Space Research & Planetary Sciences Division Web Site

Planetary Imaging Group Web Site

PEER-REVIEWED PUBLICATIONS

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For an alternate chronology-based list (only for peer-reviewed), click here:

 

(As Lead-author)

 

[14] El-Maarry M.R. et al. (2017). Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past. Science 355, Issue 6332, 1392–139, DOI: 10.1126/science.aak9384.

[13'] El-Maarry M.R. and 51 authors (2017). [Corrigendum] Regional Surface Morphology of Comet 67P from Rosetta/OSIRIS Images: The Southern Hemisphere (Corrigendum). Astronomy & Astrophysicsv. 598, C2, http://dx.doi.org/10.1051/0004-6361/201628634e. 

[13] El-Maarry M.R. and 51 authors (2016). Regional Surface Morphology of Comet 67P from Rosetta/OSIRIS Images: The Southern Hemisphere. Astronomy & Astrophysics, v. 593, A110http://dx.doi.org/10.1051/0004-6361/201628634.

[12] El-Maarry M.R., W.A. Watters, Z. Yoldi, A. Pommerol, D. Fischer, U. Eggenberger, and N. Thomas, (2015). Field Investigation of Dried Lakes in Western United States as an Analogue to Desiccation Fractures on Mars. J. Geophys. Res. Planets 120, doi:10.1002/2015JE004895.

[11] El-Maarry M.R., and 53 authors, (2015). Regional surface morphology of comet 67P/Churyumov-Gerasimenko from Rosetta/OSIRIS images, Astronomy & Astrophysics, v. 583,  A26http://dx.doi.org/10.1051/0004-6361/201525723.

[10] El-Maarry M.R., and 52 authors, (2015). Fractures on  Comet 67P/Churyumov-Gerasimenko observed by Rosetta/OSIRIS, Geophysical Research Letters, 42, 5170–5178 doi:10.1002/2015GL064500.

[9] El-Maarry M.R., A. Pommerol, N. Thomas, (2015). Desiccation of Phyllosilicate-bearing Samples as Analogue for Desiccation Cracks on Mars: Experimental Setup and Initial Results, Planetary & Space Science 111, 134-143. 

[8] El-Maarry M.R., E. Heggy, J.M. Dohm, (2014). Radar Investigations of Apollinaris Mons, Mars: Exploring the Origin of the Fan Deposits, Planetary & Space Science 103, 262–272. 

[7] El-Maarry M.R.,  W. Watters, N. McKeown, J. Carter, E. Noe Dobrea, J. Bishop, A. Pommerol, N. Thomas, (2014). Potential Desiccation Cracks on Mars: A Synthesis from Modeling, Analogue-Field Studies, and Global Observations, Icarus 241, 248–268.

[6] El-Maarry M.R., A. Pommerol, N. Thomas, (2013). Analysis of polygonal cracking patterns in chloride-bearing terrains on Mars: Indicators of ancient playa settings, J. Geophys. Res. Planets 118, 2263–2278.

[5] El-Maarry M.R., J. Dohm, G. Michael, N. Thomas, S. Maruyama, (2013). Morphology and evolution of the ejecta of Hale crater in Argyre basin, Mars: Results from high resolution mapping, Icarus 226, 905–922.

[4] El-Maarry M.R., J. Kodikara, W. Markiewicz, W. Wijessoriya, N. Thomas, (2012). Desiccation mechanism for formation of Crater Floor Polygons on Mars and Giant Polygons on Earth: Results from a Pre-Fracture Model, Earth and Planetary Science Letters 323, 19–26.

[3] El-Maarry M.R., J.M. Dohm, G. Marzo, R. Fergason, E. Heggy, W. Goetz, A. Pack, and W.J. Markiewicz, (2012). Searching for evidence of hydrothermal activity at Apollinaris Mons, Mars, Icarus 217, 297–314.

[2] El-Maarry M. R., W.J. Markiewicz, M. Mellon, W. Goetz., J.M. Dohm, A PacK, (2010). Crater Floor Polygons: Desiccation Patterns of Ancient Lakes on Mars?. J. Geophys. Res., doi:10.1029/2010JE003609.

