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THE CORRELATION OF SEISMIC VELOCITIES WITH FORMATIONS IN THE SOUTH‐WEST OF SCOTLAND *
Author(s) -
HALL JEREMY
Publication year - 1970
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1970.tb02100.x
Subject(s) - geology , lithology , seismic velocity , seismology , igneous petrology , borehole , igneous rock , rift , regional geology , palaeogeography , geophysics , petrology , paleontology , engineering geology , telmatology , tectonics , volcanism
In seismic studies being carried out to elucidate the structure at depth of the Midland Valley rift and the Tertiary igneous province in the West of Scotland, a lack of deep boreholes makes the collection of velocity data imperative for identification of seismic events and for determinations of depth. Three methods are used to investigate the correlation of seismic velocities and geological formations. The results show as strong a dependence of velocity on method of measurement as on lithology and the wide spread of values within a given formation makes the attribution of discrete velocity ranges to specific formations impossible. Changes of velocity are more significant than absolute values. The variations in both are discussed.