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| 1 | Distinctive melt activity and chromite mineralization in Luobusa and Purang ophiolites, southern Tibet: constraints from trace element compositions of chromite and olivine显示文摘To investigate the factors controlling the mineralization in ophiolites we systematically compared the petrology and mineral compositions of the harzburgites/lherzolites, dunites and chromitites in the Luobusa and Purang ophiolites. Generally, the petrological features and trace element compositions of chromite and olivine in peridotite and chromitite are distinctly different between the two ophiolites.In Luobusa, boninitic melts are inferred to have interacted with the harzburgites and modified the distributions of some trace elements(e.g., Ni, Mn and V) in chromite and olivine. The subsequently formed dunites and chromitites experienced significant elemental exchange. In contrast, the Purang ophiolite contains a wider range of chromitite compositions and records diverse melt activities, such as the growth of relatively abundant secondary clinopyroxene. The metasomatic melts were enriched in Al and depleted in Si, Na and highly incompatible trace elements(e.g., Nb, Zr). Such melts resemble MORBlike melts proposed in the literature but are assumed to be more hydrous than typical MORB because of presence of hydrous minerals. The parental magmas of the Purang dunites and intermediate chromitites are inferred to be compositionally intermediate between boninitic and MORB-like melts. In addition,the more refractory nature of the Luobusa harzburgites facilitated a high Cr concentration gradient with the interacting melts, making it easier to increase Cr in the melts. Crystallization of clinopyroxene and amphibole in the Purang ophiolite accommodated significant amounts of Cr and water, respectively,and negatively affected Cr concentration and chromite crystallization. The concentration of chromite to form chromitites requires the presence of focused melt channels. | Benxun Su Meifu Zhou Jiejun Jing Paul T. Robinson Chen Chen Yan Xiao Xia Liu Rendeng Shi Davide Lenaz Yan Hu | 2019 | Science Bulletin2019，64，2： | 15 |
| 2 | Lipid protein interactions in mitochondria. VIII. Effect of general anesthetics on the mobility of spin labels in lipid vesticles and mitochondrial membranes显示文摘 | Laura Mazzanti Giovanna Curatola Giovanna Zolese Enrico Bertoli Giorgio Lenaz | 1979 | Journal of Bioenergetics and Biomembranes (-)1979，，1： | 1 |
| 3 | Surface oxidase and oxi- dative stress propagation in aging显示文摘 | Morre DM Lenaz G Morre DJ | 2000 | Exp Biol2000，203，10： | 1 |
| 4 | The role of Coenzyme Q in mitochondrial electron transport 显示文摘 | Giorgio Lenaz Romana Fato Gabriella Formiggini | 2007 | Mitochondrion2007，，7： | 1 |
| 5 | Mitoehondrial Complex I : structure, function, and implications in neurodegeneration 显示文摘 | LENAZ G BARACCA A FATO R | 2006 | Ital J Biochem2006，55，34： | 1 |
| 6 | New insights into structure and function of mitochondria and their role in ageing and disease显示文摘 | Lenaz G Baracca A Fato R | 2006 | Antioxid Redox Signal2006，8，： | 1 |
| 7 | The role of coenzyme Q in mitochondrial electron transport 显示文摘 | Lenaz G Fato R Formiggini G | 2007 | Mitochondrion2007，7，： | 1 |
| 8 | Mitochondria, oxidative stress, and antioxidant defences 显示文摘 | Lenaz G Bovina C Formiggini G | 1999 | Acta Biochim Pol1999，46，1： | 1 |
| 9 | Mobility and function of coenzyme Q (ubiquinone) in the mitochondriM respiratory chain显示文摘 | Lenaz G Genova M L | 2009 | Biochimica et Biophysica Acta2009，1787，56： | 1 |
| 10 | Role of mitochondria in oxidative stress and ageing显示文摘 | LENAZ G | 1998 | Biochem Biophys Acta1998，，1366： | 1 |
| 11 | Role of mirochondria in oxidative stress and aging显示文摘 | Lenaz G Bovina C D'Aurelio M | 2002 | Ann N Y Acad Sci2002，959，： | 1 |
| 12 | Role of mitochondria in oxidative stress and ageing显示文摘 | Lenaz G | 1998 | Biochim Biophys Acta1998，1366，： | 1 |
| 13 | Cardiotoxicity of adriamycin and related anthracyclines 显示文摘 | Lenaz L Page J | 1976 | Cancer Treat Rev1976，3，2： | 1 |
| 14 | Roleof mitoe hondria in oxidativestress and ageing显示文摘 | Lenaz G | 1998 | Biochim Biophys Acta1998，1366，12： | 1 |
| 15 | Role of mitoehondrial in oxidative stress and ageing显示文摘 | Lenaz G | 1998 | Biochim Biophys Acta1998，1366，1： | 1 |
| 16 | Surface oxidase and oxidative stress propagation in aging显示文摘 | Morre DM Lenaz G Morre DJ | 2000 | J Exp Biol2000，203，10： | 1 |
| 17 | Impairment of mitochondrial oxidative phosphorylation in rat fatty liver exposed to preservation-reperfusion injury显示文摘 | Paolo Caraceni Cristina Bianchi Marco Domenicali Anna Maria Pertosa Elisabetta Maiolini Giovanna Parenti Castelli Bruno Nardo Franco Trevisani Giorgio Lenaz Mauro Bernardi | 2004 | Journal of Hepatology2004，，1： | 1 |
| 18 | Mobility and function of Coenzyme Q (ubiquinone) in the mitochondrial respiratory chain显示文摘 | Giorgio Lenaz Maria Luisa Genova | 2009 | Biochimica et Biophysica Acta2009，1787，： | 1 |
| 19 | Hypoxia and mi-tochondrial oxidative metabolism 显示文摘 | Solaini G Baracca A Lenaz G | 2010 | Biochim Biophys Acta2010，1797，67： | 1 |
| 20 | Mitochondrial complex I: structure, function, and implications in neurodegeneration 显示文摘 | Lenaz G Baracca A Fato R | 2006 | ItalJ Biochem2006，55，34： | 1 |
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