[1] El-Maarry M. R., Gasnault O., Toplis M., Baratoux D., Dohm J. M., Newsom H. E., Boynton W. V., Karunatillake S. (2009). Chemical composition of Martian volcanics at Tharsis from gamma-ray data: New constraints on the depth of the mantle source region, J. Volcanology & Geothermal Res. 185, 116–122. Special issue on tectonic and volcanic history of the Tharsis province, Mars.

 

(As Co-author)

[.] Hoefner, S. J.-B. Vincent, J. Blum, B.J.R. Davidsson, H. Sierks, M.R. El-Maarry, and 51 authors (). The Thermophysics of Fractures on Comet 67P/Churyumov-Gerasimenko. Astronomy & Astrophysics, submitted. 

[.] A.-T. Auger, O. Groussin, L. Jorda, M. R. El-Maarry, and 47 authors (). Meter-scale thermal contraction crack polygons on the nucleus of comet 67P/Churyumov-Gerasimenko. Icarus, submitted.

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[45] Pajola, M., et al. including M. R. El-Maarry (2017). The pristine interior of comet 67P revealed by the combined Aswan outburst and cliff collapse. Nature Astronomy 1, doi:10.1038/s41550-017-0092.

[44] Perna D., et al. including M. R. El-Maarry (2017), Multivariate statistical analysis of OSIRIS/Rosetta spectrophotometric data of comet 67P/Churyumov-Gerasimenko. Astronomy & Astrophysics 600, A115, https://doi.org/10.1051/0004-6361/201630015

[43] Lee, J-C, M. Massironi, L. Giacomini, S. Ferrari, M. R. El-Maarry et al., (2017), Geomorphological Mapping of Comet 67P/Churyumov-Gerasimenko's Southern Hemisphere, Monthly Notices of the Royal Astronomical Society 462 (Suppl_1), S573–S592.

[42] Fornasier, S., S. Mottola, H. U. Keller, M. A. Barucci, B. Davidsson, C. Feller, J. D. P. Deshapriya, H. Sierks, C. Barbieri, P. L. Lamy, R. Rodrigo, D. Koschny, H. Rickman, M. A’Hearn, J. Agarwal, J.-L. Bertaux, I. Bertini, S. Besse, G. Cremonese, V. Da Deppo, S. Debei, M. De Cecco, J. Deller, M. R. El-Maarry et al., (2016), Rosetta’s comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature. Science, DOI: 10.1126/science.aag2671.

[41] Giacomini, L., Massironi, M., El-Maarry, M.R., and 51 authors (2016). Geologic mapping of the Comet 67P/1 Churyumov-Gerasimenko. Monthly Notices of the Royal Astronomical Society, 462, S352-S367.

[40] Sunshine, J., N. Thomas, M. R. El-Maarry, T. L. Farnham (2016), Evidence for geologic processes on comets,  J. Geophys. Res. Planets, 121, doi:10.1002/2016JE005119.

[39] Pajola M., S. Mottola, M. Hamm, M. Fulle, B. Davidsson, C. Guttler, H. Sierks, G. Naletto, G. Arnold, H.-G. Grothues, R. Jaumann, H. Michaelis, J. P. Bibring, C. Barbieri, P. L. Lamy, R. Rodrigo, D. Koschny, H. Rickman, H. U. Keller, J. Agarwal, M. F. A'Hearn, M. A. Barucci, J. L. Bertaux, I. Bertini, S. Boudreault, G. Cremonese, V. Da Deppo, S. Debei, M. De Cecco, J. Deller, M. R. El Maarry, et al. (2016), The Agilkia boulders/particles size-frequency distributions: OSIRIS and ROLIS joint observations of 67P surface, Monthly Notices of the Royal Astronomical Society, 462, S242-S252.

