The State of the Oligocene Icehouse World: Sedimentology, Provenance, and Stable Isotopes of Marine Sediments from the Antarctic Continental Margin

• Main Author: Hauptvogel, Daniel William
• Format: Doctoral or Postdoctoral Thesis
• Language: English
• Published: CUNY Academic Works 2015
• Subjects: Antarctica; ice-rafted debris; Oligocene; West Antarctica; Wilkes Land; Geochemistry; Geology; Antarctic; Maud Rise; Ross Sea; The Antarctic; Wilkes Subglacial Basin; Antarc*; Ice Sheet
• Online Access: https://academicworks.cuny.edu/gc_etds/966; https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=1980&context=gc_etds

The Oligocene Epoch (34-23 Ma) was a dynamic time in Antarctica, with previous ice volume estimates suggesting fluctuations from below 50 % up to 140 % of modern all while atmospheric CO2 decreased from above 1,000 ppm in the Early Oligocene to near modern levels by the Late Oligocene. Most of what...