Title: The Matching Between Tectonics and Sedimentary of Albertine Graben
Abstract: Albertine graben is located in the northwest branch of the East African Rift Valley,across the Congo ( Kinshasa ) and Uganda.And it is the biggest and thickest sub-basin in the East African Rift Valley.The largest deposition thickness can be 6000mof the graben.Studies suggest that the East African Rift Valley had gone through three stages mainly,including the Karoo rift period,intraplate rift period and rift period.Albertine graben rift is originally from 12Ma geological historical periods,along with the main rifting at third stage of the tectonic evolution.Then,Albertine graben comes into the main rifting stage from about 9Ma which could be divided into four periods by the main tectonic movement.Influenced by the multiple phrases of the regional technic movements,Albertine graben comes into complex and topic fault system. There exist three sections of fault systems from the north to the south of the basin,the NNE-SSW trend faults are located in the north area,the NE-SW trend faults are located in the middle and the NNE-SSW trend faults located in the south area.Albertine graben also developes a set of thick stratigraphies,which is crust of weathering deposited in the middle Miocene,delta fan and alluvial fan are deposited in the late Miocene to and Early-Pliocene,large delta sedimentary strata deposited in Late Pliocene,and fluvial and delta deposited with the rifting of the Ruwenzori mountain are developed during Pleistocene to Holocene.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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