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| Titel: |
Seismic velocities from explosions off the central coast of New South Wales |
| Auteur: |
Doyle, H. A. Underwood, R. Polak, E. J. |
| Verschenen in: |
Australian journal of earth sciences |
| Paginering: | Jaargang 13 (1966) nr. 2 pagina's 355-372 |
| Jaar: |
1966 |
| Inhoud: |
Travel times from explosions fired on the continental shelf off the central coast of New South Wales were observed at permanent stations and spreads of seismic exploration instruments, and combined with existing results to give a seismic crustal profile across part of southeastern Australia. An intermediate layer, dipping to the southwest, underlies the surface rocks and has a P velocity of about 6-52 km./sec. Beneath Sydney, its top may either be in contact with the basin sediments at a depth of about 5 km., or separated from them by a wedge of a few kilometres of 6 km./sec. material. The Mohorovicic discontinuity (M) is at a depth of 25 km., dips to the southwest at about 4 degrees, and the velocity under it is about 7.86 km./sec. The depth to the top of the intermediate layer under the Snowy Mountains is about 20 km., and the revised depth to M is about 42 km. M dips at about 2° to the southwest in this region, and the velocity at the top of the mantle is 8.1 km./sec. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 12 van 21 gevonden artikelen
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