Magnetostratigraphy of ODP Leg 117 sites
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PANGAEA
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
1991
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| _version_ | 1867171360796573696 |
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| author | Hayashida, Akira Bloemendal, Jan |
| author_facet | Hayashida, Akira Bloemendal, Jan |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Magnetic measurements were made on discrete samples from the Neogene pelagic and hemipelagic sediments recovered during ODP Leg 117. Polarity zones, usually identified for uppermost 200 m, were correlated to the geomagnetic polarity time scale referring to biostratigraphic datums. Quality and resolution of the magnetostratigraphy was partly limited by the weak and relatively soft magnetic character of almost all intervals, and core disturbance by gas expansion at some Oman Margin sites. Clear polarity records of the Brunhes and Matuyama chrons (C1 to C2r) were observed at Sites 724 and 727 on the Oman continental margin. Extended reversal records of the Pliocene were found at Site 722 on the Owen Ridge and Site 728 on the Oman Margin, and correlated to the Gauss to Gilbert chrons (C2A to C3). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_756767 |
| institution | PANGAEA |
| language | en |
| publishDate | 1991 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Magnetostratigraphy of ODP Leg 117 sites Hayashida, Akira Bloemendal, Jan 117-721A; 117-721B; 117-722A; 117-722B; 117-724B; 117-724C; 117-727A; 117-728A; 117-731A; Arabian Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg117; Ocean Drilling Program; ODP Magnetic measurements were made on discrete samples from the Neogene pelagic and hemipelagic sediments recovered during ODP Leg 117. Polarity zones, usually identified for uppermost 200 m, were correlated to the geomagnetic polarity time scale referring to biostratigraphic datums. Quality and resolution of the magnetostratigraphy was partly limited by the weak and relatively soft magnetic character of almost all intervals, and core disturbance by gas expansion at some Oman Margin sites. Clear polarity records of the Brunhes and Matuyama chrons (C1 to C2r) were observed at Sites 724 and 727 on the Oman continental margin. Extended reversal records of the Pliocene were found at Site 722 on the Owen Ridge and Site 728 on the Oman Margin, and correlated to the Gauss to Gilbert chrons (C2A to C3). |
| title | Magnetostratigraphy of ODP Leg 117 sites |
| topic | 117-721A; 117-721B; 117-722A; 117-722B; 117-724B; 117-724C; 117-727A; 117-728A; 117-731A; Arabian Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg117; Ocean Drilling Program; ODP |
| url | https://doi.org/10.1594/PANGAEA.756767 |