The present study investigates the crystal preferred orientation (CPO) of quartz crystals in psammitic rocks to ascertain the deformationmechanism using electron backscatter diffraction (EBSD) on quartz crystals from north of the Renvyle-Bofin Slide (RBS) nearLetterfrack in western Ireland. Complete crystallographic orientations were determined for several thousand individual quartz crystalsin ...

the arghash area is located 45 km to southwest of neyshabour. the subvolcanic rocks in the area consist of biotite hornblende quartz monzodiorite porphyry, hornblende biotite quartz monzodiorite porphyry, hornblende monzonite porphyry, biotite hornblende monzonite porphyry, monzodiorite porphyry and biotite quartz monzodiorite porphyry units. the volcanic rocks consist of hornblende biotite dac...

Devonian black shales that were deposited on the North American craton contain abundant Tasmanites cysts. Although these are typically flattened because of compaction, a small proportion of cysts is filled with diagenetic silica. The latter are spherical to ellipsoidal (0.1-0.5mm), and filled with chalcedony, microand megaquartz, and with single quartz crystals. Chalcedonic cyst fillings are pr...

Abstract Traditional refining of silicon generates carbon dioxide emissions that are released into the atmosphere. An alternative process under experimental exploration uses quartz particles coated in a layer porous as raw material, instead lumps and carbon. The quartz–carbon pellets processed at lower temperature than an industrial furnace, hence, different chemical reactions dominant, reducin...

A common method for measuring the mass of organic carbon in airborne particulate matter involves collection on a quartz "lter and subsequent thermal analysis. If unaccounted for, the adsorption of organic gases onto quartz "lters will lead to the overestimation of aerosol organic carbon concentrations (positive artifact). A recommended method of correction for the positive artifact involves sam...

The claim of Denny and others (1937; 1939) to have prevented silicosis in quartz-dusted animals by the simultaneous administration of aluminium was not substantiated in the experiments of Belt and King (1943) and of King and others (1945), using the intratracheal injection technique of Kettle and Hilton (1932). But it was pointed out by King (1947), in similar experiments, that the aluminium mi...

Application Specific Instruction Processors (ASIPs) provide enhanced performance by directly implementing application segments in hardware as custom instructions. Recent work [1, 2] automates generation of custom instructions from application source code. Speedups of up to 6 times [3] are attainable for certain benchmarks. However, instructions generated from C are often restricted to small clu...

Introduction: The 23 km diameter and ~39 Ma Haughton impact structure, located on Devon Island, Canada, was formed in Cambrian to Silurian sedimentary rocks and Precambrian crystalline basement gneissic rocks [1]. Previous studies show that Haughton sandstones (" Hs ") have undergone melting at low pressures (<20 GPa; [2]). However, even though the presence of planar deformation features (PDFs)...