Matthew Richar Izawa

  • 883 Citations
  • 16 h-Index
20012019
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Research Output 2001 2019

  • 883 Citations
  • 16 h-Index
  • 63 Article
  • 1 Comment/debate
  • 1 Letter
  • 1 Review article
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Article
2019
11 Citations (Scopus)

Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface

The OSIRIS-REx Team, Jan 1 2019, In : Nature Geoscience.

Research output: Contribution to journalArticle

regolith
asteroid
crater
mass movement
infill
11 Citations (Scopus)

Evidence for widespread hydrated minerals on asteroid (101955) Bennu

The OSIRIS-REx Team, Apr 1 2019, In : Nature Astronomy. 3, 4, p. 332-340 9 p.

Research output: Contribution to journalArticle

asteroids
minerals
organic chemistry
carbonaceous chondrites
regolith

Organic matter preservation and incipient mineralization of microtubules in 120 Ma basaltic glass

Richar Izawa, M., Dynes, J. J., Banerjee, N. R., Flemming, R. L., MacLean, L. C. W., Hetherington, C. J., Matveev, S. & Southam, G., Jun 18 2019, In : Frontiers in Earth Science. 7, 149.

Research output: Contribution to journalArticle

Open Access
glass
mineralization
organic matter
protein
trace fossil
10 Citations (Scopus)

Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis

The OSIRIS-REx Team, Apr 1 2019, In : Nature Astronomy. 3, 4, p. 341-351 11 p.

Research output: Contribution to journalArticle

regolith
piles
asteroids
resources
thermal analysis
8 Citations (Scopus)

Shape of (101955) Bennu indicative of a rubble pile with internal stiffness

The OSIRIS-REx Team, Apr 1 2019, In : Nature Geoscience. 12, 4, p. 247-252 6 p.

Research output: Contribution to journalArticle

stiffness
pile
mass wasting
asteroid
resource
2 Citations (Scopus)

Spectral reflectance properties of magnetites: Implications for remote sensing

Richar Izawa, M., Cloutis, E. A., Rhind, T., Mertzman, S. A., Applin, D. M., Stromberg, J. M. & Sherman, D. M., Feb 1 2019, In : Icarus. 319, p. 525-539 15 p.

Research output: Contribution to journalArticle

spectral reflectance
magnetite
remote sensing
reflectance
scattering
12 Citations (Scopus)

The dynamic geophysical environment of (101955) Bennu based on OSIRIS-REx measurements

The OSIRIS-REx Team, Apr 1 2019, In : Nature Astronomy. 3, 4, p. 352-361 10 p.

Research output: Contribution to journalArticle

regolith
asteroids
resources
lobes
metal spinning
6 Citations (Scopus)

The operational environment and rotational acceleration of asteroid (101955) Bennu from OSIRIS-REx observations

The OSIRIS-REx Team, Dec 1 2019, In : Nature communications. 10, 1, 1291.

Research output: Contribution to journalArticle

Open Access
Minor Planets
Spacecraft
Asteroids
regolith
asteroids
2018

A mineralogical archive of the biogeochemical sulfur cycle preserved in the subsurface of the Río Tinto system

Fernández-Remolar, D. C., Banerjee, N., Gómez-Ortiz, D., Richar Izawa, M. & Amils, R., Mar 26 2018, In : American Mineralogist. 103, 3, p. 394-411 18 p.

Research output: Contribution to journalArticle

sulfur cycle
Sulfur
Minerals
sulfur
minerals
3 Citations (Scopus)

Ceres' spectral link to carbonaceous chondrites-Analysis of the dark background materials

Schäfer, M., Schäfer, T., Richar Izawa, M., Cloutis, E. A., Schröder, S. E., Roatsch, T., Preusker, F., Stephan, K., Matz, K. D., Raymond, C. A. & Russell, C. T., Jan 1 2018, (Accepted/In press) In : Meteoritics and Planetary Science.

Research output: Contribution to journalArticle

carbonaceous chondrites
carbonaceous chondrite
framing cameras
meteorites
slopes

Characterization of Microbial Communities Hosted in Quartzofeldspathic and Serpentinite Lithologies in Jeffrey Mine, Canada

Ronholm, J., Goordial, J., Sapers, H. M., Richar Izawa, M., Applin, D. M., Pontefract, A., Omelon, C. R., Lamarche-Gagnon, G., Cloutis, E. A. & Whyte, L. G., Aug 1 2018, In : Astrobiology. 18, 8, p. 1008-1022 15 p.

