Zn-Rich Spinel in Association with Quartz in the Al-Rich
Por um escritor misterioso
Last updated 15 julho 2024
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](http://en.earth-science.net/fileDQKXEN/journal/article/jes/2014/2/jes-25-2-207-1.jpg)
Al-rich metapelites from the Mashan khondalite series are characterized by the assemblage Spl+Grt+Sil+Crd+Bt+Pl (An<sub>72</sub>)+Kfs+Quartz+graphite. Large amounts of spinel+quartz assemblages occur as inclusions in garnet and prismatic sillimanite in the Al-rich metapelites of the Mashan complex, NE China. The chemical composition of spinel is characterized by Zn-rich (<i>X</i><sub>Zn</sub>=0.33–0.40. <i>X</i><sub>Zn</sub>=Zn/Zn+Mg+Fe*) (Fe*=Fe<sup>2+</sup>+Fe<sup>3+</sup>) and Fe<sup>3+</sup> rich (up to 0.31 p.f.u.). The characteristic chemical composition and the mineral association indicated that the formation of spinel and quartz assemblage may be due to the breakdown of Zn-rich staurolite. The geothermobarometers studies show that the peak temperature of the Mashan complex is around 820 ℃ and the peak pressures is 8.0 kbar. The Mashan complex shows a typical orogen style <i>P</i>-<i>T</i> path.
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://www.mindat.org/imagecache/3a/83/01298780014946258504052.jpg)
Spinel: Mineral information, data and localities.
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://pubs.acs.org/cms/10.1021/acscatal.7b01822/asset/images/large/cs-2017-018227_0011.jpeg)
Spinel-Structured ZnCr2O4 with Excess Zn Is the Active ZnO/Cr2O3 Catalyst for High-Temperature Methanol Synthesis
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](http://en.earth-science.net/fileDQKXEN/journal/article/jes/2014/2//jes-25-2-207-T7.jpg)
Zn-Rich Spinel in Association with Quartz in the Al-Rich Metapelites from the Mashan Khondalite Series, NE China
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://media.gemstones.com/image/upload/v1658255519/gemstones-site/gemopedia/spinel/colors/spinel-polished-parcel.jpg)
Spinel Gem Guide and Properties Chart
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://www.researchgate.net/profile/Malcolm-Back/publication/249851106/figure/fig2/AS:667832610209793@1536235110131/Distribution-of-Mn-and-Zn-between-the-four-M-sites-in-the-O-sheet-of-Zn-rich-kupletskite_Q320.jpg)
PDF) Crystal-structure refinement of a Zn-rich kupletskite from Mont Saint-Hilaire, Quebec, with contributions to the geochemistry of zinc in peralkaline environments
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://www.navneetgems.com/wp-content/uploads/2020/09/Spinels-gemstones.jpg)
Spinels V/S Corundum: Shining Light On The Gemstones
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://www.mdpi.com/minerals/minerals-10-00608/article_deploy/html/images/minerals-10-00608-g001-550.jpg)
Minerals, Free Full-Text
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://www.researchgate.net/publication/239532928/figure/fig10/AS:298647905423398@1448214617964/Saturation-concentration-of-dissolved-Zn-with-respect-to-Zn-rich-kerolite-ZnKer.png)
Saturation concentration of dissolved Zn with respect to Zn-rich
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://danugroup.lk/wp-content/uploads/2019/08/InShot_20190810_183831244_compress87.jpg)
Pargasite and Pink Spinel Crystals on Calcite Marble - Danu Group
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://mdmayagems.com/cdn/shop/products/matched-pair-red-spinel-1-75-ct-p10_2000x.jpg?v=1516274384)
Rich Burmese Red Spinel. Hard to Find Pair, Baguette Cut, 1.75 ct. pai - MdMaya Gems
![Zn-Rich Spinel in Association with Quartz in the Al-Rich](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41467-019-13117-1/MediaObjects/41467_2019_13117_Fig1_HTML.png)
Cr-spinel records metasomatism not petrogenesis of mantle rocks
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