Richard V. Morris

Best Publications

• Mars Global Surveyor Thermal Emission Spectrometer experiment: Investigation description and surface science results

  Philip Christensen;J. L. Bandfield;V. E. Hamilton;Steven Ruff

  1142
  Citations

• The Sample Analysis at Mars Investigation and Instrument Suite

  Paul R. Mahaffy;Christopher R. Webster;Michel Cabane;Pamela G. Conrad

  626
  Citations

• Spectral and other physicochemical properties of submicron powders of hematite (alpha-Fe2O3), maghemite (gamma-Fe2O3), magnetite (Fe3O4), goethite (alpha-FeOOH), and lepidocrocite (gamma-FeOOH).

  Richard V. Morris;Howard V. Lauer;Charles A. Lawson;Everett K. Gibson

  585
  Citations

• Detection of crystalline hematite mineralization on Mars by the Thermal Emission Spectrometer: Evidence for near‐surface water

  Philip Christensen;J. L. Bandfield;R. N. Clark;K. S. Edgett

  561
  Citations

• Mineralogic and compositional properties of Martian soil and dust: Results from Mars Pathfinder

  J. F. Bell;H. Y. McSween;J. A. Crisp;R. V. Morris

  383
  Citations

• Global mapping of Martian hematite mineral deposits: Remnants of water‐driven processes on early Mars

  Philip Christensen;R. V. Morris;M. D. Lane;J. L. Bandfield;J. L. Bandfield

  378
  Citations

• Evidence for pigmentary hematite on Mars based on optical, magnetic, and Mossbauer studies of superparamagnetic (nanocrystalline) hematite

  Richard V. Morris;David G. Agresti;Howard V. Lauer;Jeffery A. Newcomb

  305
  Citations

• Characterization and Calibration of the CheMin Mineralogical Instrument on Mars Science Laboratory

  David Blake;David Vaniman;Cheries Achilles;Robert Anderson

  301
  Citations

• Chemical, multispectral, and textural constraints on the composition and origin of rocks at the Mars Pathfinder landing site

  H. Y. McSween;S. L. Murchie;J. A. Crisp;N. T. Bridges

  268
  Citations

• Ground ice at the Phoenix Landing Site: Stability state and origin

  Michael T. Mellon;Raymond E. Arvidson;Hanna G. Sizemore;Mindi L. Searls

  248
  Citations

• Characteristics, distribution, origin, and significance of opaline silica observed by the Spirit rover in Gusev crater, Mars

  Steven W. Ruff;Jack D. Farmer;Wendy M. Calvin;Kenneth E. Herkenhoff

  236
  Citations

• Silicic volcanism on Mars evidenced by tridymite in high-SiO2 sedimentary rock at Gale crater

  Richard V. Morris;David T. Vaniman;David F. Blake;Ralf Gellert

  228
  Citations

• Mineralogy, provenance, and diagenesis of a potassic basaltic sandstone on Mars: CheMin X-ray diffraction of the Windjana sample (Kimberley area, Gale Crater)

  Allan H. Treiman;David L. Bish;David T. Vaniman;Steve J. Chipera

  219
  Citations

• Clay mineral diversity and abundance in sedimentary rocks of Gale crater, Mars

  Thomas F. Bristow;Elizabeth B. Rampe;Cherie N. Achilles;David F. Blake

  218
  Citations

• Recalibration of the Mars Science Laboratory ChemCam instrument with an expanded geochemical database

  Samuel M. Clegg;Roger C. Wiens;Ryan Anderson;Olivier Forni

  201
  Citations

• Mineralogy of a natural As-rich hydrous ferric oxide coprecipitate formed by mixing of hydrothermal fluid and seawater: Implications regarding surface complexation and color banding in ferrihydrite deposits

  Denis G. Rancourt;Danielle Fortin;Thomas Pichler;Pierre-Jean Thibault

  190
  Citations

• The origin and implications of clay minerals from Yellowknife Bay, Gale crater, Mars

  Thomas F. Bristow;David L. Bish;David T. Vaniman;Richard V. Morris

  189
  Citations

• Initial results from the Mini-TES experiment in Gusev Crater from the Spirit Rover

  Philip Christensen;Steven Ruff;R. L. Fergason;A. T. Knudson

  182
  Citations

• Geochemistry of Carbonates on Mars: Implications for Climate History and Nature of Aqueous Environments

  Paul B. Niles;David C. Catling;Gilles Berger;Eric Chassefière

  181
  Citations

• Mineralogical and chemical characterization of lunar highland soils: Insights into the space weathering of soils on airless bodies

  Lawrence A. Taylor;Carlé Pieters;Allan Patchen;Dong-Hwa S. Taylor

  180
  Citations

• Evidence for the origin of layered deposits in Candor Chasma, Mars, from mineral composition and hydrologic modeling

  Scott Murchie;Leah Roach;Frank Seelos;Ralph Milliken

  147
  Citations