نتایج جستجو برای: paleo
تعداد نتایج: 2254 فیلتر نتایج به سال:
Abstract Cretaceous formation in the western Tabei Uplift is significant petroleum pay zone Tarim Basin, NW China. For complex relationship between tectonic movement and depositional environment, sequence stratigraphic filling model of whole has not been established yet. Using well logs seismic data this article, evolution process are interpreted involving paleo-uplift, sedimentary water-level....
Using JERS-1 and PALSAR radar images provided by JAXA, we built regional and continental scale mosaics of Sahara that allowed to discover major geological features. The unique capability of L-band SAR to map subsurface structures in arid areas revealed several impact craters and paleo-rivers in
The heterogeneity of deep carbonate reservoirs is strong, it significant for exploration and development to clarify the key stages oil gas accumulation. Taking Ordovician in Gucheng area Tarim Basin as an example, this paper systematically investigated stage model hydrocarbon accumulation using data cores, thin sections, cathode luminescence tests, laser ablation U-Pb isotope geochronometry, bi...
Introduction: The Olympus Mons shield volcano on the northwestern edge of Mars’ Tharsis rise is the largest volcano in the solar system. Its volcanic history is intimately tied with the volcanic and geodynamic history of Tharsis and of Mars as a whole. Previous studies used crater counting to estimate the age of the flanks of Olympus, with typical values of ~200 Myr [1]. However, establishing t...
The petrology and geochemistry of serpentinized harzburgites within the Feather River Ophiolite in northern California were investigated to constrain the origin of serpentinization. Trace-element systematics indicate that serpentinization was associated almost solely with relatively low temperature hydrothermal addition of seawater and not with the addition of metamorphic fluids associated with...
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