[38] Feller, C., S. Fornasier, P.H. Hasselmann, A. Barucci, F. Preusker, F. Scholten, L. Jorda, A. Pommerol, B. Jost, O. Poch, M.R. El-Maarry et al., (2016) Decimetre-scaled spectrophotometric observations of the comet 67P/Churyumov - Gerasimenko with the OSIRIS instrument, Monthly Notices of the Royal Astronomical Society, 462, S287-S303.

[37] Deshapriya J. D. P., M. A. Barucci, S. Fornasier, C. Feller, P. H. Hasselmann, H. Sierks, M. R. El-Maarry et al. (2016). Spectrophotometry of the Khonsu region on the comet 67P/Churyumov-Gerasimenko using OSIRIS instrument images, Monthly Notices of the Royal Astronomical Society, 462, S274-S286.

[36] Vincent, J-B., M. F. A’ Hearn, Z.-Y. Lin, M. R. El-Maarry, et al. (2016), Summer fireworks on comet 67P, Monthly Notices of the Royal Astronomical Society, 462, S184-S194.

[35] Barucci, M. A. et al including M. R. El-Maarry, (2016), Detection of exposed H2O ice on the nucleus of comet 67P/Churyumov-Gerasimenko as observed by Rosetta OSIRIS and VIRTIS instruments, Astronomy & Astrophysics 595, A102http://dx.doi.org/10.1051/0004-6361/201628764.

[34] Gicquel, A. and 59 authors including M. R. El-Maarry, (2016), Sublimation of icy aggregates in the coma of comet 67P/Churyumov-Gerasimenko detected with the OSIRIS cameras onboard Rosetta, Monthly Notices of the Royal Astronomical Society, 462, S57-S66.

[33] Pajola, M., A. Lucchetti, J-B. Vincent, N. Oklay, M. R. El-Maarry et al. (2016). The southern hemisphere of 67P/Churyumov-Gerasimenko: analysis of the pre-perihelion size-frequency distribution of boulders ≥7 m, Astronomy & Astrophysics, V.592, L2.    

[32] Pajola, M., N. Oklay, F. La Forgia, L. Giacomini, M. Massironi, I. Bertini, M.R. El-Maarry et al. (2016). The Aswan site on comet 67P: geomorphology, boulder evolution and spectrophotometry. Astronomy & Astrophysics, V.592, A.69

[31] Davidsson B., H. Sierks, C. Güttler, F. Marzari, M. Pajola, H. Rickman, A.–T. Auger, M.R. El-Maarry, and 40 authors (2016). The primordial nucleus of comet 67P/Churyumov–Gerasimenko. Astronomy & Astrophysics, V.592, A63, http://dx.doi.org/10.1051/0004-6361/201526968

[30] Ip, W-H, and and 54 authors including M.R. El-Maarry (2016). Physical property and dynamical relation of the circular depressions on comet 67P/Churyumov-Gerasimenko. Astronomy & Astrophysics, V.591, A132, http://dx.doi.org/10.1051/0004-6361/201628156

[29] Gutiérrez, P. J. and 54 authors including M.R. El-Maarry (2016). A possible interpretation of the precession of comet 67P/Churyumov-Gerasimenko. Astronomy & Astrophysics, V.590, A46, http://dx.doi.org/10.1051/0004-6361/201528029.

[28] Diot, X., M.R. El-Maarry, F. Schlunegger, K.P. Norton, N. Thomas, P.M. Grindrod, and M. Chojnacki, (2016), Complex assemblage of terrains in association with the banded terrain in Hellas basin, Mars. Planetary and Space Science 121, 36-52.

[27] Vincent, J-B, et al including M.R. El-Maarry, (2016). Are fractured cliffs the source of cometary dust jets? insights from OSIRIS/Rosetta at 67P. Astronomy & Astrophysics, V.587, A14, http://dx.doi.org/10.1051/0004-6361/201527159.

[26] Shi, X. X. Hu, H. Sierks, C. Guettler, M. A'Hearn, J. Blum, M.R. El-Maarry, et al., (2016). Sunset jets observed on comet 67P/Churyumov-Gerasimenko sustained by subsurface thermal lag. Astronomy & Astrophysics V. 586, A7http://dx.doi.org/10.1051/0004-6361/201527123.

