First up: Since Captain Marvel (or, as he's now officially known, Shazam) has been beaten by Thor in the '90s DC/Marvel crossover, and Thor has frequently been matched or bested by Hulk over the years in Marvel comic-dom, this one might well seem a little improbable.
Thoughthe political borders of the region have shifted repeatedly inthe past, all of the volcanic portions of the Tibesti massifare now located within northernmost Chad, in the BorkouâEnnediâTibesti province.The Tibesti massif is one of six major exposures ofPrecambrian crystalline rocks found in northern Africa.
There are 115 such mesas in the Gran Sabana in the south-east of Venezuela on the border with Guyana and Brazil, where the highest concentration of tepuis is found. The precipitous mountains tower over the surrounding area by up to 1,000 meters.Tepuis range in elevation from 1,000â3,000 metres (3,300â9,800 ft).Because of their great age, some tepuis exhibit surface features and subsurface caves typical of karst topography, formed in more water-soluble rocks such as limestone.he precipitous mountains tower over the surrounding area by up to 1,000 meters. Tepuis range in elevation from 1,000â3,000 metres (3,300â9,800 ft). Because of their great age, some tepuis exhibit surface features and subsurface caves typical of karst topography, formed in more water-soluble rocks such as limestone.