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New ⁴⁰Ar/³⁹Ar age progression for the Louisville hot spot trail and implications for inter–hot spot motion

Creator:

Koppers, Anthony A. P., Gowen, Molly D., Colwell, Lauren E., Gee, Jeffrey S., Lonsdale, Peter F., Mahoney, John J., and Duncan, Robert A.

Abstract:

In this study we present 42 new ⁴⁰Ar/³⁹Ar incremental heating age determinations updated age progression for the Louisville seamount trail. Louisville is the South Hawaiian‐Emperor seamount trail, both trails representing intraplate volcanism (~80 Ma to present) and being examples of primary hot spot lineaments. Our age‐progressive trend from 71 to...

Resource Type:

Article
KoppersAnthonyCEOASConstraintsPastPlate.pdf

Creator:

O'Connor, John M., Steinberger, Bernhard, Regelous, Marcel, Koppers, Anthony A. P., Wijbrans, Jan R., Haase, Karsten M., Stoffers, Peter, Jokat, Wilfried, and Garbe-Schönberg, Dieter

Abstract:

Estimates of the relative motion between the Hawaiian and Louisville hot spots have consequences for understanding the role and character of deep Pacific-mantle return flow. The relative motion between these primary hot spots can be inferred by comparing the age records for their seamount trails. We report ⁴⁰Ar/³⁹Ar ages for...

Full Text:

and 50 million years ago, suggesting that the Louis- ville and Hawaiian hot spots are moving independ