Accession Number:

AD0804294

Title:

Tectonic Features of the Earths Crust and Upper Mantle

Descriptive Note:

[Technical Report, Progress Report]

Corporate Author:

PITTSBURGH UNIV PA

Personal Author(s):

Report Date:

1966-12-20

Pagination or Media Count:

27

Abstract:

A discussion is given of the quality of the data obtainable from carefully selected Rayleigh Surface Waves traversing the North American continent. Using data from five events, a phase velocity map is constructed for the United States, the Canadian Shield, and Greenland. Average values are computed for various regions of this area and are given in a table and compared from region to region as well as with previous results.

Descriptors:

Subject Categories:

  • Seismology

Distribution Statement:

[A, Approved For Public Release]