Research output: Contribution to journalArticle

Mars
serpentinite
lithology
Canada
Minerals
2 Citations (Scopus)

Nitrogen Concentrations and Isotopic Compositions of Seafloor-Altered Terrestrial Basaltic Glass: Implications for Astrobiology

Edward Bebout, G., Banerjee, N. R., Richar Izawa, M., Kobayashi, K., Lazzeri, K., Ranieri, L. A. & Nakamura, E., Mar 1 2018, In : Astrobiology. 18, 3, p. 330-342 13 p.

Research output: Contribution to journalArticle

Exobiology
exobiology
Glass
glass
isotopic composition
3 Citations (Scopus)

Spectral properties and geology of bright and dark material on dwarf planet Ceres

Thangjam, G., Nathues, A., Platz, T., Hoffmann, M., Cloutis, E. A., Mengel, K., Richar Izawa, M. & Applin, D. M., Sep 1 2018, In : Meteoritics and Planetary Science. 53, 9, p. 1961-1982 22 p.

Research output: Contribution to journalArticle

dwarf planets
geology
planet
reflectance
spatial distribution
2 Citations (Scopus)

Spectral reflectance (0.35–2.5 µm) properties of garnets: Implications for remote sensing detection and characterization

Richar Izawa, M., Cloutis, E. A., Rhind, T., Mertzman, S. A., Poitras, J., Applin, D. M. & Mann, P., Jan 15 2018, In : Icarus. 300, p. 392-410 19 p.

Research output: Contribution to journalArticle

spectral reflectance
garnets
remote sensing
garnet
spessartine
6 Citations (Scopus)

Spectral reflectance “deconstruction” of the Murchison CM2 carbonaceous chondrite and implications for spectroscopic investigations of dark asteroids

Cloutis, E. A., Pietrasz, V. B., Kiddell, C., Richar Izawa, M., Vernazza, P., Burbine, T. H., DeMeo, F., Tait, K. T., Bell, J. F., Mann, P., Applin, D. M. & Reddy, V., May 1 2018, In : Icarus. 305, p. 203-224 22 p.

Research output: Contribution to journalArticle

carbonaceous chondrites
spectral reflectance
carbonaceous chondrite
asteroids
asteroid
4 Citations (Scopus)

Ultraviolet spectral reflectance of carbonaceous materials

Applin, D. M., Richar Izawa, M., Cloutis, E. A., Gillis-Davis, J. J., Pitman, K. M., Roush, T. L., Hendrix, A. R. & Lucey, P. G., Jun 1 2018, In : Icarus. 307, p. 40-82 43 p.

Research output: Contribution to journalArticle

carbonaceous materials
spectral reflectance
reflectance
wavelength
planetary surfaces
2017
10 Citations (Scopus)

Biogeochemical cycling of silver in acidic, weathering environments

Shuster, J., Reith, F., Richar Izawa, M., Flemming, R. L., Banerjee, N. R. & Southam, G., Nov 1 2017, In : Minerals. 7, 11, 218.

Research output: Contribution to journalArticle

Weathering
silver
regolith
gossan
Silver
1 Citation (Scopus)

Chemical alteration and preservation of sedimentary/organic nitrogen isotope signatures in a 2.7 Ga seafloor volcanic sequence

Anderson, L. D., Edward Bebout, G., Richar Izawa, M., Bridge, N. J. & Banerjee, N. R., Nov 20 2017, (Accepted/In press) In : International Journal of Astrobiology. p. 1-16 16 p.

Research output: Contribution to journalArticle

nitrogen isotopes
chemical alteration
nitrogen isotope
organic nitrogen
volcanology
2016
6 Citations (Scopus)

Effects of viewing geometry, aggregation state, and particle size on reflectance spectra of the Murchison CM2 chondrite deconvolved to Dawn FC band passes

Richar Izawa, M., Schäfer, T., Pietrasz, V. B., Cloutis, E. A., Mann, P., Nathues, A., Mengel, K., Schäfer, M., Thangjam, G., Hoffmann, M., Tait, K. T. & Applin, D. M., Mar 1 2016, In : Icarus. 266, p. 235-248 14 p.

