Matches in SemOpenAlex for { <https://semopenalex.org/work/W3199067417> ?p ?o ?g. }
- W3199067417 endingPage "229073" @default.
- W3199067417 startingPage "229073" @default.
- W3199067417 abstract "The northern continental margin of the South China Sea (SCS) is a unique rifted margin that experienced weak magmatism in the syn-rift stage and intense magmatism in the post-rift stage. This area also exhibits a complicated relationship between crustal extension and magmatism. We present the tomographic inversion of seismic P-wave and S-wave velocity models, as well as the Vp/Vs ratio model, in order to delineate the crustal extension and post-rift magmatic features. The velocity structure is created by forward modelling (RayInvr) and travel-time tomographic inversion (Tomo2D). The results suggest that Mesozoic strata near the Dongsha area has a maximum thickness of ~4.6 km with a Vp of 3.5–5.5 km/s, a Vs of 1.9–3.1 km/s, and Vp/Vs ratios of 1.71–1.76, indicating a low porosity and high degree of diagenesis. High-velocity lower crust (HVLC) is imaged in our model, with a Vp of 7.0–7.5 km/s ± 0.05–0.25 km/s and Vp/Vs ratios of 1.70–1.82 ± 0.05. The composition of the HVLC is mainly mafic, we considered it is related to magmatic underplating due to decompression melting caused by crustal extension. The crustal anomalies with high Vp/Vs ratios of 1.80–1.85 ± 0.04 are identified, which are the product of post-rift magmatic intrusions. The seaward increase in continental lower crustal Vp/Vs ratios, suggests an increasing level of mafic intrusion into the continental crust. We attributed crustal hyperextension to increasing fault density, which caused intense magmatic intrusion and thinner HVLC beneath the continent-ocean transition (COT)." @default.
- W3199067417 created "2021-09-27" @default.
- W3199067417 creator A5004250949 @default.
- W3199067417 creator A5017217840 @default.
- W3199067417 creator A5047970324 @default.
- W3199067417 creator A5050621044 @default.
- W3199067417 creator A5074714827 @default.
- W3199067417 creator A5082197567 @default.
- W3199067417 date "2021-10-01" @default.
- W3199067417 modified "2023-09-23" @default.
- W3199067417 title "Crustal extension and magmatism along the northeastern margin of the South China Sea: Further insights from shear waves" @default.
- W3199067417 cites W1494282216 @default.
- W3199067417 cites W1553799086 @default.
- W3199067417 cites W1592076167 @default.
- W3199067417 cites W1595512453 @default.
- W3199067417 cites W1630919297 @default.
- W3199067417 cites W1655229845 @default.
- W3199067417 cites W1830716544 @default.
- W3199067417 cites W1963540708 @default.
- W3199067417 cites W1964329044 @default.
- W3199067417 cites W1967827341 @default.
- W3199067417 cites W1968137450 @default.
- W3199067417 cites W1968293623 @default.
- W3199067417 cites W1970060324 @default.
- W3199067417 cites W1973012528 @default.
- W3199067417 cites W1976665752 @default.
- W3199067417 cites W1978088230 @default.
- W3199067417 cites W1980006875 @default.
- W3199067417 cites W1980033617 @default.
- W3199067417 cites W1984516506 @default.
- W3199067417 cites W1994320455 @default.
- W3199067417 cites W1999267088 @default.
- W3199067417 cites W2000936634 @default.
- W3199067417 cites W2001820253 @default.
- W3199067417 cites W2002421982 @default.
- W3199067417 cites W2016301670 @default.
- W3199067417 cites W2018314772 @default.
- W3199067417 cites W2021619421 @default.
- W3199067417 cites W2022648729 @default.
- W3199067417 cites W2022949233 @default.
- W3199067417 cites W2023273714 @default.
- W3199067417 cites W2025841258 @default.
- W3199067417 cites W2026932112 @default.
- W3199067417 cites W2029850597 @default.
- W3199067417 cites W2034753142 @default.
- W3199067417 cites W2040720309 @default.
- W3199067417 cites W2041042958 @default.
- W3199067417 cites W2046640225 @default.
- W3199067417 cites W2047093229 @default.
- W3199067417 cites W2048404133 @default.
- W3199067417 cites W2048630960 @default.
- W3199067417 cites W2049428063 @default.
- W3199067417 cites W2054561274 @default.
- W3199067417 cites W2057265098 @default.
- W3199067417 cites W2060811640 @default.
- W3199067417 cites W2070206835 @default.
- W3199067417 cites W2070215903 @default.
- W3199067417 cites W2070892791 @default.
- W3199067417 cites W2075398079 @default.
- W3199067417 cites W2076954827 @default.
- W3199067417 cites W2081334116 @default.
- W3199067417 cites W2082075223 @default.
- W3199067417 cites W2083125257 @default.
- W3199067417 cites W2085627371 @default.
- W3199067417 cites W2093036886 @default.
- W3199067417 cites W2097019466 @default.
- W3199067417 cites W2122900859 @default.
- W3199067417 cites W2123989880 @default.
- W3199067417 cites W2125605802 @default.
- W3199067417 cites W2130317456 @default.
- W3199067417 cites W2137258252 @default.
- W3199067417 cites W2143424981 @default.
- W3199067417 cites W2168011730 @default.
- W3199067417 cites W2168586167 @default.
- W3199067417 cites W2168959606 @default.
- W3199067417 cites W2340048441 @default.
- W3199067417 cites W2415474489 @default.
- W3199067417 cites W2429577639 @default.
- W3199067417 cites W2593550232 @default.
- W3199067417 cites W2619321803 @default.
- W3199067417 cites W2790840564 @default.
- W3199067417 cites W2813534799 @default.
- W3199067417 cites W2887559521 @default.
- W3199067417 cites W2905237723 @default.
- W3199067417 cites W2908741410 @default.
- W3199067417 cites W2913224935 @default.
- W3199067417 cites W2964313148 @default.
- W3199067417 cites W2971142598 @default.
- W3199067417 cites W2985594352 @default.
- W3199067417 cites W2997382205 @default.
- W3199067417 cites W2998722390 @default.
- W3199067417 cites W3004087401 @default.
- W3199067417 cites W3004777078 @default.
- W3199067417 cites W3015288009 @default.
- W3199067417 cites W3129956231 @default.
- W3199067417 cites W3154153767 @default.
- W3199067417 cites W4234926460 @default.
- W3199067417 cites W4300998818 @default.