Can the Earth be Dated from Decay of Its Magnetic Field?.

Dalrymple, G. Brent

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Peer reviewed

ERIC Number: EJ278606

Record Type: Journal

Publication Date: 1983-Mar

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Can the Earth be Dated from Decay of Its Magnetic Field?

Dalrymple, G. Brent

Journal of Geological Education, v31 n2 p124-33 Mar 1983

Thomas G. Barnes, geologist/creationist, argues that the geomagnetic field was created by unknown processes when earth was created and has been decaying (irreversibly/exponentially) with a half-life of about 1,400 years since then. Shows that Barnes' proposition is wrong and explains why the earth's age cannot be determined from magnetic-field data. (Author/JN)

Descriptors: College Science, Controversial Issues (Course Content), Creationism, Earth Science, Evolution, Geophysics, Higher Education, Science Education, Science Instruction, Scientific Concepts, Scientists, Secondary Education, Secondary School Science

Publication Type: Journal Articles; Reports - Descriptive

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Language: English

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