Mastcam-Z is a multispectral, stereoscopic imaging investigation on the Mars 2020 mission's
Perseverance rover. Mastcam-Z consists of a pair of focusable, 4: 1 zoomable cameras that …

The past fifteen years of orbital infrared spectroscopy and in situ exploration have led to a
new understanding of the composition and history of Mars. Globally, Mars has a basaltic …

Collocated crystal sizes and mineral identities are critical for interpreting textural
relationships in rocks and testing geological hypotheses, but it has been previously …

Abstract The Mars rover Spirit encountered outcrops and regolith composed of opaline silica
(amorphous SiO2· n H2O) in an ancient volcanic hydrothermal setting in Gusev crater. An …

Martian aqueous mineral deposits have been examined and characterized using data
acquired during Mars Reconnaissance Orbiter's (MRO) primary science phase, including …

Decades of speculation about a warmer, wetter Mars climate in the planet's first billion years
postulate a denser CO2-rich atmosphere than at present. Such an atmosphere should have …

The presence of outcrops and soil (regolith) rich in opaline silica (∼ 65–92 wt% SiO2) in
association with volcanic materials adjacent to the “Home Plate” feature in Gusev crater is …

This paper summarizes Spirit Rover operations in the Columbia Hills, Gusev crater, from sol
1410 (start of the third winter campaign) to sol 2169 (when extrication attempts from Troy …

The origin and age of opaline silica deposits discovered by the Spirit rover adjacent to the
Home Plate feature in the Columbia Hills of Gusev crater remains debated, in part because …

The part of the Compact Reconnaissance Imaging Spectrometer (CRISM) for Mars
investigation conducted during the Mars Reconnaissance Orbiter's (MRO's) primary science …