1. Deposition, exhumation, and paleoclimate of an ancient lake deposit, Gale crater, Mars.

    Science 350(6257):aac7575 (2015) PMID 26450214

    The landforms of northern Gale crater on Mars expose thick sequences of sedimentary rocks. Based on images obtained by the Curiosity rover, we interpret these outcrops as evidence for past fluvial, deltaic, and lacustrine environments. Degradation of the crater wall and rim probably supplied the...
  2. Elemental geochemistry of sedimentary rocks at Yellowknife Bay, Gale crater, Mars.

    Science 343(6169):1244734 (2014) PMID 24324274

    Sedimentary rocks examined by the Curiosity rover at Yellowknife Bay, Mars, were derived from sources that evolved from an approximately average martian crustal composition to one influenced by alkaline basalts. No evidence of chemical weathering is preserved, indicating arid, possibly cold, pal...
  3. A habitable fluvio-lacustrine environment at Yellowknife Bay, Gale crater, Mars.

    Science 343(6169):1242777 (2014) PMID 24324272

    The Curiosity rover discovered fine-grained sedimentary rocks, which are inferred to represent an ancient lake and preserve evidence of an environment that would have been suited to support a martian biosphere founded on chemolithoautotrophy. This aqueous environment was characterized by neutral...
  4. Soil diversity and hydration as observed by ChemCam at Gale crater, Mars.

    Science 341(6153):1238670 (2013) PMID 24072924

    The ChemCam instrument, which provides insight into martian soil chemistry at the submillimeter scale, identified two principal soil types along the Curiosity rover traverse: a fine-grained mafic type and a locally derived, coarse-grained felsic type. The mafic soil component is representative o...
  5. Martian fluvial conglomerates at Gale crater.

    Science 340(6136):1068 (2013) PMID 23723230

    Observations by the Mars Science Laboratory Mast Camera (Mastcam) in Gale crater reveal isolated outcrops of cemented pebbles (2 to 40 millimeters in diameter) and sand grains with textures typical of fluvial sedimentary conglomerates. Rounded pebbles in the conglomerates indicate substantial fl...
  6. [Case report of a rare cause of acute abdomen].

    RöFo - Fortschritte auf dem Gebiet der R 181(7):697 (2009) PMID 19401975

  7. Coupled ferric oxides and sulfates on the Martian surface.

    Science 317(5842):1206 (2007) PMID 17673623

    The Mars Exploration Rover (MER), Opportunity, showed that layered sulfate deposits in Meridiani Planum formed during a period of rising acidic ground water. Crystalline hematite spherules formed in the deposits as a consequence of aqueous alteration and were concentrated on the surface as a lag...
  8. Phyllosilicates on Mars and implications for early martian climate.

    Nature 438(7068):623 (2005) PMID 16319882

    The recent identification of large deposits of sulphates by remote sensing and in situ observations has been considered evidence of the past presence of liquid water on Mars. Here we report the unambiguous detection of diverse phyllosilicates, a family of aqueous alteration products, on the basi...
  9. Olivine and pyroxene diversity in the crust of Mars.

    Science 307(5715):1594 (2005) PMID 15718427

    Data from the Observatoire pour la Minéralogie, l'Eau, les Glaces, et l'Activité (OMEGA) on the Mars Express spacecraft identify the distinct mafic, rock-forming minerals olivine, low-calcium pyroxene (LCP), and high-calcium pyroxene (HCP) on the surface of Mars. Olivine- and HCP-rich regions ar...
  10. Spectral reflectance and morphologic correlations in eastern Terra Meridiani, Mars.

    Science 307(5715):1591 (2005) PMID 15718425

    The Mars Express Observatoire pour la Minéralogie, l'Eau, les Glaces, et l'Activité (OMEGA) hyperspectral image data covering eastern Terra Meridiani indicate the ubiquitous presence of molecular water in etched terrain materials that disconformably overlie heavily cratered terrains and underlie...
  11. Formation of recent martian debris flows by melting of near-surface ground ice at high obliquity.

    Science 295(5552):110 (2002) PMID 11729267

    The observation of small gullies associated with recent surface runoff on Mars has renewed the question of liquid water stability at the surface of Mars. The gullies could be formed by groundwater seepage from underground aquifers; however, observations of gullies originating from isolated peaks...