CALE, Circum-Arctic Lithosphere Evolution

CALE is a multinational and multidisciplinary research program investigating the most important questions currently associated with understanding circum-Arctic lithosphere evolution. The project runs for 5 years (2011–2015).

Incorporating the most recent data sets available and integrating on-shore with off-shore geology, CALEwill test existing hypotheses, and confidently formulate new ones, related to understanding the evolution of Arctic lithosphere, such as:

•  Where are the plate boundaries associated with the Amerasia Basin?
•  How and when did the Canada Basin open?
•  What was the pre-drift setting of the Chukchi Borderland?
•  How and when did the major ridges in the Amerasia Basin form?
•  Where are the Early Tertiary plate boundaries in the Arctic?
•  Which tectonic processes formed the Laptev, East Siberian, and Chukchi sea shelves?
•  Where are the continuations of pre-Eocene orogens in the Arctic?
•  How do these crustal-scale discontinuities influence Arctic tectonic evolution?
•  What is the nature, age, internal structure and stratigraphy of the main sedimentary basins?
•  How has this tectonic evolution affected the sedimentation history of the Arctic basins?

Victoria Pease is the project leader; co-P.I.s include Randell StephensonWilfried Jokat and Bernard Coakley
Please contact us for more information.

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