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20.11.2012

Highlight of the Month November: Echus Chasma


Upliftet lava plates in Echus Chasma


The central feature of this scene (orbit 0887_0000) shows uplifted lava plates. Once a lava flow travels across the surface its upper portion solidifies and insulates the lava beneath. Often it is observed that the lava rate increases during an eruption which causes an uplift of the lava crust and its subsequent fracturing. In some cases, a temporary and local upwelling occurs forming these uplifts where fractured lava plates often remain in their elevated positions. Note similar fractures farther north. This and other lava textures are described in Chapman et al. (2010).

Chapman, M.G., Neukum, G., Dumke, A., Michael, G., van Gasselt, S., Kneissl, T., Zuschneid, W., Hauber, E., Mangold, N. (2010). Amazonian geologic history of the Echus Chasma and Kasei Valles system on Mars: new data and interpretations. Earth and Planetary Science Letters 294, 238-255.

Perspective view
Perspective view


The High Resolution Stereo Camera (HRSC) experiment on the ESA Mars Express Mission is led by the Principal Investigator (PI) Prof. Dr. Gerhard Neukum who also designed the camera technically. The science team of the experiment consists of 40 Co-Investigators from 33 institutions and 10 nations. The camera was developed at the German Aerospace Center (DLR) under the leadership of the PI G. Neukum and built in cooperation with industrial partners (EADS Astrium, Lewicki Microelectronic GmbH and Jena-Optronik GmbH). The experiment on Mars Express is operated by the DLR Institute of Planetary Research, through ESA/ESOC. The systematic processing of the HRSC image data is carried out at DLR. The scenes shown here were created by the PI-group at the Institute for Geological Sciences of the Freie Universitaet Berlin.




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© Copyright: ESA/DLR/FU Berlin (G. Neukum)

 

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20.11.2012

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