neoplasm 发表于 2025-3-23 12:55:38
http://reply.papertrans.cn/31/3007/300697/300697_11.png仔细检查 发表于 2025-3-23 16:23:20
Early Cretaceous Volcanism in Eastern Argentina,n only for the Gramado variety, in agreement with the general trend recognized in the PMP. Geochemical features point out that different ancient subduction processes could have affected the source of the PMP basalts from Misiones Province, as those that occurred during Late Proterozoic–Early Cambria假装是你 发表于 2025-3-23 19:24:28
,Palaeoreconstruction of Pangea During the Early Cretaceous, and Location of Volcanism in Córdoba anic reconstruction was analysed in the framework of a well-known model of seismic anomalies in the lowermost mantle. Cratons and other continental domains older than the Late Palaeozoic were also considered, taking into account that the Early Cretaceous volcanism in South America and Africa could havcrescendo 发表于 2025-3-24 01:22:17
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e subsurface of Chaco-Paraná basin. Recent radiometric dating provided by other authors revealed ages of 134.7 ± 1 and 131.6 ± 2.3 Ma for PMP basalts, whereas interbedded acid rocks show 137.3 ± 1.8 and 134.3 ± 0.8 Ma, respectively. A new .Ar/.Ar dating of 129 ± 1 Ma is here presented for the volcanprojectile 发表于 2025-3-24 11:18:00
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http://reply.papertrans.cn/31/3007/300697/300697_18.pngobscurity 发表于 2025-3-24 20:02:21
https://doi.org/10.1057/9781403948144ic reconstruction was analysed in the framework of a well-known model of seismic anomalies in the lowermost mantle. Cratons and other continental domains older than the Late Palaeozoic were also considered, taking into account that the Early Cretaceous volcanism in South America and Africa could hav欺骗世家 发表于 2025-3-25 03:14:05
egrees, in a geodynamic framework supporting edge-driven convection: (1) the presence of a large thickness contrast between the Río de La Plata craton and the Pampia terrain, (2) an environment of pull-apart basins and (3) a low rate of latitudinal and longitudinal velocity of South America.