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Evidence for Amazonian highly viscous lavas in the southern highlands on Mars

Broz, Petr and Hauber, Ernst and Platz, T. and Balme, M. (2015) Evidence for Amazonian highly viscous lavas in the southern highlands on Mars. Earth and Planetary Science Letters, 415, pp. 200-212. Elsevier. doi: 10.1016/j.epsl.2015.01.033. ISSN 0012-821X.

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Official URL: http://www.sciencedirect.com/science/article/pii/S0012821X15000618


We have identified small-scale volcanic edifices, two cones and three domes with associated flows, within Terra Sirenum, a region situated in the martian southern highlands. Based on thermal, morphological, and morphometrical properties, and the determination of absolute model ages, we conclude that these features were formed by volcanic activity of viscous lavas in the mid-Amazonian epoch, relatively recently in martian history. If our hypothesis is correct, this small volcanic field represents rare evidence of young volcanic activity in the martian highlands in which martian equivalents of terrestrial lava domes and coulées might be present. On Earth, such landforms are usually formed by highly viscous evolved lavas, i.e., andesitic to rhyolitic, for which observational evidence is sparse on Mars. Hence, this field might be one of only a few where martian evolved lavas might be investigated in detail.

Item URL in elib:https://elib.dlr.de/100454/
Document Type:Article
Title:Evidence for Amazonian highly viscous lavas in the southern highlands on Mars
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Broz, PetrInstitute of Geophysics, ASCR, Prague, Czech RepublicUNSPECIFIEDUNSPECIFIED
Platz, T.Freie Universität, Institut für Geologische Wissenschaften, Berlin, GermanyUNSPECIFIEDUNSPECIFIED
Balme, M.Open University, Milton Keynes, UKUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Earth and Planetary Science Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 200-212
Keywords:Mars, volcanism, evolution, lava
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Projekt MARS-EXPRESS / HRSC (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Institute of Planetary Research > Planetary Geology
Deposited By: Hauber, Ernst
Deposited On:03 Dec 2015 16:02
Last Modified:07 Aug 2017 10:20

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