Volcanic and structural history of the rocks exposed at Pickering Crater (Daedalia Planum, Mars)

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dc.contributor.author Caprarelli, Graziella en_US
dc.contributor.author Leitch, Evan en_US
dc.contributor.editor en_US
dc.date.accessioned 2010-05-28T09:42:41Z
dc.date.available 2010-05-28T09:42:41Z
dc.date.issued 2009 en_US
dc.identifier 2008004636 en_US
dc.identifier.citation Caprarelli Graziella and Leitch Evan 2009, 'Volcanic and structural history of the rocks exposed at Pickering Crater (Daedalia Planum, Mars)', Academic Press, vol. 202, no. 2, pp. 453-461. en_US
dc.identifier.issn 0019-1035 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/8353
dc.description.abstract In the western hemisphere of Mars Amazonian volcanism from Arsia Mons produced the smooth surfaces of Daedalia Planum and masks older rocks. Close to the southern termination of Daedalia Planum basement rocks are exposed in which are preserved craters that escaped or were only partially filled by this most recent volcanism. Pickering Crater is an approximately 130 km diameter crater. The youngest lavas flowed into this crater from Daedalia Planum by way of a NW rim breach, covering its western part. East of a well-defined flow front an older lava sequence with a distinctive platy surface and derived from a more proximal unestablished source to the northeast is exposed. Several units are identified within this sequence on the basis of surface texture, which is more subdued in progressively older rocks. Only local mapping of the flow front boundaries of these units is possible because of incomplete coverage by high resolution imagery. During emplacement of the older lavas a NE?SW striking en echelon graben system and parallel smaller troughs and dikes formed under inferred regional NW?SE extension. A much earlier strike-slip regime pre-dating the lavas exposed in the crater floor is postulated, based on the highly fretted nature of the rim of Pickering Crater and an elongated smaller crater to its northeast, approximately 40 km long in the NE?SW direction. The rims of these craters contrast with that of a smoother rimmed impact crater in the southeast that was excavated subsequent to strike-slip deformation but prior to the emplacement of platy surfaced lavas. en_US
dc.language English en_US
dc.publisher Academic Press en_US
dc.relation.isbasedon http://dx.doi.org/10.1016/j.icarus.2009.02.021 en_US
dc.title Volcanic and structural history of the rocks exposed at Pickering Crater (Daedalia Planum, Mars) en_US
dc.parent Icarus en_US
dc.journal.volume 202 en_US
dc.journal.number 2 en_US
dc.publocation California, USA en_US
dc.identifier.startpage 453 en_US
dc.identifier.endpage 461 en_US
dc.cauo.name SCI.Environmental Sciences en_US
dc.conference Verified OK en_US
dc.for 040302 en_US
dc.personcode 960836 en_US
dc.personcode 870262 en_US
dc.percentage 100 en_US
dc.classification.name Extraterrestrial Geology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Mars, surface, geological processes, volcanism en_US
dc.staffid en_US
dc.staffid 870262 en_US

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