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Geochemical diversity in first rocks examined by the Curiosity Rover in Gale Crater: Evidence for and significance of an alkali and volatile-rich igneous source

Schmidt, M E; Campbell, J.L.; Gellert, R; Perrett, Glynis; Treiman, A H; Blaney, D.L.; Ollila, Anne M.; Calef, F.J; Edgar, L.; Elliott, B.E.; Grotzinger, J; King, Penelope


The first four rocks examined by the Mars Science Laboratory Alpha Particle X-ray Spectrometer indicate that Curiosity landed in a lithologically diverse region of Mars. These rocks, collectively dubbed the Bradbury assemblage, were studied along an eastward traverse (sols 46-102). Compositions range from Na- and Al-rich mugearite Jake-Matijevic to Fe-, Mg-, and Zn-rich alkali-rich basalt/hawaiite Bathurst-Inlet and span nearly the entire range in FeO* and MnO of the data sets from previous...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Journal of Geophysical Research: Planets
DOI: 10.1002/2013JE004481


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