Results 231 to 240 of about 42,838 (280)

Making continental crust on water-bearing terrestrial planets. [PDF]

Sci Adv
Bernadet J, Borisova AY, Guitreau M, Safonov OG, Asimow P, Nédélec A, Bohrson WA, Kosova SA, de Parseval P.   +8 more
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Microbially induced smectite to illite transformation in natural sediments during laboratory compression. [PDF]

Sci Rep
Mills NT, Reece JS, Tice MM, Garza H.
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Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alteration. [PDF]

Proc Natl Acad Sci U S A
Mojarro A, Aponte JC, Dworkin JP, Elsila JE, Glavin DP, Connolly HC, Lauretta DS.   +6 more
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Hyperconnected amorphous oxide networks under compression. [PDF]

Nat Commun
Lee SK, El Ghazaoui E, Kweon JJ, Lee S, Parq JH.   +4 more
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Mineralogy and Geochemistry of Ureilite Meteorites and their Record of Early Solar System Planetary and Asteroidal Processes

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Mineralogical study of proto-planetary disks in FU Orionis stars

Proceedings of the International Astronomical Union, 2009
AbstractWe report on mid-infrared (8–13 μm) spectroscopic observations of eight FU Orionis type objects and discuss a qualitative initial mineralogical analysis.
Emanuel J. Sainz, Mercedes Gomez
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UV Raman spectroscopy—A technique for biological and mineralogical in situ planetary studies

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2007
We report on the great advantages of using deep UV Raman system for in situ planetary applications. Among them are to be mentioned: (I) higher scattering efficiency compared to VIS-IR Raman excitation wavelengths, (II) electronic resonance effects which increase the intrinsically weak Raman signal thus improving the S/N ratio of the detected Raman ...
Nicolae, Tarcea, Michaela, Harz, Petra, Rösch, Torsten, Frosch, Michael, Schmitt, Hans, Thiele, R, Hochleitner, Jürgen, Popp   +7 more
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Comparative planetary mineralogy: Implications of martian and terrestrial jarosite. A crystal chemical perspective

Geochimica et Cosmochimica Acta, 2006
Abstract The importance of the discovery of jarosite at the Meridiani Planum region of Mars is discussed. Terrestrial studies demonstrate that jarosite requires a unique environment for its formation, crystallizing from highly acidic (pH  2 that reacted with aqueous solutions in shallow aquifers or on the martian surface. This interaction forms both
J.J. Papike, J.M. Karner, C.K. Shearer
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Comparative planetary mineralogy: Pyroxene major- and minor-element chemistry and partitioning of vanadium between pyroxene and melt in planetary basalts

American Mineralogist, 2006
Pyroxene grains from 14 basalt suites from the Earth, Moon, Mars, and Vesta were studied by electron- and ion-microprobe techniques. The results show that several elemental trends can be related to planetary parentage and crystallization conditions including paragenetic sequence and kinetics.
J. Karner, J.J. Papike, C.K. Shearer
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Optical design of a compact imaging spectrometer for planetary mineralogy

Optical Engineering, 2007
We present the design of a compact, wide-angle pushbroom imaging spectrometer suitable for exploration of solar system bodies from low orbit. The spectrometer is based on a single detector array with a broadband response that covers the range 400 to 3000 nm and pro- vides a spectral sampling of 10 nm.
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