[25] A. Lucchetti, G. Cremonese, L. Jorda, F. Poulet, J.-P. Bibring, M. Pajola, F. La Forgia, M. Massironi, M. R. El-Maarry, and 39 authors, (2016), Characterization of the Abydos region through OSIRIS high resolution images in support of CIVA measurements. Astronomy & Astrophysics, v. 585, L1, http://dx.doi.org/10.1051/0004-6361/201527330.

[24] Diot, X., M. R. El-Maarry, L. Guallini, F. Schlunegger, K. P. Norton, N. Thomas, S. Sutton, and P. M. Grindrod (2015), An ice-rich flow origin for the banded terrain in the Hellas basin, Mars, J. Geophys. Res. Planets, 120, doi:10.1002/2015JE004956.

[23] Massironi, M.,  Simioni, E., Marzari, F., Cremonese, G., Giacomini, L., Pajola, M., Jorda, L., Naletto, G., Lowry, S., El-Maarry, M.R., and 49 authors (2015). The two independent and primitive envelopes of the bilobate nucleus of comet 67P/Churyumov-Gerasimenko. Nature 526, 402-405, doi:10.1038/nature15511.

[22] Lara, L.M., and 55 authors including M.R. El-Maarry (2015). Large scale dust jets in the coma of 67P/Churyumov-Gerasimenko as seen by the OSIRIS instrument on board Rosetta. Astronomy & Astrophysics, v. 583, A9http://dx.doi.org/10.1051/0004-6361/201526103

[21] Groussin, O, et al including M.R. El-Maarry (2015). Temporal morphological changes in the Imhotep region of comet 67P/Churyumov-Gerasimenko. Astronomy & Astrophysics, v. 583, A36, http://dx.doi.org/10.1051/0004-6361/201527020

[20] Tubiana, C., and 53 authors including M.R. El-Maarry (2015). Scientific assessment of the quality of OSIRIS images. Astronomy & Astrophysics, v. 583, A46, http://dx.doi.org/10.1051/0004-6361/201525985

[19] Groussin, O. and 51 authors including El-Maarry, M.R. (2015). Gravitational slopes, geomorphology and material strengths of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations. Astronomy & Astrophysics, v. 583, A32http://dx.doi.org/10.1051/0004-6361/201526379

[18] La Forgia, F., and 53 authors including M.R. El-Maarry (2015). Geomorphology and Spectrophotometry of Philae’s Landing Site on Comet 67P Churyumov-Gerasimenko. Astronomy & Astrophysics, v. 583, A41, http://dx.doi.org/10.1051/0004-6361/201525983

[17] Pajola, M., and 56 authors including M.R. El-Maarry (2015). The size-frequency distribution of boulders ≥ 7 m on 67P/Churyumov-Gerasimenko comet. Astronomy & Astrophysics, v. 583, A37, http://dx.doi.org/10.1051/0004-6361/201525975

[16] Thomas, N., Davidsson, B., El-Maarry, M.R., and 43 authors (2015). Re-distribution of particles across the nucleus of comet 67P/Churyumov-Gerasimenko. Astronomy & Astrophysics, v. 583, A17, http://dx.doi.org/10.1051/0004-6361/201526049

[15] Pommerol, A., Thomas, N., El-Maarry, M.R., and 51 authors (2015). OSIRIS observations of metre-size exposures of H2O ice at the surface of 67P/Churyumov-Gerasimenko and interpretation using laboratory experiments. Astronomy & Astrophysics, v. 583, A25, http://dx.doi.org/10.1051/0004-6361/201525977

[14] Rickman, H., Marchi, S., A'Hearn, M.F., Barbieri, C., El-Maarry, M.R. and 34 authors (2015). Comet 67P/Churyumov-Gerasimenko: Constraints on its origin from OSIRIS images. Astronomy & Astrophysics, v. 583, A44, http://de.arxiv.org/pdf/1505.07021

[13] Auger, A-T, and 61 authors including M.R. El-Maarry (2015). Geomorphology of the Imhotep region on comet 67P/Churyumov-Gerasimenko from OSIRIS observations. Astronomy & Astrophysics, v. 583, A35, http://dx.doi.org/10.1051/0004-6361/201525947

[12] Vincent, J-B, and 67 authors including M.R. El-Maarry (2015). Large heterogeneities in comet 67P as revealed by active pits from sinkhole collapse, Nature 523, 63-66.

