Tag Archives: Olympica Fossae

THEMIS: Channels cutting across channels in Olympica Fossae

THEMIS Image of the Day, April 12, 2018. Olympica Fossae is a complex channel located on the volcanic plains between Alba Mons and Olympus Mons. The sinuosity of the large channel in the middle of the image indicates that this … Continue reading

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HiRISE: Intersecting channels near Olympica Fossae

This complicated area contains various types of channels, pits and fractures. We can determine the relative ages of the pits and channels based on which features cross-cut others. Older channels appear smooth-edged and shallow. Younger channels and pits are deeper … Continue reading

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THEMIS: Olympica Fossae’s tangled channels

THEMIS Image of the Day, July 15, 2016. Located on the extensive lava plains between Olympus Mons and Alba Mons, these complex intersecting valleys were created by lava flow. Volcanic flows occurred both along the surface and in buried lava … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, May 25, 2016. Today’s image shows part of Olympica Fossae. The large depression in the bottom half of the image is part of the fossae itself, and is probably a graben. Graben are formed when … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, March 29, 2016. This VIS image of Olympica Fossae shows both linear and sinuous channel forms. The linear depressions are most likely of tectonic origin (faulting); and the sinuous channels were probably formed by liquid … Continue reading

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THEMIS: More Olympica Fossae

THEMIS Image of the Day, February 22, 2016. Today’s VIS image is of a different part of Olympica Fossae from the previous image. In this region lava channels dominate. The complex interaction of volcanic and tectonic processes is illustrated by … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, February 19, 2016. Located south of Alba Mons, Olympica Fossae is a complex system of tectonic and volcanic features. The linear features in this VIS image are graben, but the curved feature may be a … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, December 25, 2015. This VIS image shows a portion of Olympica Fossae. In this image several lava channels are visible, and it appears that lava has flowed in the larger depressions. The streamlined feature in … Continue reading

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THEMIS: More Olympica Fossae

THEMIS Image of the Day, December 14, 2015. Today’s VIS image shows a different portion of Olympica Fossae from the previous image. The east/west alignment is a very uniform width, in this region the fracturing widens as the feature makes … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, December 11, 2015. Today’s VIS image shows a small portion of Olympica Fossae. Olympica Fossae is located on volcanic plains between Alba Mons and Olympus Mons. The linear margins and uniform width are controlled by … Continue reading

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