The discovery of the oldest marine sedimentary formation in Sudan
The discovery of the oldest marine sedimentary formation in Sudan
geology team
A geologist team from the Regional Geology Department of the General Department of Geological Surveys at the General Organization for Geological Research - the technical arm of the Ministry of Minerals managed to discover the oldest marine sedimentary formation in Sudan dating back to the Cambrian period, about more than 500 million years ago, and called it the (Al Barda and Abu Talih) formation.
The team attributed the age determination to a fossil belonging to the phylum Sponges called Archaeocyatha, which are extinct reef-building species living in marine environments. They existed at the beginning of the Cambrian period and became extinct at the end of it, which is more than 500 million years old.
The team that carried out the mission revealed that in 2015 they began geological mapping of the Nile State, and after a detailed study, the possibility of shallow or deep ancient marine environments was noticed through what was discovered of visible and microscopic fossils.
The team indicated that the Sedimentary and Fossils Unit at the General Organization for Geological Research has been working on deducting the Jabal Al-Bareda and Abu Taleh segment and has worked on it in a detailed study by assigning a geological mission in the year 2017 for detailed mapping to take surface and microscopic samples and analyze them outside Sudan in the State of Morocco.
The results of the rocky and microscopic samples are encouraging to resolve Shallow and deep marine environment.
The team indicated that the research operations continued for 5 years until it culminated in its publication in the Journal of Earth Sciences from the Madrig Publishing Center, an international center specialized in publishing scientific papers.
The journal's geologists accepted the researchers.
The team pointed out that the importance of scientific research lies in resolving the formation environment of the marine area, which leads to the minerals expected to be found in marine sedimentary
environments, most of which are ores that are used in the manufacture of drilling fluids ores, in addition to the economic importance in settling the industry of ores of bentonite, barite, calcium carbonate and silica in Sudan and its production through research. geological.
The geological team revealed that, after the encouraging results, it was necessary to drill operations (trenchers) to verify the ores of drilling fluid minerals such as bentonite, barite, white sand and calcium carbonate.
The samples are barite, vermiculite, bentonite (sodium and calcite) and stretches of white sand to distant depths. Trenches were drawn and the detailed geological map was updated.
It is worth noting that the work team that wrote the research, which was published in a specialized scientific journal, was led by a consultant geologist, Dr. Sheikh Muhammad Abdul Rahman and geologists Tariq Jalal Muhammad, Ashraf Muhammad Khairy, Khalid Abdul Rahman Ali, Ibrahim Khalifa Ibrahim, Ahmed Tariq Abdul Rahman and Noureddin Hassan Abkar.
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