نتایج جستجو برای: garnet geothermometry

تعداد نتایج: 4227  

2004
Jing Zhang Isaak D. Mayergoyz Romel Gomez Charles Krafft Iulian Nistor Rafael Rojas

Title of Thesis: GROWTH AND FMR CHARACTERIZATION OF IN-PLANE MAGNETIZATION GARNET THIN-FILMS Degree Candidate: Jing Zhang Degree and Year: Master of Science, 2004 Thesis directed by: Professor Isaak D. Mayergoyz Department of Electrical Engineering and Computer Engineering Planar magnetization Bi-doped garnet thin-films were successfully grown for magneto-optical imaging applications. These fil...

2017
E. F. Baxter B. Dragovic

Garnet could be the ultimate petrochronometer. Not only can you date it directly (with an accuracy and precision that may surprise some), but it is also a common rock-forming and porphyroblast-forming mineral, with wide ranging—yet thermodynamically well understood— solid solution that provides direct and quantitative petrologic context. While accessory phase petrochronology is based largely up...

2008
Ikuo Katayama Shun-Ichiro Karato

The effects of water and iron content on the relative creep strengths of garnet and olivine were investigated by shear deformation experiments. arnet and olivine samples were sandwiched together between alumina pistons in a simple shear geometry and were deformed at P= 1–2 GPa, = 1473 K and strain rates ranging from 10−5 to 10−3 s−1 using a Griggs-type solid-medium apparatus. The stressand stra...

J. Izadyar

In the Asemi-gawa area of intermediate high-pressure and low-temperature Sanbagawa metamorphic belt in central Shikoku, Japan, piemontite-quartz schists are common in which cation exchange between piemontite and garnet has been studied. Piemontite in contact with garnet usually contains two zones in which core is enriched in Mn3+ and surrounded by a rim rich in Fe3+. Garnet is Ca-Fe-bearing spe...

Mashhad Metamorphic Complex (MMC) with metamorphic, granitic intrusions and ophiolite units is situated in the suture zone of Paleotethys in NE Iran. Triassic staurolite-garnet schist of Khalaj represents the highest grade of metamorphism in MMC. In this study EPMA analyses of garnet and biotite used to determine the maximum temperature for regional metamorphism. The pattern of zoning in garnet...

2008
Matthew J. Kohn

Rayleigh distillation models are developed to describe theoretical growth zoning of Lu, Hf, Rb, Sr, Sm, and Nd in typical garnet crystals from metapelites and metabasites. Effects of diffusion-limited transport within the matrix and intracrystalline diffusion are also considered qualitatively. Theoretical zoning profiles show strong depletions of Lu in garnet rims compared to cores, but virtual...

طهماسبی, زهرا,

Pyralespite garnet group (Almandine group) is common minerals in the metamorphic and igneous complex of Boroujerd area. Moreover, Almandin (Fe enriched garnet) is the most common mineral but the content of Spessartin (Mn enriched garnet) is high in this area. The changes of mineral composition in different grains show that these minerals are zoning chemical and core to rim composition is varied...

Dehsalm Metamorphic Complex located in east of Iran consists of regionally metamorphosed rocks intruded by three phases of granitic masses. Synkinematic porphyroblasts of garnet from staurolite-garnet schist present well preserved growth zoning. Electron microprobe analysis of selected garnets was carried out to interpret the origin and pattern of zoning in amphibolite facies garnets and its im...

2015
Ashim Chakravarty Miguel Levy Yoke Khin Yap Jae Yong Suh Durdu O. Guney Ravindra Pandey

This dissertation addresses dimensionality-induced magneto-optic effects in liquid-phaseepitaxy magnetic garnet thin films. It is found that the Faraday rotation (FR) per unit length evinces a marked and steady enhancement as the film thickness is reduced below ~100 nm in Bi0.8Gd0.2Lu2Fe5O12, although it remains constant in the micronand most of the submicron-regime. The reported specific FR ch...

2016
Ryoji Inada Satoshi Yasuda Masaru Tojo Keiji Tsuritani Tomohiro Tojo Yoji Sakurai

Citation: Inada R, Yasuda S, Tojo M, Tsuritani K, Tojo T and Sakurai Y (2016) Development of LithiumStuffed Garnet-Type Oxide Solid Electrolytes with High Ionic Conductivity for Application to All-Solid-State Batteries. Front. Energy Res. 4:28. doi: 10.3389/fenrg.2016.00028 Development of lithium-stuffed garnet-Type Oxide solid electrolytes with high ionic conductivity for application to all-so...

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