[11] Soare, R.J., B. Horgan, S.J. Conway, C. Souness, M.R. El-Maarry (2015).Volcanic terrain and the formation of “excess ice” at the mid-latitudes of Utopia Planitia, Mars, Earth and Planetary Science Letters 423, 182-192.

[10] Pommerol, A., B. Jost, O. Poch, M. R. El-Maarry, B. Vuitel, and N. Thomas, (2015). The SCITEAS experiment: optical characterizations of sublimating icy planetary analogues, PSS, 109-110, p. 106-122, doi: 10.1016/j.pss.2015.02.004, 2015.

[9] Thomas, N., and 58 authors  including M.R. El-Maarry (2015). The Morphological Diversity of Comet 67P/Churyumov-Gerasimenko. Science 347, Issue 6220, DOI: 10.1126/science.aaa0440.

[8] Dohm, J.M., T.M. Hare, S.J. Robbins, J-P Williams, R.J. Soare, M.R. El-Maarry and 15 authors (2015).   Geological and Hydrological Histories of the Argyre Province, Mars. Icarus 253, 6698.

[7] Soare R., S. Conway, J.M. Dohm, M.R. El-Maarry (2014). Possible open-system (hydraulic) pingos in and around the Argyre impact region of Mars, Earth and Planetary Science Letters 398, 25–36.

[6] Diot, X., M.R. El-Maarry, F. Schlunegger, K.P Norton, N. Thomas, P.M. Grindrod (2014). Banded Terrain in Hellas Basin, Mars: Results from Geomorphological Investigations and Morphometry, Planetary & Space Scienc101, 118–134.

[5] Jutzi M., N. Thomas, W. Benz, M.R. El-Maarry, et al., (2013), The influence of recent major crater impacts on the surrounding surfaces of (21) Lutetia, Icarus 226, 89–100.

[4] Thomas N. and 28 authors including M.R. El-Maarry, (2012), The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA’s Rosetta spacecraft. Planetary & Space Science 66, 96–124.

[3] Fairén, A.G.,  J. M. Dohm, V. R. Baker, S. D. Thompson, W. C. Mahaney, K. E. Herkenhoff, J-A. P. Rodríguez, A. F. Davila, D. Schulze-Makuch, M.R. El-Maarry, et al., (2011). Meteorites at Meridiani Planum provide evidence for significant amounts of surface and near-surface water on early Mars, Meteoritics & Planetary Science 46, 1832–1841.

[2] Goetz, W., and 27 authors including El-Maarry M.R.,  (2009). Microscopy analysis of soils at the Phoenix landing site, Mars: Classification of soil particles and description of their optical and magnetic properties, J. Geophys. Res., 115, E00E22, doi:10.1029/2009JE003437. 

[1] Karunatillake, S., J. J. Wray, S. W. Squyres, G. J. Taylor, O. Gasnault, S. M. McLennan, W. Boynton, M.R. El-Maarry, and J. M. Dohm (2009). Chemically striking regions on Mars and Stealth revisited, J. Geophys. Res., 114, E12001, doi:10.1029/2008JE003303.

 

BOOK CHAPTERS AND OTHER PUBLICATIONS

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[10] Gambicorti, L., D. Piazza, A. Pommerol, V. Roloff, M. Gerber, R. Ziethe, M .R. El-Maarry, et al. (2016) The CaSSIS imaging system: optical performance overview. Proceedings of the SPIE 9904, id. 99041E, 12 pp.

[9] El-Maarry, M.R. (2014). Desiccation Crack Polygon. In Encyclopedia of Planetary Landforms. H.Hargitai, A. Kereszturi (ed.), Springer, 2730 pp.

