Results 181 to 190 of about 10,401 (241)

Himalayan sub-Moho earthquakes suggest crustal faults trigger eclogitized-drip tectonics. [PDF]

Sci Rep
Song X, Klemperer SL.
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The variety and origin of materials accreted by Bennu's parent asteroid. [PDF]

Nat Astron
Barnes JJ, Nguyen AN, Abernethy FAJ, Bajo K, Bekaert DV, Bloch E, Brennecka GA, Busemann H, Cowpe JS, Crowther SA, Ek M, Fawcett LJ, Fehr MA, Franchi IA, Füri E, Gilmour JD, Grady MM, Greenwood RC, Haenecour P, Kawasaki N, Koefoed P, Krietsch D, Le L, Liszewska KM, Maden C, Malley J, Marrocchi Y, Marty B, Meyer LAE, Peretyazhko TS, Piani L, Render J, Russell SS, Rüfenacht M, Sakamoto N, Schönbächler M, Shollenberger QR, Smith L, Thomas-Keprta K, Verchovsky AB, Villeneuve J, Wang K, Welten KC, Wimpenny J, Worsham EA, Yurimoto H, Zimmermann L, Zhao X, Alexander CMO, Amini M, Baczynski A, Bland P, Borg LE, Burgess R, Caffee MW, Chaves LC, Clay PL, Dworkin JP, Foustoukos DI, Glavin DP, Hamilton VE, Hill D, House CH, Huss GR, Ireland T, Jilly CE, Jourdan F, Keller LP, Kruijer TS, Lai V, McCoy TJ, Nagashima K, Nishiizumi K, Ogliore R, Ong IJ, Reddy SM, Rickard WDA, Sandford S, Saxey DW, Timms N, Weis D, Wilbur ZE, Zega TJ, DellaGiustina DN, Wolner CWV, Connolly HC, Lauretta DS.   +86 more
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Extensive biofilm covering on sgraffito wall art: a call for proactive monitoring. [PDF]

Front Microbiol
Nir I, Sharaby A, Barak H, Pavan MJ, Friedlander LR, Multanen V, Kushmaro A.   +6 more
europepmc   +1 more source

Melting and Rapid Solidification of Lunar Regolith Particles Returned by Chang'E-5 Mission. [PDF]

Research (Wash D C)
Zhang X, Liu Y, Zhao S, Song J, Yao W, Wang W, Zou Z, Yang M.   +7 more
europepmc   +1 more source

Laboratory and numerical investigation of cutting tool performance using a new small-scale linear cutting machine. [PDF]

Sci Rep
Chakeri H, Maleki A, Shakeri H, Darbor M, Mousapour H.   +4 more
europepmc   +1 more source

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Model pyroxenes I: Ideal pyroxene topologies

American Mineralogist, 2003
Ideal pyroxenes are hypothetical structures based on ideal closest-packed arrangements of O anions. They are modeled after observed pyroxene structures and have the general formula M2M1T2O6, where M2 and M1 represent octahedrally coordinated cations, and T represents tetrahedrally coordinated cations.
Richard M. Thompson, Robert T. Downs
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The crystal chemistry of pyroxenes and amphiboles, 1. Pyroxenes

Earth-Science Reviews, 1968
Abstract Experimental determination of the phase boundaries in relevant systems, and the detailed determination of crystal structures, are together yielding increased understanding of the relationships observed among the naturally occurring pyroxenes.
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Intergrowth of pyroxene and pyroxenoid; chain periodicity faults in pyroxene

Physics and Chemistry of Minerals, 1984
Intergrowth of clinopyroxenes (augite, A) and pyroxenoids (Fe-rhodonite and pyroxferroite, Pxo) was observed by transmission electron microscopy. The following orientation relationship was found: (001)Pxo is parallel to \((1\mathop {\bar 1}\limits^ + \bar 1)_{\text{A}}\) and \([1\bar 10]_{Pxo}\) is parallel to [011]A. This relationship can be explained
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Restudy of pyroxene-pyroxene equilibration temperatures for ordinary chrondrite meteorites

Contributions to Mineralogy and Petrology, 1974
Experimental verification of the conclusions of Van Schmus and Koffman (1967) that the equilibration temperatures of ordinary chondrites are roughly the same regardless of classification, and that these temperatures range from 770 to 860 C. The higher average relative equilibrium temperatures found are attributed to improvements in microprobe ...
Bunch, T. E., Olsen, E.
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