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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 22 (1938)

Issue: 9. (September)

First Page: 1255

Last Page: 1260

Title: Problem of Secondary Tilt--Harker's Solution Corrected

Author(s): Edmund M. Spieker (2)


Harker's solution for the problem of secondary tilt is shown to be invalid for most cases. The nature of the method is explained and a modification is offered which will give accurate results. Another method, based on the use of cotangents instead of tangents, is described.

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