Research output: Contribution to journalArticle

framing cameras
chondrites
chondrite
reflectance
phase shift
5 Citations (Scopus)

Oxalate formation under the hyperarid conditions of the Atacama desert as a mineral marker to provide clues to the source of organic carbon on Mars

Cheng, Z. Y., Fernández-Remolar, D. C., Richar Izawa, M., Applin, D. M., Chong Díaz, M., Fernandez-Sampedro, M., García-Villadangos, M., Huang, T., Xiao, L. & Parro, V., Jun 1 2016, In : Journal of Geophysical Research: Biogeosciences. 121, 6, p. 1593-1604 12 p.

Research output: Contribution to journalArticle

Oxalates
deserts
oxalates
oxalate
Organic carbon
5 Citations (Scopus)

Reflectance spectroscopy of oxalate minerals and relevance to Solar System carbon inventories

Applin, D. M., Richar Izawa, M. & Cloutis, E. A., Nov 1 2016, In : Icarus. 278, p. 7-30 24 p.

Research output: Contribution to journalArticle

oxalates
oxalate
solar system
reflectance
spectroscopy
3 Citations (Scopus)

Spectral parameters for Dawn FC color data: Carbonaceous chondrites and aqueous alteration products as potential cerean analog materials

Schäfer, T., Nathues, A., Mengel, K., Richar Izawa, M., Cloutis, E. A., Schäfer, M. & Hoffmann, M., Feb 1 2016, In : Icarus. 265, p. 149-160 12 p.

Research output: Contribution to journalArticle

framing cameras
carbonaceous chondrites
carbonaceous chondrite
analogs
color
30 Citations (Scopus)

SURFACE ALBEDO and SPECTRAL VARIABILITY of CERES

Li, J. Y., Reddy, V., Nathues, A., Corre, L. L., Richar Izawa, M., Cloutis, E. A., Sykes, M. V., Carsenty, U., Castillo-Rogez, J. C., Hoffmann, M., Jaumann, R., Krohn, K., Mottola, S., Prettyman, T. H., Schaefer, M., Schenk, P., Schröder, S. E., Williams, D. A., Smith, D. E., Zuber, M. T. & 4 others, Konopliv, A. S., Park, R. S., Raymond, C. A. & Russell, C. T., Feb 1 2016, In : Astrophysical Journal Letters. 817, 2, L22.

Research output: Contribution to journalArticle

CERES (experiment)
albedo
timescale
craters
crater
2015
32 Citations (Scopus)

Evidence for methane in Martian meteorites

Blamey, N. J. F., Parnell, J., McMahon, S., Mark, D. F., Tomkinson, T., Lee, M., Shivak, J., Richar Izawa, M., Banerjee, N. R. & Flemming, R. L., Jun 16 2015, In : Nature Communications. 6, 7399.

Research output: Contribution to journalArticle

Meteoroids
SNC meteorites
Meteorites
Methane
Mars
19 Citations (Scopus)

Exploring exogenic sources for the olivine on Asteroid (4) Vesta

Le Corre, L., Reddy, V., Sanchez, J. A., Dunn, T., Cloutis, E. A., Richar Izawa, M., Mann, P. & Nathues, A., Sep 5 2015, In : Icarus. 258, p. 483-499 17 p.

Research output: Contribution to journalArticle

asteroids
olivine
asteroid
meteorites
meteorite
1 Citation (Scopus)

Formation of iron-rich shelled structures by microbial communities

Fernández-Remolar, D. C., Santamaría, J., Amils, R., Parro, V., Gõmez-Ortíz, D., Richar Izawa, M., Banerjee, N. R., Pérez Rodríguez, R., Rodríguez, N. & Lõpez-Martínez, N., Jan 28 2015, In : Journal of Geophysical Research: Biogeosciences. 120, 1, p. 147-168 22 p.

