نتایج جستجو برای: analogous tectonic evolution
تعداد نتایج: 381740 فیلتر نتایج به سال:
Elucidating geological and biological processes underlying the diversification of Sulawesi tarsiers.
Because of their exceptionally long independent evolution, a range diminution of their Eocene relatives, and a remarkable subsequent diversification in Southeast Asia, tarsiers are of particular importance to evolutionary primatologists. Little is known, however, on the processes shaping the radiation of these small enigmatic primates-especially on the Indonesian island of Sulawesi, their cente...
Tectonic collision between South America and Panama began at 23–25 Ma. The collision is signifi cant because it ultimately led to development of the Panamanian Isthmus, which in turn had wide-ranging oceanic, climatic, biologic, and tectonic implications. Within the Panama Canal Zone, volcanic activity transitioned from hydrous mantle-wedge−derived arc magmatism to localized extensional arc mag...
The Gulf of Mexico is an isolated oceanic basin whose nature, structure and age are not fully elucidated, mostly because seafloor spreading isochrons have been identified in this so far. We compiled processed all publicly available marine magnetic data to produce a new anomaly map the Mexico. This reveals fan-like set intermediate-wavelength (>100 km) anomalies related spreading. Our anomaly-ba...
The Szamotuly Graben covers the southernmost part of Permo-Mesozoic Poznan–Szamotuly Fault Zone. Along this regional discontinuity there are several salt structures, including diapir, over which an extensional graben formed in Paleogene and Neogene. is located north Poznan central-western Poland, NW–SE-trending, ~20 km long, 3–5.5 wide, up to 160 m deep. It filled with Lower Oligocene Neogene s...
The Tharsis province of Mars is a broad region characterized by anomalously elevated topography, a positive free-air gravity anomaly, and extensive volcanic and tectonic activity. The evolution of this region has spanned up to 4 b.y. of Martian history. The traditional explanation of the Tharsis province is that uplift of the lithosphere caused by a thermal, chemical, or dynamical anomaly in th...
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