Time-delay interpretation of seismic refraction data in the Caledonian Front, Jämtland, central Scandinavian Caledonides

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Authors:Palm, Hans
Author Affiliations:Primary:
Uppsala Univ., Uppsala 751 22, Sweden
Volume Title:Geologiska Foreningens i Stockholm Forhandlingar
Source:Geologiska Foreningens i Stockholm Forhandlingar, 106(1), p.1-14. Publisher: Geological Society of Sweden, Stockholm, Sweden. ISSN: 0016-786X
Publication Date:1984
Note:In English. 11 refs.; illus. incl. 1 table
Summary:Seismic refraction data have been carried out along several profiles through the Caledonian front in Jamtland to investigate the configuration of the Precambrian crystalline basement beneath the Caledonian sedimentary cover. The seismic sections were calculated according to the time-delay method and by assuming a linear increase of velocity with depth. The seismic models are compared with drill-hole data, interpretation of aeromagnetic data and surface geology. The magnetic and seismic models concur well along most of the profiles but differ greatly locally, thus demonstrating the importance of the application of various geophysical techniques when investigating complex stratigraphies. The models suggest the existence of an undulating basement surface in the Caledonian front that coincides with some of the major folds in the sedimentary cover. [B.L.]
Subjects:Basement; Body waves; Elastic waves; Geophysical methods; Geophysical surveys; P-waves; Refraction methods; Sedimentary cover; Seismic methods; Seismic waves; Surveys; Velocity structure; Caledonides; Europe; Jamtland Sweden; Scandinavia; Sweden; Western Europe; Caledonian Front
Coordinates:N630500 N643000 E1530900 E1250200
Abstract Numbers:85M/4569
Record ID:1987043886
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique
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