Affiliation:
1. Lamont Geological Observatory (Columbia University)
Abstract
Abstract
A reversed seismic refraction measurement was made 120 miles northwest of Bermuda (400 miles east of Cape Hatteras) in 2,800 fathoms of water. A velocity of 24,800 feet per second (7.58 km/sec.) for the second layer was identified with the ultrabasic layer of earthquake seismology. Assuming a velocity of 5,600 feet per second (1.70 km/sec.), clearly indicated by earlier measurements, a thickness of 4,500 feet was obtained for the sedimentary layer. The granitic and intermediate layers were absent.
Publisher
Seismological Society of America (SSA)
Subject
Geochemistry and Petrology,Geophysics
Cited by
12 articles.
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