[8] El-Maarry, M.R. (2014). Banded Terrrain (Mars, Hellas). In Encyclopedia of Planetary Landforms. H.Hargitai, A. Kereszturi (ed.), Springer, 2730 pp.

[7] El-Maarry, M.R. (2014). Honeycomb Terrrain (Mars, Hellas). In Encyclopedia of Planetary Landforms. H.Hargitai, A. Kereszturi (ed.), Springer, 2730 pp.

[6] El-Maarry, M.R. (2014). Reticulate Terrrain (Mars, Hellas). In Encyclopedia of Planetary Landforms. H.Hargitai, A. Kereszturi (ed.), Springer, 2730 pp.

[5] El-Maarry, M.R. (2014). Contraction Crack. In Encyclopedia of Planetary Landforms. H.Hargetai, A. Kereszturi (ed.), Springer, 2730 pp.

[4] El-Maarry, M.R., R. Soare, A. Kereszturi, (2014). Crater Floor Polygons (Mars). In Encyclopedia of Planetary Landforms. H.Hargitai, A. Kereszturi (ed.), Springer, 2730 pp.

[3] El-Maarry, M.R., G. Erkeling, A. Kereszturi, H. Hargitai (2014). Crater Lake. In Encyclopedia of Planetary Landforms. H.Hargitai, A. Kereszturi (ed.), Springer, 2730 pp.

[2] Dohm, J.M., and 13 authors including, M.R. El-Maarry, (2013) Mars Evolution. In Mars: Evolution, Geology, and Exploration. A.G. Fairén (ed.): "Mars: Evolution, Geology and Exploration", Nova Science Publishers, Inc., pp. 1–33.

[1] El-Maarry, M.R., (2011), Detection of Hydrothermal Systems on Mars using Remote Sensing (PhD dissertation), uni-edition GmbH, 153pp (http://www.mps.mpg.de/3183803/Dissertation_2011_El_Maarry__Mohamed_Ramy1.pdf)

 

SELECTED CONFERENCE PUBLICATIONS AND PRESENTATIONS (>50)

[24] El-Maarry, M.R, and the OSIRIS team. (Talk) Comet 67P Dichotomy and Morphology of the Southern Hemisphere from Rosetta/OSIRIS Images. Lunar & Planetary Science Conference 2016, abstract # 2108.

[23] El-Maarry, M.R, W.A. Watters, Z. Yoldi, A. Pommerol, D. Fischer, U. Eggenberger, and N. Thomas. Dried Lakes in Western United States as Analogue to Desiccation Fractures on Mars. Lunar & Planetary Science Conference 2016, abstract # 2078.

[22] El-Maarry, M.R, and the OSIRIS team. (Talk) Fractures on comets: New insights from the Rosetta Mission. 50th ESLAB meeting Mar 2016, Leiden, Netherlands.

[21] El-Maarry, M.R., N. Thomas, S. Marchi, M. Massironi, and the OSIRIS team. Surface Fractures on Comet 67P/Churyumov-Gerasimenko. Lunar & Planetary Science Conference 2015, abstract # 1836.

[20] El-Maarry M.R.,  W. Watters, N. McKeown, J. Carter, E. Noe Dobrea, J. Bishop, A. Pommerol, N. Thomas. “Potential Desiccation Cracks on Mars: A Review of Global Observations Using HiRISE”. 8th Mars International Conference, 2014. Abstract #1230.

[19] Thomas, N., Cremonese, G., Banaszkiewicz, M., Bridges, J., Byrne, S., da Deppo, V., Debei, S., El-Maarry, M. R., et al. “The Colour and Stereo Surface Imaging System (CaSSIS) for ESA's Trace Gas Orbiter”. 8th Mars International Conference, 2014. Abstract #1067.

[18] El-Maarry M.R.,  W. Watters, N. McKeown, J. Carter, E. Noe Dobrea, J. Bishop, A. Pommerol, N. Thomas. “Putative Desiccation Cracks on Mars: A Synthesis from Modeling, Analogue-Field Studies, and Global Observations”. Lunar & Planetary Science Conference 2014, abstract # 2530.

