Geology√

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Geology√

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Geology√

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Geology√

1974 Archival description results for Geology√

1974 results directly related Exclude narrower terms

North Magnetic pole and its possible location in the past

Wandering curves of North Magnetic pole showing where pole appears to have been in the past, as "seen" from different continents through studies of magnetic orientation of increasingly older rocks. Some geologists interpret data to mean that continents have moved. Heezen, 1960.

Normal fault in Newark series

Normal fault in Newark series, N.Y. State Thruway about one mile west of Spring Valley, Rockland County, N.Y. Larry Lattman in photograph.

Results 646 to 660 of 1974