The combined effects of post-rift magma emplacement and tectonic inversion on the hyper-extended West Iberian Margin are unravelled in detail using multichannel 2D/3D seismic data. Estremadura Spur, acting as an uplifted crustal block bounded by two first-order transfer zones, shows evidence four events each with a distinctive seismic-stratigraphic response that can be used to demonstrate tecto...

The northern Oman margin is a key area for understanding the emplacement of Semail Ophiolite and obduction processes in general. This study uses grid 2D-multichannel seismic lines tied to well data characterize offshore domain reappraises post-obduction history margin. West Muscat, Sohar basin, late Cretaceous Paleogene tectonic mega-sequence records syn- late-obduction stages deposition erosio...

The cranial anatomy of the flat-skulled hadrosaurine Edmontosaurus regalis (Ornithischia: Hadrosauridae) is extensively described here, based on the holotype and paratype collected from the middle part of the Horseshoe Canyon Formation in southern Alberta. Focus is given to previously undocumented features of ontogenetic and phylogenetic importance. This description facilitates overall osteolog...

BACKGROUND The Saururaceae, a very small family of Piperales comprising only six species in four genera, have a relatively scanty fossil record outside of Europe. The phylogenetic relationships of the four genera to each other are resolved, with the type genus Saururus occurring in both eastern North America and East Asia. No extant species occurs in western Eurasia. The most exceptional find s...

In the present study, Kabir kuh Section, related to the Seymareh or Lopha Limestone member (Gurpi Formation) have been Selected. The member has yielded a rich echinoid fauna and 21 species of Echinoid belonging to 14 genera are recognized and described. The Kabir Kuh section yielded two regular echinoid taxa: Salenia nutrix and Goniopygus superbus, one holectypoid taxa: Coptodiscus noemiae, two...

Abstract Methane seeps host rich biotic communities, forming patchy yet highly productive ecosystems across the global ocean. Persistent hydrocarbon emissions fuel chemosynthetic food webs at seeps. were abundant in Western Interior Seaway of North America during Late Cretaceous. This area also experienced intermittent ash falls, which negatively impacted marine fauna. We propose that methane a...

The present-day Magdalena Valley, Eastern Cordillera, and Llanos Basin were part of a regional multiphase basin that started as an extensional in the Jurassic. Then, it was transformed into retroarc foreland Late Cretaceous subsequently separated hinterland during late Eocene. We incorporated new data from Cordillera chronostratigraphically correlated with adjacent basins. Their correlation con...

Most of the Caribbean plate, which currently lies between American continents, represents a mantle plume-derived 8–20 km thick Cretaceous oceanic plateau that was formed in Pacific region and moved eastwards. The northern islands are largely made up dismembered island arc located along western entrance to inter-American (termed Great Arc Caribbean) mid-late Cretaceous. Importantly, timing litho...