Allison Keller

Allison Keller
University of California, Riverside | UCR · Department of Earth Sciences

Master of Science

About

17
Publications
2,598
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138
Citations
Citations since 2016
15 Research Items
138 Citations
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2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040

Publications

Publications (17)
Article
Full-text available
Rapid onset of subduction tectonics across the western Pacific convergent margins in the early Eocene was followed by a slower phase of margin growth of the proto Tonga-Kermadec subduction system north of Zealandia during a middle Eocene phase to tectonic adjustment. We present new age constraints from International Ocean Discovery Program Expediti...
Article
Full-text available
Data from International Ocean Discovery Program (IODP) Expedition 371 reveal vertical movements of 1–3 km in northern Zealandia during early Cenozoic subduction initiation in the western Pacific Ocean. Lord Howe Rise rose from deep (~1 km) water to sea level and subsided back, with peak uplift at 50 Ma in the north and between 41 and 32 Ma in the s...
Article
Full-text available
Chert, porcelainite, and other siliceous phases are exceptionally common in Atlantic sedimentary records of the early Eocene, but the origins of these facies remain enigmatic. The early Eocene was also the warmest interval of the entire Cenozoic Era, punctuated by numerous discrete warming events termed ‘hyperthermals,’ the largest of which is term...
Article
Full-text available
International Ocean Discovery Program (IODP) Expedition 371 drilled six sites in the Tasman Sea of the southwest Pacific between 27 July and 26 September 2017. The primary goal was to understand Tonga-Kermadec subduction initiation through recovery of Paleogene sediment records. Secondary goals involved understanding regional oceanography and clima...
Article
Full-text available
International Ocean Discovery Program (IODP) Expedition 371 drilled six sites in the Tasman Sea of the southwest Pacific between 27 July and 26 September 2017. The primary goal was to understand Tonga-Kermadec subduction initiation through recovery of Paleogene sediment records. Secondary goals involved understanding regional oceanography and clima...
Conference Paper
Full-text available
The IODP-ICDP Expedition 364 drilled the peak ring of Chicxulub crater at Site M0077, recovering a continuous sequence from 505.7 to 1334.7 mbsf (meters below sea floor). For this study, we analyzed ~112 m of sedimentary rocks from 505.7 to 617.67 mbsf, to reconstruct the Paleogene paleoenvironmental and paleoclimatic conditions. We report the prel...
Poster
Sequence stratigraphy provides the tools to predict the occurrences of marine taxa and test hypotheses on the diversity of faunal assemblages in response to relative sea-level change. We examined this relationship during the Stratigraphic Paleobiology field course sponsored by the Paleontological Society in July 2014. The Mississippian Lodgepole Fm...
Poster
Sequence stratigraphy provides the tools to model and predict the occurrences of marine taxa and test hypotheses on the diversity of faunal assemblages in response to relative sea-level change. We examined this relationship during the Stratigraphic Paleobiology field course sponsored by the Paleontological Society. The Mississippian Lodgepole Fm is...

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