Upper Cretaceous calcareous nannofossils from Broken Ridge and Ninetyeast Ridge

• Main Author: Resiwati, Purtyasti
• Format: Dataset
• Language: English
• Published: PANGAEA 1991
• Subjects: 121-752B; 121-754A; 121-754B; 121-755A; 121-758A; DRILL; Drilling/drill rig; Indian Ocean; Joides Resolution; Leg121; Ocean Drilling Program; ODP; South Indian Ridge; South Indian Ocean; Southern Ocean; Weddell Sea; Austral; Kerguelen; Indian; Weddell; Falkland Plateau; Broken Ridge
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.728987; https://doi.org/10.1594/PANGAEA.728987

Drilling at Broken Ridge and Ninetyeast Ridge during Ocean Drilling Program Leg 121 yielded thick sections of Upper Cretaceous nannofossil-bearing sediments including calcareous chalk, limestone with chert, and volcanic ash. The upper Campanian to Maestrichtian assemblages from Broken Ridge are aust...