To what extent deep-time dispersal limitation shapes present-day biodiversity at broad spatial scales remains elusive. Here, we compiled a continental dataset on the distributions of African lizard species in the reptile subfamily Agaminae (a relatively young, Neogene radiation of agamid lizards which ancestors colonized Africa from the Arabian peninsula) and tested to what extent historical co...

We analyzed bathymetric and gravity anomalies along present and paleoaxes of oceanic spreading centers influenced by the Iceland, Azores, Galápagos, Tristan, and Easter hotspots. Residual bathymetry (up to 4.7 km) and mantle Bouguer gravity (up to2340 km) anomalies are maximum at on-axis hotspots and decrease with increasing ridge-hotspot separation distance (D), until becoming insignificant at...

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

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...