[17] El-Maarry M.R., A. Pommerol, N. Thomas. “Desiccation experiments using wet clay-bearing soils as an analogue for desiccation cracks on Mars”. Europlanet Science Conference 2013, abstract #447.

[16] El-Maarry M.R., J. Dohm, G. Michael, N. Thomas, “Morphology and Temporal Evolution of the Ejecta of Hale Crater in the Argyre Basin, Mars: Results from High Resolution Mapping”. Lunar & Planetary Science Conference 2013, abstract # 3064.

[15] El-Maarry M.R., et al., “Towards a better understanding of desiccation processes on Mars and its implication to Martian hydrology: numerical modelling, global mapping, and field studies”. Europlanet Science Conference, 2012, abstract #168.

[14] El-Maarry M.R. et al., Decorrelation Stretching of Rosetta Osiris Images at (21)-Lutetia. Asteroids, Comets, Meteors 2012, Proceedings of the conference in Niigata, Japan. LPI Contribution No. 1667.

[13] El-Maarry M.R., J. Kodikara, W. J. Markiewicz, S. Wijessoriya, N. Thomas, Modeling the Formation of Large Desiccation Polygons on Earth: Possible Relation to Intermediate-Sized Polygons on Mars and Implications to Mars Hydrology, Lunar & Planetary Science Conference 2012, abstract# 1063.

[12] El-Maarry M.R., N. Thomas, A. Pommerol, Banded Terrain in Hellas Region, Mars, and associated Geology, LPSC 2012, abstract # 2653.

[11] El-Maarry M.R., Advances in Martian Soil Research. Invited Talk, May, 2011, Monash University, Australia.

[10] El-Maarry M.R., E. Heggy, and J.M. Dohm, “Assessment of a Possible Volcanic Paleolake at Apollinaris Patera, Mars: Constraints on the Composition of the Inner Caldera and Fan Deposits using the Shallow Sounding Radar (SHARAD)”, EGU, Vienna, 2011, abstract #2736.

[9] El-Maarry M.R., J.M. Dohm, G. Marzo, R. Fergason, E. Heggy, W. Goetz, A. Pack, and W.J. Markiewicz, Searching for evidence of hydrothermal activity at Apollinaris Patera, Mars, LPSC 2011, abstract #1966.

[8] El-Maarry M.R. J. Kodikara, W. Markiewicz and W. Goetz. “Numerical modeling of a desiccation mechanism for formation of Crater Floor Polygons on Mars”. American Geophysical Union Fall meeting, 2010, abstract no. 965832.

[7] El-Maarry M. R., W. Markiewicz, M. Mellon, W. Goetz. “Crater Floor Polygons (CFPs): Signs of desiccated Paleolakes on Mars?”. Lunar and Planetary Science Conference, 2010.

[6] El-Maarry M.R., W. Markiewicz, M. Mellon, W. Goetz. “Crater Floor Polygons: Desiccation Patterns of Crater Paleolakes on Mars?”. Europlanet Science Conference, 2009, 13-18 Sep, 2009. Abstract 222.

[5] El-Maarry M.R., and Gasnault O., “A Preliminary Assessment of the Role of Impact Craters in Forming Hydrous Minerals on the Surface of Mars”. 40th  Lunar and Planetary Science Conference, 2009

[4] El-Maarry M.R., and Sierks H., “Geological, Geochemical and Engineering Considerations for Choosing a Landing Site on the Jovian Moon Europa”. 40th Lunar and Planetary Science Conference, 2009.

[3] El-Maarry M.R. et al., “Preliminary Geology Results from the Phoenix Mission to Mars”, Cairo University, 2008, (Invited).

[2] El-Maarry M.R. et al., “Preliminary Results from the Phoenix Mission to Mars”, Student Planetary Workshop, ESTEC, 9-10 Oct, 2008.

[1] El-Maarry M.R.,  Toplis M., Gasnault O, and Baratoux D., “Gamma-Ray Data of the Tharsis Region, Mars: A Signature of Partial Melting of the Martian Mantle?” . LPSC, 2008.

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