, Foreign Countries, Geology, International Cooperation
Naturescope, 1987
Provides background information on how scientists have learned about the history of the Earth, including studying fossils, dating rocks, and tracing geological movements. Included are teaching activities about prehistoric animals, state fossils, tracing animal movement and evolution, and discovering fossils. Contains reproducible handouts and…
Descriptors: Animals, Botany, Elementary Education, Elementary School Science
Scanlon, Andrew, Ed.; And Others – 1990
Knowledge of the physiographic evolution of the Tasmanian landscape is still very far from complete; however, all aspects of the landscape are governed by definable processes acting on the rock medley which is the heritage of Tasmania's geological history. This book explains Tasmania's landforms and geology in terms of geologic processes. Chapters…
Descriptors: Earth Science, Environmental Influences, Foreign Countries, Geology
Naturescope, 1987
Provides background information on the layers of the earth, the relationship between changes on the surface of the earth and its insides, and plate tectonics. Teaching activities are included, with some containing reproducible worksheets and handouts to accompany them. (TW)
Descriptors: Earthquakes, Elementary Education, Elementary School Science, Experiential Learning
Naturescope, 1987
Provides background information on various agents that change the landscape. Includes teaching activities on weathering, water, wind and ice erosion, plate tectonics, sedimentation, deposition, mountain building, and determining contour lines. Contains reproducible handouts and worksheets for two of the activities. (TW)
Descriptors: Elementary Education, Elementary School Science, Environmental Influences, Geology