Oxygenation of Earth’s atmosphere and oceans played a pivotal role in the evolution of the surface environment and life. It is thought that the rise in oxygen over Earth’s history was driven by an increasing availability of the photosynthetic limiting
1. (a) Geodynamic context of the Borborema Province on a paleogeographic reconstruction of West Africa and Northeast South America; (b) Simplified tectonic sketch of the Borborema Province; (c) Geological map of part of the Central Subprovince with the studied area highlighted by the yellow ...
Keywords: Cu isotope of lower continental crust, Cu mobilization, Metasomatism, Fluid interaction, Partial melting 1. Introduction Cu is a chalcophile element that exists widely in the mantle and crust. The Cu budget within the mantle is relatively homogeneous, typically 30 ± 6 ppm in the pr...
A slab fragment wedged under Tokyo and its tectonic and seismic implications. Nature Geoscience, 1, 771-776.Toda, S., R. S. Stein, S. H. Kirby, and S. B. Bozkurt (2008), A slab frag- ment wedged under Tokyo and its tectonic and seismic implications, Nat. Geosci., 1(11), 771-...
The shallow period surge left as the landscape dramatically changed, evidence I could only imagine of violent tectonic plate shifts. Massive rocks the size of houses tilted out of the earth as diagonal slabs, creating deep cracks, swim-throughs and mini-caves before dropping into 25ft (7.6m)...
The future tsunamigenic potential of the Makran subduction zone remains uncertain due to its low and strange offshore seismicity (see Figure 1). In addition, some seismotectonic characteristics of the Makran subduction zone, such as the offshore seismicity, width and dip of the slab, ...
These models have been facilitated in numerous Earth science applications. Since seismic data coverage is still sparse and uneven in many parts of the world, these models have also been used in studies of the Earth’s interior. In global and large-scale regional studies, for instance, the ...
In particular, any tectonic interpretation should realistically consider the space problem involved in the confined setting of this orogen. 3. The orogenic space problem The Araçuaí orogen is referred to as a “horseshoe-shaped confined orogen” (Amaral et al., 2020, following Pedrosa-Soares ...
Cenozoic geological and plate tectonic evolution of SE Asia and the SW Pacific: computer-based reconstructions, model and animations J. Asian Earth Sci., 20 (4) (2002), pp. 353-431, 10.1016/S1367-9120(01)00069-4 View PDFView articleGoogle Scholar Hall, 2011 R. Hall Australia–SE Asia ...
Journal of Geophysical Research: Solid EarthCifelli, F., Mattei, M., and Rossetti, F.: Tectonic evolution of arcu- ate mountain belts on top of a retreating subduction slab: The example of the Calabrian Arc, J. Geophys. Res., 112, B09101, doi:10.1029/2006JB004848, 2007....