During that period he produced his first comic book as a complete author, both writing and illustrating Anna nella jungla, which was followed by the similar Capitan Cormorant and Wheeling. Deposition of the Las Canas Limestone (latest Cretaceous) was followed conformably by Paleocene to middle Eocene wacke, tuff, and algal limestone of the Loma Caballero Formation. A relatively simple method that uses a minimum of specialized equipment, yet allows a large variety of microalgae to be cryopreserved with high viability, can be found on the Cryopreservation of Microalgae page. In fact, its Cretaceous volcanic arc rocks tightly correlate with coeval sections in Hispaniola and Puerto Rico, and the same probably occurs with the ophiolites.

Some contributions postulate a distant Pacific source for Caribbean crust, and discuss its age, subsequent geochemical evolution, and its lateral translation until the time of collision with the South American plate. Inset box 2: onset of SW-dipping subduction at backthrusts, with HP/LT rocks already in hanging wall. The geology of approximately 5000 sq km in central Dominican Republic has been mapped and described. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. Las salmueras fueron oxidantes, saturadas en sulfato, y se habrían generado en la plataforma carbonatada con evaporitas desarrollada en los márgenes de la cuenca durante el Jurásico Superior-Cretácico Inferior.Shape and width of the Mexican backarc is very poorly constrained: it could be much wider, with the arc much farther to the west or southwest, with the arc accordingly longer. La presencia de cuarzo reemplazando a los sulfuros y carbonatos hacia el techo de la mineralización, aunque también en diversos horizontes intercalados en el cuerpo mineral a diferentes profundidades (incluso próximas al muro), pone de manifiesto la existencia de un proceso de silicificación generalizado. and triggered subduction of forearc lithosphere (Escuder-Viruete and Castillo-Carrión 2016;Torró et al. The mineralogical and chemical zoning in the blackwalls (Atg + Chl + Tr adjacent to antigoritite and Chl + Tr adjacent to the tremolitite vein) attest for multi-step metasomatic processes during fluid-rock interaction characterized by advection of infiltrating fluid towards the blackwall and, possibly, by diffusion out of the blackwall towards the fluid-filled vein. La importancia económica de los yacimientos de tipo exhalativo-sedimentario (SEDEX) y el hecho de que sean un objetivo de exploración prioritario radica en que contienen en torno al 50% de las reservas mundiales de Zn y Pb, y suministran más del 25% de la producción anual mundial de estos metales, junto a importantes cantidades de Ag (Goodfellow and Lydon, 2007;Wilkinson, 2014; Emsbo et al.

I hope I will find the time to continue both with this series and with other comic series from the peninsula. As transform lengthens, this material may reach a high (cool) level in the western end of the hanging wall. Escuder-Viruete andPérez-Estaún 2013, 2013;Álvarez-Sánchez and Bernal-Rodríguez 2015;Escuder-Viruete and Castillo-Carrión 2016;Hertwig et al. The Palaeocene-Eocene section contains volcanic arc sequences in SE Cuba and northward thrusted piggy back and foreland basins in central and western Cuba.With the exception of the rocks of the passive Mesozoic margin of North America in northern Cuba, the remaining units represent tectonostratigraphic terranes extending parallel to the axis of the present main island of Cuba. Immobile element concentrations allow identifying two main groups: i) group 1 is consistent with forearc basalts formed during the second stage of melting of (abyssal) peridotite, while ii) group 2 has a compositional pattern like island-arc tholeiitic basalts. En los últimos estadios, la fracturación permitió el ascenso de fluidos más profundos y calientes (~350ºC) que dieron lugar a la precipitación tardía de calcopirita.