نتایج جستجو برای: oligocene
تعداد نتایج: 2183 فیلتر نتایج به سال:
Layer-bound, low-displacement normal faults, arranged into a broadly polygonal pattern, are common in many sedimentary basins. Despite having constrained their gross geometry, we have a relatively poor understanding of the processes controlling the nucleation and growth (i.e., the kinematics) of polygonal fault systems. In this study we use high-resolution 3-D seismic reflection and borehole da...
An 823 m thick glaciomarine Cenozoic section sitting unconformably on the Lower Devonian Beacon Supergroup was recovered in CRP –3. This paper reviews the chronostratigraphical constraints for the Cenozoic section. Between 3 and 480.27 mbsf 23 unconformity bounded cycles of sediment were recorded. Each unconformity is thought to represent a hiatus of uncertain duration. Four magnetozones have b...
Abstract. Considered one of the most significant climate reorganizations Cenozoic period, Eocene–Oligocene Transition (EOT; ca. 34.44–33.65) is characterized by global cooling and first major glacial advance on Antarctica. In southern high latitudes, EOT primarily recorded in marine realm, its extent effect terrestrial vegetation are poorly documented. Here, we present new, well-dated, continuo...
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