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• W3119544963 endingPage "106096" @default.
• W3119544963 startingPage "106096" @default.
• W3119544963 abstract "The study of chromite from chromitite-bearing layered intrusions can provide significant insights into their petrogenetic origin and tectonic setting. The Fangmayu Alaskan-type ultramafic intrusion in the North China Craton contains layered and massive chromitite associated with a serpentinized ultramafic suite. This study presents zircon and apatite geochronology, chromite mineral chemistry, platinum-group element (PGE) and Re-Os isotopic data for the purpose of constraining the origin, evolution, and composition of the Fangmayu chromitite parental melts. Zircon U-Pb data from the chromitites define various age populations, with oldest age component (>2.49 Ga) interpreted to represent xenocrystic grains incorporated from crystalline basement. A dominant age component (~2.42 Ga) may represent the age of magma emplacement. Ages in the range of 2375–2068 Ma likely represent variable partial radiogenic Pb-loss during subsequent thermal events. Zircon ages in the range of 1.96–1.90 Ga record metamorphic events, potentially related to the collision between the Eastern Block and Western Block in the North China Craton. Ages of 1.85–1.81 Ga likely represent zircon growth during retrograde metamorphic process in a post-collisional setting; near contemporaneous apatite (~1.8 Ga) tracks cooling through ~500 °C. High Fo contents in olivine (Fo90-92) and high Cr# in chromite (72–77) suggest a low Al2O3 ultramafic parental magma formed by a high degree of partial melting. However, total concentrations of PGEs are abnormally low, and the Re-Os system indicates multiple disturbances during later metamorphic events. Experimental data are used to recover the compositions of parental melts to the chromitite, the calculations yield parental melts with 10–11 wt% Al2O3 and 0.7–1.1 wt% TiO2, which define the arc and IAB affinity. The high Cr#s, low Al2O3 (8–10 wt%), and high TiO2 (0.58–0.96 wt%) contents of chromite, combined with calculated parental melt compositions, suggest that the parental magma of Fangmayu stratiform chromitites was a high-Ti island-arc basalt origin and formed within supra-subduction zone setting." @default.
• W3119544963 created "2021-01-18" @default.
• W3119544963 creator A5021426094 @default.
• W3119544963 creator A5041080539 @default.
• W3119544963 creator A5060053337 @default.
• W3119544963 creator A5084730478 @default.
• W3119544963 creator A5091138046 @default.
• W3119544963 date "2021-04-01" @default.
• W3119544963 modified "2023-10-03" @default.
• W3119544963 title "Origin of high-Cr stratiform chromitite in the Fangmayu Alaskan-type ultramafic intrusion, North China Craton" @default.
• W3119544963 cites W1968782271 @default.
• W3119544963 cites W1971419367 @default.
• W3119544963 cites W1972068680 @default.
• W3119544963 cites W1972295324 @default.
• W3119544963 cites W1973919559 @default.
• W3119544963 cites W1976096966 @default.
• W3119544963 cites W1977351304 @default.
• W3119544963 cites W1980529631 @default.
• W3119544963 cites W1982274555 @default.
• W3119544963 cites W1987768108 @default.
• W3119544963 cites W1989700357 @default.
• W3119544963 cites W1993065509 @default.
• W3119544963 cites W1996988503 @default.
• W3119544963 cites W1999166202 @default.
• W3119544963 cites W1999527527 @default.
• W3119544963 cites W2000945203 @default.
• W3119544963 cites W2001989120 @default.
• W3119544963 cites W2002460023 @default.
• W3119544963 cites W2007105153 @default.
• W3119544963 cites W2011190845 @default.
• W3119544963 cites W2012348468 @default.
• W3119544963 cites W2017333777 @default.
• W3119544963 cites W2020973699 @default.
• W3119544963 cites W2023662706 @default.
• W3119544963 cites W2026506983 @default.
• W3119544963 cites W2028476972 @default.
• W3119544963 cites W2033619193 @default.
• W3119544963 cites W2039055868 @default.
• W3119544963 cites W2039526084 @default.
• W3119544963 cites W2039872199 @default.
• W3119544963 cites W2043003723 @default.
• W3119544963 cites W2046934317 @default.
• W3119544963 cites W2046961523 @default.
• W3119544963 cites W2055715194 @default.
• W3119544963 cites W2060225228 @default.
• W3119544963 cites W2061063686 @default.
• W3119544963 cites W2061085452 @default.
• W3119544963 cites W2061359484 @default.
• W3119544963 cites W2064289157 @default.
• W3119544963 cites W2069333276 @default.
• W3119544963 cites W2070277742 @default.
• W3119544963 cites W2074463249 @default.
• W3119544963 cites W2078322681 @default.
• W3119544963 cites W2080701581 @default.
• W3119544963 cites W2082239880 @default.
• W3119544963 cites W2084470989 @default.
• W3119544963 cites W2085672146 @default.
• W3119544963 cites W2089507620 @default.
• W3119544963 cites W2091121315 @default.
• W3119544963 cites W2091343085 @default.
• W3119544963 cites W2098810588 @default.
• W3119544963 cites W2101710099 @default.
• W3119544963 cites W2111696176 @default.
• W3119544963 cites W2115645707 @default.
• W3119544963 cites W2118309612 @default.
• W3119544963 cites W2119921571 @default.
• W3119544963 cites W2120299465 @default.
• W3119544963 cites W2122467685 @default.
• W3119544963 cites W2122582439 @default.
• W3119544963 cites W2122594547 @default.
• W3119544963 cites W2122668781 @default.
• W3119544963 cites W2127340060 @default.
• W3119544963 cites W2131708204 @default.
• W3119544963 cites W2139639432 @default.
• W3119544963 cites W2140093647 @default.
• W3119544963 cites W2151010548 @default.
• W3119544963 cites W2154951770 @default.
• W3119544963 cites W2156675368 @default.
• W3119544963 cites W2161866809 @default.
• W3119544963 cites W2166015993 @default.
• W3119544963 cites W2168193239 @default.
• W3119544963 cites W2168672163 @default.
• W3119544963 cites W2169766597 @default.
• W3119544963 cites W2169984600 @default.
• W3119544963 cites W2172698830 @default.
• W3119544963 cites W2175372297 @default.
• W3119544963 cites W2176754480 @default.
• W3119544963 cites W2279771260 @default.
• W3119544963 cites W2297176032 @default.
• W3119544963 cites W2303661421 @default.
• W3119544963 cites W2309157283 @default.
• W3119544963 cites W2342124398 @default.
• W3119544963 cites W2519429919 @default.
• W3119544963 cites W2569644591 @default.
• W3119544963 cites W2581303662 @default.
• W3119544963 cites W2614268999 @default.
• W3119544963 cites W2621519772 @default.
• W3119544963 cites W2727304587 @default.

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