Research output: Contribution to journalArticle

iron oxides
microbial communities
microbial community
Iron
shell
11 Citations (Scopus)

Link between the potentially hazardous Asteroid (86039) 1999 NC43 and the Chelyabinsk meteoroid tenuous

Reddy, V., Vokrouhlický, D., Bottke, W. F., Pravec, P., Sanchez, J. A., Gary, B. L., Klima, R., Cloutis, E. A., Galád, A., Guan, T. T., Hornoch, K., Richar Izawa, M., Kušnirák, P., Le Corre, L., Mann, P., Moskovitz, N., Skiff, B. & Vraštil, J., May 5 2015, In : Icarus. 252, p. 129-143 15 p.

Research output: Contribution to journalArticle

chondrites
meteoroids
asteroids
chondrite
asteroid
16 Citations (Scopus)

Oxalate minerals on Mars?

Applin, D. M., Richar Izawa, M., Cloutis, E. A., Goltz, D. & Johnson, J. R., Jun 5 2015, In : Earth and Planetary Science Letters. 420, p. 127-139 13 p.

Research output: Contribution to journalArticle

Oxalates
oxalates
oxalate
mars
Minerals
1 Citation (Scopus)

Spectral calibration for deriving surface mineralogy of Asteroid (25143) Itokawa from Hayabusa Near-Infrared Spectrometer (NIRS) data

Bhatt, M., Reddy, V., Le Corre, L., Sanchez, J. A., Dunn, T., Richar Izawa, M., Li, J. Y., Becker, K. J. & Weller, L., Dec 1 2015, In : Icarus. 262, p. 124-130 7 p.

Research output: Contribution to journalArticle

infrared spectrometers
mineralogy
asteroids
asteroid
near infrared
80 Citations (Scopus)

Sublimation in bright spots on (1) Ceres

Nathues, A., Hoffmann, M., Schaefer, M., Le Corre, L., Reddy, V., Platz, T., Cloutis, E. A., Christensen, U., Kneissl, T., Li, J. Y., Mengel, K., Schmedemann, N., Schaefer, T., Russell, C. T., Applin, D. M., Buczkowski, D. L., Richar Izawa, M., Keller, H. U., O'Brien, D. P., Pieters, C. M. & 8 others, Raymond, C. A., Ripken, J., Schenk, P. M., Schmidt, B. E., Sierks, H., Sykes, M. V., Thangjam, G. S. & Vincent, J. B., Dec 9 2015, In : Nature. 528, 7581, p. 237-240 4 p.

Research output: Contribution to journalArticle

Sublimation
Ice
Solar System
Minor Planets
Water
5 Citations (Scopus)

Variability, absorption features, and parent body searches in "spectrally featureless" meteorite reflectance spectra: Case study - Tagish Lake

Richar Izawa, M., Craig, M. A., Applin, D. M., Sanchez, J. A., Reddy, V., Le Corre, L., Mann, P. & Cloutis, E. A., Jul 1 2015, In : Icarus. 254, p. 324-332 9 p.

Research output: Contribution to journalArticle

parent body
meteorites
lakes
meteorite
reflectance
2014
17 Citations (Scopus)

A mineralogical characterization of biogenic calcium carbonates precipitated by heterotrophic bacteria isolated from cryophilic polar regions

Ronholm, J., Schumann, D., Sapers, H. M., Richar Izawa, M., Applin, D., Berg, B., Mann, P., Vali, H., Flemming, R. L., Cloutis, E. A. & Whyte, L. G., Nov 1 2014, In : Geobiology. 12, 6, p. 542-556 15 p.

Research output: Contribution to journalArticle

Polar Regions
calcium carbonate
polar region
vaterite
transmission electron microscopy
33 Citations (Scopus)

Chelyabinsk meteorite explains unusual spectral properties of Baptistina Asteroid Family

Reddy, V., Sanchez, J. A., Bottke, W. F., Cloutis, E. A., Richar Izawa, M., O'Brien, D. P., Mann, P., Cuddy, M., Le Corre, L., Gaffey, M. J. & Fujihara, G., Jul 15 2014, In : Icarus. 237, p. 116-130 15 p.

Research output: Contribution to journalArticle

impact melts
meteorites
asteroids
asteroid
chondrites
3 Citations (Scopus)

Laboratory spectroscopic detection of hydration in pristine lunar regolith

Richar Izawa, M., Cloutis, E. A., Applin, D. M., Craig, M. A., Mann, P. & Cuddy, M., Mar 15 2014, In : Earth and Planetary Science Letters. 390, p. 157-164 8 p.

