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19.12.2012

Highlight of the Month December: Pickering Crater


Lava flows invading Pickering crater


Pickering crater, a large 110-km diameter crater at the southern periphery of Daedalia Planum, has been filled with lava during at least two volcanic episodes. The younger lava flow observed in this HRSC-mosaic invaded Pickering crater through a breach in the northwestern crater rim. This lava flow was studied by Platz et al. (2010) to test a new method to determine the thickness of geological units. It was shown that the thickness and volume of this lava flow can be determined using concealed impact crater populations. The validity of the new method was examined against thickness and volume estimates utilising Digital Terrain Models and single MOLA orbital tracks . The method can also be applied to other types of deposits and even large-scale volcanic provinces.

Platz, T., Michael, G.G. and Neukum, G. (2010). Confident thickness estimates for planetary surface deposits from concealed crater populations. Earth and Planetary Science Letters 293, 388-395. (doi:10.1016/j.epsl.2010.03.012).

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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19.12.2012

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