Results 91 to 100 of about 13,108 (235)
Metamorphism of the Oddanchatram anorthosite, Tamil Nadu, South India [PDF]
The Oddanchatram anorthosite is located in the Madurai District of Tamil Nadu, near the town of Palni. It is emplaced into a granulite facies terrain commonly presumed to have undergone its last regional metamorphism in the late Archean about 2600 m.y ...
Janardhan, A. S., Wiebe, R. A.
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CeramicsThis work is part of a research project aimed at producing ceramic-like materials, without the need for an initial sintering, for potential applications in catalysis or filtration at temperatures up to 1000 °C.
Franklin Casarrubios +6 more
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The 10 micron spectral structure in comets [PDF]
The 10 micron spectra of comets Halley (1982i), Wilson (1986l), Kohoutek (1973f) and Bradfield (1987s) are presented and compared. The silicate emission profiles of Halley and Bradfield are seen to be remarkably similar in that both contain a sharp break
Campins, Humberto +2 more
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Macrostructural changes of polymer replicated open cell cordierite based foams upon sintering [PDF]
, 2007 The goal of this work was to clarify the macrostructural changes that take place upon sintering of open cell cordierite based foams. A methodology, based on optical image analysis, was developed to assess the structure of open-cell foams, which allowed ...
Dias, Susana +2 more
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Metasediments of the deep crustal section of Southern Karnataka [PDF]
A review of the rocks of supracrustal origin in the amphibolite and granulite facies terrane in southern Karnataka was presented. In addition to introducing the metasediments in the field area of the workshop, a review was presented of the common ...
Devaraju, T. C. +2 more
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The Acraman impact and its widespread ejecta, South Australia [PDF]
Discovery of a widespread horizon of shock-deformed volcaniclastic ejecta preserved in Late Proterozoic (approx. 600 Ma) shales in South Australia and its probable link to the Acraman impact structure in the Middle Proterozoic Gawler Range.
Gostin, V. A. +2 more
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Optical and TEM study of shock metamorphism from the Sedan test site [PDF]
Thus far, detailed petrologic studies of shock metamorphism have been performed on samples recovered from laboratory experiments and on a few natural impactites.
Gratz, A. J.
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Simulated meteorite impacts and volcanic explosions: Ejecta analyses and planetary implications [PDF]
Past cratering studies have focused primarily on crater morphology. However, important questions remain about the nature of crater deposits. Phenomena that need to be studied include the distribution of shock effects in crater deposits and crater walls ...
Gratz, A. J., Nellis, W. J.
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Materials Research ExpressThis study investigates the influence of varying hybrid filler ratios of hexagonal boron nitride (hBN) and cordierite on the performance of epoxy underfill composites, in line with the rising demands of microelectronic packaging.
Jing Heng Koay +8 more
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New geochemical and isotopic constraints on the genesis of the Oliveira Azeméis granitoid melts (Porto-Tomar Shear Zone, Iberian Variscan Chain, Central-Western Portugal). [PDF]
, 2012 The Porto-Tomar Shear Zone (PTSZ) is a very important tectonic structure that separates, in central-western Portugal, two of the major tectonic units of the Iberian Variscan Chain: the Ossa-Morena Zone, to the west, and the Central Iberian Zone, to the ...
Gonçalves, A. +3 more
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