Journal Article

Seismic velocities of the uppermost igneous crust versus age

Ingo Grevemeyer and Wilfried Weigel

in Geophysical Journal International

Volume 124, issue 2, pages 631-635
Published in print February 1996 | ISSN: 0956-540X
Published online February 1996 | e-ISSN: 1365-246X | DOI: https://dx.doi.org/10.1111/j.1365-246X.1996.tb07041.x
Seismic velocities of the uppermost igneous crust versus age

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Summary

Seismic refraction velocity data from the acoustic basement (called layer 2A) have been compiled for different mid-ocean ridges. The data from post-1970 studies show a strong correlation between velocity and basement age. Importantly, velocities double in less than 10 Myr for all ridges, but for older crust, up to 160 Myr in age, velocities do not increase significantly.

Keywords: crust; mid-ocean ridges; seismic refraction; seismic velocities

Journal Article.  0 words. 

Subjects: Geophysics

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