2004 South American Under-23 Championships in Athletics per country for the team trophy was published. 2004 South American Under-23 Championships in Athletics The 1st South American Under-23 Championships in Athletics were held in Barquisimeto, Venezuela, at the Polideportivo Máximo Viloria on June 26–27, 2004. A total of 310 athletes from 13 countries were announced to participate: Argentina (29), Bolivia (5), Brazil (84), Chile (43), Colombia (36), Ecuador (24), Guyana (4), Panamá (2), Paraguay (3), Perú (5), Surinam (2), Uruguay (6), Venezuela (68). Athletes from the Dominican Republic (4), from the Netherlands Antilles (4), and from Trinidad and Tobago (11) were invited as guest athletes in accordance with
Geology of Trinidad and Tobago the North Coast Schist, mafic plutonic rocks, the Tobago Volcanic Group and mafic dikes. Geology of Trinidad and Tobago The geology of Trinidad includes two different islands with different rock forms. The oldest rocks in Trinidad are low-grade metamorphosed phyllite, limestone and quartzite from the late Jurassic. Cretaceous quartzite, phyllite, shale and limestone outcrops around the Toco district. The east of the island is the only area with volcanic rocks exposed at the surface, including basalt, ash and breccia. Phyllite shale spans the north coast. Laventille Formation limestone is associated with these rocks and contains a gypsum layer. Flysch, dark