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Festoon Flows

Target Name:  Venus
Spacecraft:  Magellan
Produced by:  Calvin J. Hamilton
Copyright: © Calvin J. Hamilton
(Publisher Permission Request)

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A volcano on the plains between Artemis Chasma and Imdr Regio displays a sheet of thick radar-bright flows and broad flow lobes. This type of flow has been name "festoon" and only three have been found on Venus [Head et al., 1992]. The lobes and flows show prominent transverse ridges that have an average spacing of about 750 meters (2,460 feet). The flow features are associated with a complex domical structure about 100 kilometers (62 miles) across and 1 kilometer (.6 miles) in relief. They are surrounded at a lower elevation by plains surfaces that expose radar-bright volcanic deposits [Moore et al., 1992]. These materials extend some 360 to 400 kilometers (220 to 250 miles) from the volcano. They appear to overlie the radar-dark, lowland plains that dominate this region of the surface.

See also the Festoon Flow Diagram.

This image is Copyright © by Calvin J. Hamilton. Any commercial/for-profit use of this image needs to be addressed to Calvin J. Hamilton.

Copyright © 1995-2016 by Calvin J. Hamilton. All rights reserved.