نتایج جستجو برای: extension tectonics
تعداد نتایج: 152499 فیلتر نتایج به سال:
Interchange, storage, and management of geological data require the development of knowledge-based, standardized vocabularies and data structures. Concepts modeled and designed with the Unified Markup Language (UML), can be mapped into XML Schema Definition Language (XSDL) to compose modular markup languages for each discipline. Developing such efficient, intra-disciplinary, modular and reusabl...
Abstract Subsidence and uplift patterns thermal history of sedimentary basins are controlled by tectonics, mantle dynamics surface processes, such as erosion, sediment transport deposition their links to climatic variations. We use combined thermo-mechanical stratigraphic numerical modelling techniques quantify the between tectonic processes. aim assess evolution subsidence rates asymmetric ext...
Continental rifting and seafloor spreading play a fundamental role in the generation of new crust. However, the distribution of magma and its relationship with tectonics and volcanism remain poorly understood, particularly in back-arc settings. We show evidence for a large, long-lived, off-axis magmatic intrusion located on the margin of the Taupo Volcanic Zone, New Zealand. Geodetic data acqui...
The Eastern Galicia Magnetic Anomaly is the best studied anomaly of Central Iberian Arc. This due to its location, on Lugo-Sanabria gneiss dome, and fact that source rocks crop out in Xistral Tectonic Window. Multiple studies this have been carried out, but still, new results keep shedding light understanding. paper presents first rock magnetic analyses, natural remanent magnetization, anisotro...
Geochronologic dating and compilation of existing age data suggest that Cenozoic activities in the eastern Indo^ Asian collision zone of southeast China and Indochina occurred in two episodes, each with distinctive geochemical signatures, at 42^24 Myr and 16^0 Myr. The older rocks are localized along major strike^slip faults such as the Red River fault system and erupted synchronously with tran...
The realization that Earth may have lost heat more slowly in the past than at present has motivated the search for mechanisms to reduce the efficiency of plate tectonics in the past. Several mechanisms have been proposed, such as the resistance to subduction of thick plates (1) produced by deeper melting at higher mantle temperatures (2). We (3) proposed an alternative mechanism, namely subduct...
erosion phenomenon (plate tectonics process) CESA'98 Nabeul-Hammamet, Tunisia, April 1998 Thomas LEDUC September 1997
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