Research output: Contribution to journalArticle

lunar surface
regolith
hydration
Hydration
Spacecraft instruments
24 Citations (Scopus)

Reflectance spectroscopy (350-2500 nm) of solid-state polycyclic aromatic hydrocarbons (PAHs)

Richar Izawa, M., Applin, D. M., Norman, L. & Cloutis, E. A., Jul 15 2014, In : Icarus. 237, p. 159-181 23 p.

Research output: Contribution to journalArticle

polycyclic aromatic hydrocarbons
reflectance
PAH
spectroscopy
solid state
3 Citations (Scopus)

Revisiting the Rochechouart impact structure, France

Sapers, H. M., Osinski, G. R., Banerjee, N. R., Ferrière, L., Lambert, P. & Richar Izawa, M., Dec 1 2014, In : Meteoritics and Planetary Science. 49, 12, p. 2152-2168 17 p.

Research output: Contribution to journalArticle

impact structure
France
impactite
clast
crater
6 Citations (Scopus)

Spectral features of biogenic calcium carbonates and implications for astrobiology

Berg, B. L., Ronholm, J., Applin, D. M., Mann, P., Richar Izawa, M., Cloutis, E. A. & Whyte, L. G., Oct 29 2014, In : International Journal of Astrobiology. 13, 4, p. 353-365 13 p.

Research output: Contribution to journalArticle

exobiology
calcium carbonates
calcium carbonate
carbonates
Raman spectroscopy
8 Citations (Scopus)

The Canadian space agency planetary analogue materials suite

Cloutis, E. A., Mann, P., Richar Izawa, M., Applin, D. M., Samson, C., Kruzelecky, R., Glotch, T. D., Mertzman, S. A., Mertzman, K. R., Haltigin, T. W. & Fry, C., Sep 8 2014, (Accepted/In press) In : Planetary and Space Science.

Research output: Contribution to journalArticle

rocks
analogs
rock
X-ray fluorescence
thin section
2013
9 Citations (Scopus)

Characterization of the acidic cold seep emplaced jarositic Golden Deposit, NWT, Canada, as an analogue for jarosite deposition on Mars

Battler, M. M., Osinski, G. R., Lim, D. S. S., Davila, A. F., Michel, F. A., Craig, M. A., Richar Izawa, M., Leoni, L., Slater, G. F., Fairén, A. G., Preston, L. J. & Banerjee, N. R., Jun 2013, In : Icarus. 224, 2, p. 382-398 17 p.

Research output: Contribution to journalArticle

cold seep
jarosite
Canada
mars
Mars
88 Citations (Scopus)

Impact-generated hydrothermal systems on Earth and Mars

Osinski, G. R., Tornabene, L. L., Banerjee, N. R., Cockell, C. S., Flemming, R., Richar Izawa, M., McCutcheon, J., Parnell, J., Preston, L. J., Pickersgill, A. E., Pontefract, A., Sapers, H. M. & Southam, G., Jun 2013, In : Icarus. 224, 2, p. 347-363 17 p.

Research output: Contribution to journalArticle

hydrothermal systems
hydrothermal system
mars
crater
Mars
12 Citations (Scopus)

Molecular preservation in halite- and perchlorate-rich hypersaline subsurface deposits in the Salar Grande basin (Atacama Desert, Chile): Implications for the search for molecular biomarkers on Mars

Fernández-Remolar, D. C., Chong-Díaz, G., Ruíz-Bermejo, M., Harir, M., Schmitt-Kopplin, P., Tziotis, D., Gõmez-Ortíz, D., García-Villadangos, M., Martín-Redondo, M. P., Gõmez, F., Rodríguez-Manfredi, J. A., Moreno-Paz, M., De Diego-Castilla, G., Echeverría, A., Urtuvia, V. N., Blanco, Y., Rivas, L., Richar Izawa, M., Banerjee, N. R., Demergasso, C. & 1 others, Parro, V., Jun 1 2013, In : Journal of Geophysical Research: Biogeosciences. 118, 2, p. 922-939 18 p.

