نتایج جستجو برای: chromites deposit
تعداد نتایج: 17534 فیلتر نتایج به سال:
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Parking Services [1] Parking permits are required to park on campus. Parking permits can be purchased online. Campus Map [2] The Campus map allows you to search for a location on campus by selecting a building or selecting a department name. Identification (ID) card Please visit Human Resources, 5th floor, South Tower, University Centre, to complete an ID application form. Your University of Gu...
Abstract Detrital chromites are commonly reported within Archean metasedimentary rocks, but have thus far garnered little attention for use in provenance studies. Systematic variations of Cr–Fe spinel mineral chemistry with changing tectonic setting resulted the extensive chromite as a petrogenetic indicator, and so detrital represent good candidates to investigate petrogenesis eroded mafic ult...
We report an unusual robust ferromagnetic order above room temperature upon amorphization of perovskite [YCrO3] in pulsed laser deposited thin films. This is contrary to the usual expected formation of a spin glass magnetic state in the resulting disordered structure. To understand the underlying physics of this phenomenon, we combine advanced spectroscopic techniques and first-principles calcu...
Informal lending and savings institutions exist around the world, and often include regular door-to-door deposit collection of cash. Some banks have adopted similar services in order to expand access to banking services in areas that lack physical branches. Using a randomized control trial, we investigate determinants of participation in a deposit collection service and evaluate the impact of o...
the forumad ophiolite in the northwestern part of the sabzevar region has embraced the largedepleted harzburgites and dunitic bodies associated with podiform chromitites. in some deposits, chromitegrains have segregated as nodules. the stretched shape along with high cr2o3 and tio2 contents are thecharacteristics of the nodules. compared to the other tethyan nodular chromites, the forumad nodul...
Boninites are rare high magnesium andesites that often contain trace chromites. These chromites precipitate from primitive boninitic melts and thought to be carried the surface in continue crystallize a significant volume of silicate minerals. Such magmatic differentiation drives chromite out equilibrium with residual melt respect both divalent trivalent cation proportions. Diffusion then opera...
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