Refining Global Chronostratigraphy of the Early Aptian and OAE1a through Astrochronologic Reconstruction with New High-Precision Radioisotopic Age Data Serving as Anchor Tie Points

Savatic, Katarina

Refining Global Chronostratigraphy of the Early Aptian and OAE1a through Astrochronologic Reconstruction with New High-Precision Radioisotopic Age Data Serving as Anchor Tie Points

Katarina Savatic¹, Bradley B Sageman¹, Brad S Singer², Youjuan Li², Reishi Takashima³, Mark David Schmitz⁴, David S Selby⁵ and R Mark Leckie⁶, (1)Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States, (2)University of Wisconsin Madison, Madison, WI, United States, (3)Tohoku University, Sendai, Japan, (4)Dept Geoscience, Boise, ID, United States, (5)University of Durham, Department of Earth Sciences, Durham, United Kingdom, (6)Univ Massachusetts, Amherst, MA, United States