Early Cretaceous dinoflagellate cycsts from ODP Hole 123-765C
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| Auteurs principaux: | , |
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| Format: | Dataset Open Access |
| Langue: | en |
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PANGAEA
1992
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| _version_ | 1867169500019818496 |
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| author | Helby, R McMinn, Andrew |
| author_facet | Helby, R McMinn, Andrew |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Results of a preliminary study of Early Cretaceous dinocyst assemblages from Site 765 on the Argo Abyssal Plain, off northwestern Australia, are presented. The palynological sequence is interpreted in terms of Australian zones and is, in descending order, the late Aptian Diconodinium davidii Zone (Cores 123-765C-33R to -39R), the middle to early Aptian Odontochitina operculata Zone (Cores 123-765C-40R to -49R), the Barremian Muderongia australis Zone (Cores 123-765C-50R to -54R), and the Berriasian lower Batioladinium reticulatum Zone (Core 123-765C-59R). The dating of the sequence as late Aptian to Berriasian on the basis of dinocysts is supported, in part, by data concerning associated foraminiferal, radiolarian, and calcareous nannofossil suites. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_729401 |
| institution | PANGAEA |
| language | en |
| publishDate | 1992 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Early Cretaceous dinoflagellate cycsts from ODP Hole 123-765C Helby, R McMinn, Andrew 123-765C; DRILL; Drilling/drill rig; Joides Resolution; Leg123; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean Results of a preliminary study of Early Cretaceous dinocyst assemblages from Site 765 on the Argo Abyssal Plain, off northwestern Australia, are presented. The palynological sequence is interpreted in terms of Australian zones and is, in descending order, the late Aptian Diconodinium davidii Zone (Cores 123-765C-33R to -39R), the middle to early Aptian Odontochitina operculata Zone (Cores 123-765C-40R to -49R), the Barremian Muderongia australis Zone (Cores 123-765C-50R to -54R), and the Berriasian lower Batioladinium reticulatum Zone (Core 123-765C-59R). The dating of the sequence as late Aptian to Berriasian on the basis of dinocysts is supported, in part, by data concerning associated foraminiferal, radiolarian, and calcareous nannofossil suites. |
| title | Early Cretaceous dinoflagellate cycsts from ODP Hole 123-765C |
| topic | 123-765C; DRILL; Drilling/drill rig; Joides Resolution; Leg123; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean |
| url | https://doi.org/10.1594/PANGAEA.729401 |