Research output: Contribution to journalArticle

perchlorates
perchlorate
biomarkers
Chile
deserts

Reflectance spectroscopy (200-2500nm) of highly-reduced phases under oxygen- and water-free conditions

Richar Izawa, M., Applin, D. M., Mann, P., Craig, M. A., Cloutis, E. A., Helbert, J. & Maturilli, A., Nov 2013, In : Icarus. 226, 2, p. 1612-1617 6 p.

Research output: Contribution to journalArticle

reflectance
spectroscopy
wavelength
graphite
oxygen
29 Citations (Scopus)

Spectral reflectance properties of HED meteorites+CM2 carbonaceous chondrites: Comparison to HED grain size and compositional variations and implications for the nature of low-albedo features on Asteroid 4 Vesta

Cloutis, E. A., Richar Izawa, M., Pompilio, L., Reddy, V., Hiesinger, H., Nathues, A., Mann, P., Le Corre, L., Palomba, E. & Bell, J. F., Apr 2013, In : Icarus. 223, 2, p. 850-877 28 p.

Research output: Contribution to journalArticle

carbonaceous chondrites
spectral reflectance
carbonaceous chondrite
meteorites
asteroids
4 Citations (Scopus)

The 2.5-5.1μm reflectance spectra of HED meteorites and their constituent minerals: Implications for Dawn

Cloutis, E. A., Mann, P., Richar Izawa, M., Nathues, A., Reddy, V., Hiesinger, H., Le Corre, L. & Palomba, E., Jul 2013, In : Icarus. 225, 1, p. 581-601 21 p.

Research output: Contribution to journalArticle

diogenite
howardite
eucrite
meteorites
meteorite
2012
15 Citations (Scopus)

Carbonate precipitation under bulk acidic conditions as a potential biosignature for searching life on Mars

Fernández-Remolar, D. C., Preston, L. J., Sánchez-Román, M., Richar Izawa, M., Huang, L., Southam, G., Banerjee, N. R., Osinski, G. R., Flemming, R., Gómez-Ortíz, D., Prieto Ballesteros, O., Rodríguez, N., Amils, R. & Darby Dyar, M., Oct 15 2012, In : Earth and Planetary Science Letters. 351-352, p. 13-26 14 p.

Research output: Contribution to journalArticle

Carbonates
mars
Mars
carbonates
carbonate
3 Citations (Scopus)

Characterization of green clay concretions from the Tonggao formation, South China: Mineralogy, petrogenesis and paleoenvironmental implications

Richar Izawa, M., Flemming, R. L., Zhan, R. & Jin, J., Sep 2012, In : Canadian Journal of Earth Sciences. 49, 9, p. 1018-1026 9 p.

Research output: Contribution to journalArticle

concretion
petrogenesis
mineralogy
clay
mudstone
3 Citations (Scopus)

Evidence for life in the isotopic analysis of surface sulphates in the Haughton impact structure, and potential application on Mars

Parnell, J., Boyce, A. J., Osinski, G. R., Richar Izawa, M., Banerjee, N., Flemming, R. & Lee, P., Apr 2012, In : International Journal of Astrobiology. 11, 2, p. 93-101 9 p.

Research output: Contribution to journalArticle

impact structure
isotopic analysis
isotope ratios
gypsum
mars
2011
31 Citations (Scopus)

Asteroid (21) Lutetia as a remnant of Earth's precursor planetesimals

Vernazza, P., Lamy, P., Groussin, O., Hiroi, T., Jorda, L., King, P. L., Richar Izawa, M., Marchis, F., Birlan, M. & Brunetto, R., Dec 2011, In : Icarus. 216, 2, p. 650-659 10 p.

Research output: Contribution to journalArticle

terrestrial planets
protoplanets
planetesimal
asteroids
asteroid
8 Citations (Scopus)

Geochemical biosignatures preserved in microbially altered basaltic glass

Banerjee, N. R., Richar Izawa, M., Sapers, H. M. & Whitehouse, M. J., Jan 2011, In : Surface and Interface Analysis. 43, 1-2, p. 452-457 6 p.

Research output: Contribution to journalArticle

Secondary ion mass spectrometry
Glass
secondary ion mass spectrometry
glass
Bearings (structural)