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Tonian–Ediacaran Tectonometamorphic History of the sa'al Complex,Sinai(Egypt):implications for the Tectonostratigraphic Framework of the Northern Arabian–Nubian Shield

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Acta Geologica Sinica(English Edition) 2022年第5期96卷 1545-1565页

作者： Mohamed W.ALi-BiK Suranjan GHOSH NPRABHAKAR said HAbd El RAHiM Hilmy Emoussa Geological Sciences Department National Research Centre(NRC)DokkiCairo 12622Egypt Department of Earth Sciences Indian Institute of Technology BombayMumbai 400076India

The sa'al Metamorphic Complex(SMC;southern Sinai)encompasses the oldest arc rocks in the Arabian–Nubian Shield,comprising two non-consanguineous metavolcanic successions(the Agramiya Group and the Post-Ra'ayan Formation)separated by the metasediments of the Ra'ayan *** experienced three distinct deformational events(D_(1)–D_(3))and two low-medium grade regional metamorphic events(M_1–M_(2)).The Agramiya Group and the Ra'ayan Formation experienced all tectonometamorphic events(D_1–D_(3)and M_(1)–M_(2)),whereas the Post-Ra'ayan volcanic rocks were only affected by the D_(3)and M_(2)events.D_(1)is an extensional event and is connected to the late Rodinia break-up(~Tonian;900–870 Ma).The M_(1)metamorphism variably affected the older Agramiya Group,the rhyolitic tuffs experiencing lower to upper greenschist facies conditions and the basic and intermediate volcanic rocks undergoing amphibolite facies *** Ra'ayan Formation metasediments experienced upper greenschist to amphibolite facies *** upper greenschist facies M_(2)affected the youngest Post-Ra'ayan volcanic rocks and other stratigraphic *** compressive D_(2)and D_(3)events were coeval with the accretion of dismembered terranes in the assembly of Gondwana.D_(2)can be linked to the Tonian–Cryogenian arc-arc assembly(~880–760 Ma;in Elat and Sinai),whereas D_(3)and the accompanying M_(2)is constrained to 622–600 Ma(Ediacaran).

关键词： deformation microstructure metamorphism sa'al Metamorphic Complex Arabian–Nubian Shield

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Epidemioclinical Profile and immediate Outcome of Low Birth Weight at the Reference Health Center in Commune Vi of the District of Bamako, Mali

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Open Journal of Pediatrics 2023年第2期13卷 235-243页

作者： Mariam Maiga Oumar Coulibaly Mariam Traore Hibrahima Diallo Korotoumou W. Diallo Bourama Kane Alou samake Mamadou Diallo moussa Konate Mamadou Keita Mohamed saydi Ag Med Elmehdi Elansa.i Diarra Sidy Moctar Mamadou Traore Djibril Kassogue Kadiatou Ba Pierre Togo Pediatric Service of the Reference Health Center of the Commune Vi Bamako Mali Pediatric Department of CHU Gabriel Touré Bamako Mali Mali Hospital Bamako Mali Pediatric Service of the Reference Health Center of the Commune V Bamako Mali Timbuktu Regional Hospital Bamako Mali Pediatric Service of the Reference Health Center of the Commune ii Bamako Mali

introduction: Low birth weight is responsible for 9.1 million child deaths each year worldwide. it is the leading cause of perinatal and infant mortality. The objective of this work was to determine the epidemio-clinical profile as well as the future of low birth weight at the Reference Health Center of commune Vi in the district of Bamako, Mali. Methods: Our study was descriptive and prospective over a year from April 1, 2018 to March 31, 2019. Data were taken from hospital records and newborn referral/evacuation forms. Data processing was performed using Epi info software version 3.5.4 and Word. Results: The frequency of low birth weight was 34.94%. Multiparity accounted for 47.84%, sex ratio was 0.93, maternal arterial hypertension was present in 41.66%, genitourinary infection was in 58.37% and delivery was by low way in 86.12%. The majority of newborns had a gestational age between 28sa-33sa (56.52%) and a weight between 1501-1999 grams (47.36%). Mortality accounted for 18.66%. Conclusion: Low birth weight is common in our settings with modifiable risk factors. Practitioners must play on them to minimize its importance.

关键词： Low Birth Weight Future Risk Factors Bamako Mali

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