The Athena Science Payload Mars Exploration Rover Mission

Home , Adirondack (Mars), Cape Verde (Mars), Rock Abrasion Tool

Remote Sensing Package Pancam Mast Assembly (PMA) Pancam Magnetic Mini-TES Properties Experiment In-Situ Package Instrument Deployment Device (IDD) Microscopic Imager Alpha Particle X-Ray Spectrometer Mössbauer Spectrometer Rock Abrasion Tool Spirit: Gusev Crater Mars Exploration Rover Mission The View From the Surface Mars Exploration Rover Mission Adirondack Mars Exploration Rover Mission Mössbauer Spectrum of Adirondack Mars Exploration Rover Mission Mini-TES Mineralogy Mars Exploration Rover Mission Normative Mineralogy from APXS Mars Exploration Rover Mission The Columbia Hills Mars Exploration Rover Mission Husband Hill Mars Exploration Rover Mission

Rock Types of Husband Hill Mars Exploration Rover Mission The West Spur Mars Exploration Rover Mission Tetl Mars Exploration Rover Mission Lutefisk Mars Exploration Rover Mission Clovis APXS Mars Exploration Rover Mission Clovis Mössbauer Mars Exploration Rover Mission Cumberland Ridge Mars Exploration Rover Mission Methuselah Mars Exploration Rover Mission Mars Exploration Rover Mission Mars Exploration Rover Mission “Silica Valley” Mars Exploration Rover Mission Mars Exploration Rover Mission Mini-TES Spectra Mars Exploration Rover Mission

Kay_Blumetta

Kenosha_Comets Raw APXS Data

Mars ExplorationA1194-Kenosha Rover Comets Mission 16 A847-Progress2

14 Si 12 91% SiO2! (also enriched in Ti) 10

Counts/Second 6

0 0 1 2 3 4 5 6 7 8 9 Energy (keV) Elizabeth Mahon Mars Exploration Rover Mission

Pancam MI APXS: ~72% SiO2 Mini-TES Spectra of Si-rich Rocks Mars Exploration Rover Mission

Sol 1168 Innocent Bystander Mars Exploration Rover Mission Hot Spring Siliceous Sinter Mars Exploration Rover Mission

Mars Exploration Rover Mission Meridiani Planum Mars Exploration Rover Mission Eagle and Endurance Craters Mars Exploration Rover Mission Outcrop Overview Mars Exploration Rover Mission

Sulfate-rich laminated sandstone with hematite-rich spherules Mineralogy Computed from Chemistry Mars Exploration Rover Mission

MgSO4 20%

Al-Silicate 34% MgSO4 CaSO4 CaSO4 H-Jarosite 7% MgCl2 Px Fe3D3 Hm H-Jarosite Other 10% SiO2 silica Al-Silicate

SiO2 silica MgCl2 8% 2% Other Hm Fe3D3 Px 1% 7% 4% 7% Mini-TES Mineralogy Mars Exploration Rover Mission

Red = Dust + Sulfate Unit Green = Hematite + Basalt + Dust Blue/Purple = Basalt (Plagioclase>Pyroxene>>Olivine) + Dust Mini-TES Mineralogy Mars Exploration Rover Mission Mössbauer Mineralogy Mars Exploration Rover Mission

2 Jarosite as an Indicator of Acidity Mars Exploration Rover Mission

1 - 2 ) 4

Fe(SO Jarosite

Melanterite Hematite

Eh (volts) 0 Siderite

Pyrite

-.5

0 C 02468101214 pH The Karatepe Stratigraphic Section Mars Exploration Rover Mission The Karatepe Stratigraphic Section Mars Exploration Rover Mission Textural Changes With Depth Mars Exploration Rover Mission

Ontario Diamond Jenness Chemical Changes With Depth Mars Exploration Rover Mission

Depth Measuring Spherule Mineralogy Mars Exploration Rover Mission Spherule Mineralogy Mars Exploration Rover Mission Spherule Distribution Mars Exploration Rover Mission

Volume distribution is more uniform than random, as expected for concretions Current Ripples in Water Mars Exploration Rover Mission

40 cm Flume experiments by Dave Rubin, USGS Current Ripples in Cross Section Mars Exploration Rover Mission

Simulations by Dave Rubin, USGS Current Ripples On Earth Mars Exploration Rover Mission

Courtesy of Dave Rubin, USGS Mars Exploration Rover Mission Mars Exploration Rover Mission Cornville Earth Mars Mars Exploration Rover Mission HiRISE Images Victoria Mars Exploration Rover Mission HiRISE Images Victoria Mars Exploration Rover Mission Mars Exploration Rover Mission

Cape Verde

Duck Bay Mars Exploration Rover Mission

Opportunity

Cape Verde

Duck Bay Mars Exploration Rover Mission

Opportunity

Cape Verde

Duck Bay Mars Exploration Rover Mission Cape Verde Mars Exploration Rover Mission Cape Verde Mars Exploration Rover Mission Mars Exploration Rover Mission Mars Exploration Rover Mission

• Mars Exploration Rover Mission

• Cape St. Mary Mars Exploration Rover Mission Mars Exploration Rover Mission Cape St. Mary Mars Exploration Rover Mission

~4m ~6m Cape St. Mary Mars Exploration Rover Mission Cape St. Mary Mars Exploration Rover Mission Cape St. Mary Meters-scale troughMars cross Exploration Rover Mission stratification indicating migration of large sinuous- crested eolian bedforms

Hunter, 1977 Cape St. Mary Meters-scale troughMars cross Exploration Rover Mission stratification indicating migration of large sinuous- crested eolian bedforms

Paleo wind direction is north to south or south to north Hunter, 1977 Cape St. Vincent Mars Exploration Rover Mission

~7m ~4m Cape St. Vincent Mars Exploration Rover Mission Cape St. Vincent ~7-meter thick Mars Exploration Rover Mission climbing eolian bedform Cape St. Vincent ~7-meter thick Mars Exploration Rover Mission climbing eolian bedform

Paleo wind direction is north to south Bright Band in the Stratigraphy Mars Exploration Rover Mission

Super-Resolution Images of the Bright Band Mars Exploration Rover Mission

The bright band is a secondary diagenetic feature, not a primary depositional feature. Cape St. Vincent Cape St. Vincent

Duck Bay Mars Exploration Rover Mission

1 m