Matches in SemOpenAlex for { <https://semopenalex.org/work/W4360951939> ?p ?o ?g. }
- W4360951939 abstract "The process of slab tearing profoundly affects interchanges of material and energy between the lithosphere and asthenosphere and has been invoked as a trigger of magmatism in modern and ancient subduction-collision systems. Horizontal slab tears may occur after continental collision and subsequent slab break-off, whereas vertical slab tears may occur in response to along-strike variations in rollback velocity, thereby ripping the subducting lithosphere. Previous studies have documented tearing of subducting slabs in modern convergent settings using geophysical methods, but in ancient collisional belts, where these methods cannot be applied, detection of slab tearing is more difficult, particularly if the oceanic plate was fully subducted and the geological evidence for subduction is limited. Here, we employ multiproxy element-isotope imaging, as well as zircon petrochronology and whole-rock geochemistry, to assess evidence of vertical tearing of the Mianlue slab in the Triassic Qinling Orogen in central China. Our results show evidence of anomalous, inferred tear-related magmatism east of 107°E, at 225–210 Ma. Vertical tearing of the northward subducting Mianlue slab is recorded by geochemically anomalous igneous rocks, and the recognition of N–S to NE–SW trending boundaries defined by Sr-Nd-Hf isotopes, elemental ratios (Nb/Ta, and Ca/Al), Mg#, and reduced crustal thickness between 107° and 108°E. The inferred vertical tear may have been driven by slab rollback of the Mianlue slab at 225–210 Ma. The results show that multiproxy element-isotope imaging (e.g., of εNd(t), εHf(t), (87Sr/86Sr)i, Nb/Ta, Mg#, and Ca/Al) can be used to reconstruct the evolution of fossil subduction systems." @default.
- W4360951939 created "2023-03-26" @default.
- W4360951939 creator A5003194841 @default.
- W4360951939 creator A5011053475 @default.
- W4360951939 creator A5012921834 @default.
- W4360951939 creator A5018563472 @default.
- W4360951939 creator A5028578212 @default.
- W4360951939 creator A5033033828 @default.
- W4360951939 creator A5043727060 @default.
- W4360951939 creator A5046053996 @default.
- W4360951939 date "2023-03-30" @default.
- W4360951939 modified "2023-10-18" @default.
- W4360951939 title "Evidence of Vertical Slab Tearing in the Late Triassic Qinling Orogen (Central China) From Multiproxy Geochemical and Isotopic Imaging" @default.
- W4360951939 cites W1592369473 @default.
- W4360951939 cites W1619606443 @default.
- W4360951939 cites W1728199570 @default.
- W4360951939 cites W1824388049 @default.
- W4360951939 cites W1974080280 @default.
- W4360951939 cites W1975871169 @default.
- W4360951939 cites W1978317342 @default.
- W4360951939 cites W1984334602 @default.
- W4360951939 cites W1990990153 @default.
- W4360951939 cites W1997774186 @default.
- W4360951939 cites W2004780523 @default.
- W4360951939 cites W2005078833 @default.
- W4360951939 cites W2013857416 @default.
- W4360951939 cites W2016170810 @default.
- W4360951939 cites W2019034794 @default.
- W4360951939 cites W2022204890 @default.
- W4360951939 cites W2022896618 @default.
- W4360951939 cites W2023514993 @default.
- W4360951939 cites W2033691330 @default.
- W4360951939 cites W2035883416 @default.
- W4360951939 cites W2038904473 @default.
- W4360951939 cites W2041665896 @default.
- W4360951939 cites W2041868289 @default.
- W4360951939 cites W2044596835 @default.
- W4360951939 cites W2048272718 @default.
- W4360951939 cites W2053143250 @default.
- W4360951939 cites W2058459535 @default.
- W4360951939 cites W2059100058 @default.
- W4360951939 cites W2064893459 @default.
- W4360951939 cites W2064916534 @default.
- W4360951939 cites W2068151723 @default.
- W4360951939 cites W2073649073 @default.
- W4360951939 cites W2080411095 @default.
- W4360951939 cites W2089268756 @default.
- W4360951939 cites W2093306862 @default.
- W4360951939 cites W2096562031 @default.
- W4360951939 cites W2107282719 @default.
- W4360951939 cites W2108971421 @default.
- W4360951939 cites W2113748200 @default.
- W4360951939 cites W2133610516 @default.
- W4360951939 cites W2138522501 @default.
- W4360951939 cites W2156954089 @default.
- W4360951939 cites W2157644414 @default.
- W4360951939 cites W2158031954 @default.
- W4360951939 cites W2163801283 @default.
- W4360951939 cites W2178087405 @default.
- W4360951939 cites W2227505540 @default.
- W4360951939 cites W2321406219 @default.
- W4360951939 cites W2324896590 @default.
- W4360951939 cites W2402757728 @default.
- W4360951939 cites W2467269768 @default.
- W4360951939 cites W2580784771 @default.
- W4360951939 cites W2587265044 @default.
- W4360951939 cites W2594560902 @default.
- W4360951939 cites W2620975547 @default.
- W4360951939 cites W2736435839 @default.
- W4360951939 cites W2780950508 @default.
- W4360951939 cites W2785244393 @default.
- W4360951939 cites W2800835519 @default.
- W4360951939 cites W2801867204 @default.
- W4360951939 cites W2802819005 @default.
- W4360951939 cites W2804530479 @default.
- W4360951939 cites W2810365081 @default.
- W4360951939 cites W2884835832 @default.
- W4360951939 cites W2885274513 @default.
- W4360951939 cites W2899668943 @default.
- W4360951939 cites W2900851192 @default.
- W4360951939 cites W2943661754 @default.
- W4360951939 cites W2949970923 @default.
- W4360951939 cites W2998391328 @default.
- W4360951939 cites W3000325105 @default.
- W4360951939 cites W3015032658 @default.
- W4360951939 cites W3029648232 @default.
- W4360951939 cites W3087656910 @default.
- W4360951939 cites W3138611985 @default.
- W4360951939 cites W3163031552 @default.
- W4360951939 cites W3172473178 @default.
- W4360951939 cites W3182971162 @default.
- W4360951939 cites W3184294252 @default.
- W4360951939 cites W3214076835 @default.
- W4360951939 cites W4242976591 @default.
- W4360951939 cites W4283031226 @default.
- W4360951939 cites W4284988611 @default.
- W4360951939 cites W659147614 @default.
- W4360951939 cites W868724413 @default.
- W4360951939 doi "https://doi.org/10.1029/2022jb025514" @default.
- W4360951939 hasPublicationYear "2023" @default.