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Topic: Paleomagnetism


  
 paleomagnetism on Encyclopedia.com   (Site not responding. Last check: 2007-10-09)
Paleomagnetism is possible because some of the minerals that make up rocks—notably magnetite—become permanently magnetized parallel to the earth's magnetic field at the time of their formation.
Paleomagnetic studies of the ocean floor have been of decisive importance in establishing the modern theories of continental drift and seafloor spreading.
Paleomagnetic determination of the age of the serpent mound structure (1).
www.encyclopedia.com /html/p1/paleomag.asp   (642 words)

  
 AllRefer.com - paleomagnetism (Geology And Oceanography) - Encyclopedia
paleomagnetism, study of the intensity and orientation of the earth's magnetic field as preserved in the magnetic orientation of certain minerals found in rocks formed throughout geologic time.
Ideas of paleomagnetism began in the late 1920s, when French physicist Mercanton, suggested that because today's magnetic field is close to the earth's rotational axis, continental drift could be tested by ascertaining the magnetic characteristics of ancient rocks; however, it was not until after World War II that rock paleomagnetism data was gathered.
Paleomagnetism is possible because some of the minerals that make up rocks : notably magnetite : become permanently magnetized parallel to the earth's magnetic field at the time of their formation.
reference.allrefer.com /encyclopedia/P/paleomag.html   (453 words)

  
 Creation-Evolution Encyclopedia - The most comprehensive source of scientific facts and statements on origins
Related major topics: Effects of the Flood / Ancient Man / Paleomagnetism / Drift and Tectonics / Archaeological Dating
Scientists Speak about Fossils - The astounding truth about fossils is well-known by paleontologists, but the public is kept ignorant of it [2]
Paleomagnetism - Scientific data on the wandering poles and magnetic reversals
pathlights.com /ce_encyclopedia/Index.htm   (2091 words)

  
 NCSE Store   (Site not responding. Last check: 2007-10-09)
Now, in Plate Tectonics, she compiled the definitive history of the theory, told by the very scientists who developed and assembled evidence for it.
Sections include The Historical Background, The Early Work: From Paleomagnetism to Sea Floor Spreading, Heat Flow and Seismology, The Plate Models, From the Oceans to the Continents, and Continents Really Do Move.
Oreskes is Associate Professor of History at the University of California, San Diego.
www.ncseweb.org /store.asp?sectiontype=bookstore&bookcategorynumber=4&...   (3265 words)

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