Frank, Tracy D; Arthur, Michael A (1999): Stable isotope record of Maestrichtian foraminifera [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.837748, Supplement to: Frank, TD; Arthur, MA (1999): Tectonic forcings of Maastrichtian ocean-climate evolution. Paleoceanography, 14(2), 103-117, https://doi.org/10.1029/1998PA900017
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Abstract:
A global compilation of deep-sea isotopic records suggests that Maastrichtian ocean-climate evolution was technically driven. During the early Maastrichtian the Atlantic intermediate-deep ocean was isolated from the Pacific, Indian, and Southern Oceans; deep water formed in the high-latitude North Atlantic and North Pacific. At the early/late Maastrichtian boundary a major reorganization of oceanic circulation patterns occurred, resulting in the development of a thermohaline circulation system similar to that of the modern oceans. A combination of isotopic and plate kinematic data suggests that this event was triggered by the final breaching of tectonic sills in the South Atlantic and the initiation of north-south flow of intermediate and deep water in the Atlantic. The onset of Laramide tectonism during the mid Maastrichtian led to the concurrent draining of major epicontinental seaways. Together, these events caused cooling, increased latitudinal temperature gradients, increased ventilation of the deep ocean, and affected a range of marine biota.
Other version:
Frank, Tracy D; Arthur, Michael A (1999): NOAA/WDS Paleoclimatology - Maastrichtian Foraminiferal Stable Isotope Data- Rio Grande Rise. NOAA National Centers for Environmental Information, https://doi.org/10.25921/054X-X890
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 16.351300 * Median Longitude: -41.278700 * South-bound Latitude: -30.004200 * West-bound Longitude: -76.112300 * North-bound Latitude: 48.915800 * East-bound Longitude: -12.164000
Date/Time Start: 1974-11-23T00:00:00 * Date/Time End: 1981-06-10T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets
Download Data
Datasets listed in this publication series
- Frank, TD; Arthur, MA (1999): Stable isotope ratios of Maestrichtian foraminifera of DSDP Hole 39-357. https://doi.org/10.1594/PANGAEA.837745
- Frank, TD; Arthur, MA (1999): Stable isotope ratios of Maestrichtian foraminifera of DSDP Hole 44-390. https://doi.org/10.1594/PANGAEA.837746
- Frank, TD; Arthur, MA (1999): Stable isotope ratios of Maestrichtian foraminifera of DSDP Hole 80-548. https://doi.org/10.1594/PANGAEA.837747