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The oldest rocks in Venezuela formed during the Precambrian and occupy the Guiana shield in the southern tier of the country near Guyana and Brazil, east of the El BaUl swell. In the western Guiana Shield, within the Amazonas Territory, Precambrian Roraima Formation zircon grains have been dated with uranium-lead dating and rubidium-strontium ...
Geologia de Venezuela y de sus cuencas petroliferas. 1:162-166; E. von der Osten. 1957. A fauna from the lower Cretaceous Barranquin Formation of Venezuela. Journal of Paleontology 31(3):571-590; O. Renz. 1982. The Cretaceous ammonites of Venezuela 1-132; J. W. Wells. 1944. Cretaceous, tertiary, and recent corals, a sponge, and an alga from ...
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Mount Roraima is located in the northern part of South America, the Pacarema Mountains in the eastern part of the Guyana Plateau, Brazil in the east accounting for 5% of its area, Guyana in the north accounting for 10%, and Venezuela in the south and west accounting for 85%.
The Cariaco Basin is an east-west trending pull-apart basin [1] located on the continental shelf off the eastern coast of Venezuela.It is a deep depression composed of two sub-basins, the eastern basin and the western basin, each of about 1,400 metres (4,600 ft) depth, separated by a saddle of approximately 900 metres (3,000 ft) water-depth.
Venezuela, [c] officially the Bolivarian Republic of Venezuela, [d] is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in the Caribbean Sea. It comprises an area of 916,445 km 2 (353,841 sq mi), and its population was estimated at 29 million in 2022. [18]
The Eastern Venezuela Basin is major sedimentary basin in northeastern Venezuela that contains copious petroleum reserves. The basin lies between several geological structures. The basin lies between several geological structures.
The Maracaibo Basin, also known as Lake Maracaibo natural region, Lake Maracaibo depression or Lake Maracaibo Lowlands, is a foreland basin and one of the eight natural regions of Venezuela, found in the northwestern corner of Venezuela in South America. Covering over 36,657 square km, it is a hydrocarbon-rich region that has produced over 30 ...