delta- a low triangular area of alluvial deposits where a river divides before entering a larger body of water; "the Mississippi River delta"; "the Nile delta" diapir- a domed rock formation where a core of rock has moved upward and pierced through the more brittle overlying strata ...
Obtained certificate of participation in workshop “Methods of Regional Geological Mapping in Africa”. “非洲地区地质调查方法”研讨会结业证书。 UN-2 Commission for the Geological Map of the World 世界地质图委员会 UN-2 PAGIS has produced a first high-definition Martian geological map as...
So a map of South Dakota's surface geology, like the clickable map from the South Dakota Geological Survey, looks rather different from this bedrock map. 42 of 50 Tennessee Geologic Map Geologic Maps of the 50 United States Created by Andrew Alden from the U.S. Geological Survey's Geo...
Divisions of Geologic Time shows the major chronostratigraphic (position) and geochronologic (time) units; that is, eonothem/eon to series/epoch divisions. Scientists should refer to the ICS time scale (Ogg, 2009) and resources on the National Geologic Map Database Web site (https://ngmdb.usgs...
South Africa lays the foundation for the idea that these two cratons were once part of a supercraton (the Vaalbara) or the same sedimentary basin40. We note remarkable similarity in the tectonic-sedimentary history between the Yangtze Craton and the Sao Francisco Craton of South America, ...
Hint of a "Lost World" beneath the sea, a survivor of long-gone geologic ages, has been hauled up in a trawler's net off the east coast of South Africa: a fish of a kind supposed to have disappeared utterly from the earth 50 million years ago. Find "extinct" fish alive in South ...
The presence of the Ifewara-Zungeru fault system, a major structural lineament, is indicative of the tectonic activity of the area, and its significance in the broader tectonic evolution of the West African Craton (Abaa 1983). Fig. 1 Geologic map of the area Full size image Fig. 2 ...
Seismotectonic Models for South Africa: Synthesis of Geoscientific Information, Problems, and the Way Forward geologic, aeromagnetic, and gravity maps, as well as aerial photos), plus focused geological reconnaissance based on the results of the literature study. ... Mayshree,Singh,Andrzej,... -...
NGSA (Nigerian Geological Survey Agency) 2009Geological and mineral resource map of Nigeria; Authority of the Federal Republic of Nigeria. Nwachukwu S O 1972 The tectonic evolution of the southern portion of the Benue Trough, Nigeria;Geol. Mag.109411–419. ...
Sokoto basin, otherwise known as the Iullemmeden basin (Fig.1), is part of an extensive elongated sedimentary basin in west Africa. It covered most of Northwestern Nigeria and eastern parts of the Niger Republic. The basin is located between Latitude 10° and 14°N and Longitude 3° to 7...