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Geophysical investigation of the southern Puget Sound area, Washington

Daneš, Z. F. ; Bonno, M. M. ; Brau, E. ; Gilham, W. D. ; Hoffman, T. F. ; Johansen, D. ; Jones, M. H. ; Malfait, B. ; Masten, J. ; Teague, G. O.

Journal of Geophysical Research, 1965-11, Vol.70 (22), p.5573-5580 [Periódico revisado por pares]

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Título:
Geophysical investigation of the southern Puget Sound area, Washington
Autor: Daneš, Z. F. ; Bonno, M. M. ; Brau, E. ; Gilham, W. D. ; Hoffman, T. F. ; Johansen, D. ; Jones, M. H. ; Malfait, B. ; Masten, J. ; Teague, G. O.
É parte de: Journal of Geophysical Research, 1965-11, Vol.70 (22), p.5573-5580
Notas: ark:/67375/WNG-6NV8MLF4-0
ArticleID:JGR4121
istex:19C5D69ED70586644E70B9CCF632D0F2ECE8C892
Descrição: Detailed surface geology and gravity maps of the Puget Sound area, combined with limited magnetic observations, earthquake epicenters, and well records, have been studied in order to determine the geologic structure of the region. The Puget Sound lowlands are a deep crustal depression separated from the Olympic Peninsula by an active fault of about 4000 m throw. The basin is divided into three main parts by an igneous horst with an older gabbroic core and younger basaltic layers. The northeastern part of the basin, centered around Seattle, has sedimentary thicknesses of about 10,000 m. The southern part, centered near Tacoma, and the western one, around Skokomish, are about 4000 m deep. Faults along the horst are active, the northern one more so. Surface geological work is hampered by a thick layer of glacial till.
Editor: Blackwell Publishing Ltd
Idioma: Inglês

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