Essays about: "Permian"

Found 5 essays containing the word Permian.

  1. 1. Internal geology and emplacement processes of Kimberlites, Case Study from the Tsabong Kimberlite Field, Botswana

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Mpho Ndebele; [2020]
    Keywords : Kimberlites; Geology; Emplacement Processes; Botswana;

    Abstract : The Crateceous (85 Ma) MK1 pipe is part of the Tsabong kimberlite cluster located approximately550km south west of Gaborone and geologically found within the Kapvaal Craton. The Tsabongkimberlite field consists of 86 known kimberlites. The MK1 pipe is the largest of this cluster at 140ha,1. READ MORE

  3. 2. ANALYSIS AND INTERPRETATION OF 2D/3D SEISMIC DATA OVER DHURNAL OIL FIELD, NORTHERN PAKISTAN

    University essay from Geofysik

    Author : Fatima Afsar; [2013]
    Keywords : Seismic Data Processing; 2D 3D Seismic Data Interpretation; Velocity Modelling; Oil and gas exploration; Dhurnal Oil Field; Synthetic Seismogram;

    Abstract : The study area, Dhurnal oil field, is located 74 km southwest of Islamabad in the Potwar basin of Pakistan. Discovered in March 1984, the field was developed with four producing wells and three water injection wells. Three main limestone reservoirs of Eocene and Paleocene ages are present in this field. READ MORE

  4. 3. 40Ar/39Ar datering av basalter i Skåne, S Sverige : bevis för två pulser vid 191-178 Ma och vid 110 Ma, samt deras relation till uppsprickning av Pangea

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ingemar Bergelin; [2006]
    Keywords : Skåne; basalt; jura; krita; geokronologi; 40Ar 39Ar; geokemi; Scania; Jurassic; Cretaceous; geochronology; geochemistry; Earth and Environmental Sciences;

    Abstract : Under karbon och perm sammansmälte huvuddelen av jordens kontinenter till en gigantisk landmassa som fått namnet Pangea. Denna blev efterhand instabil och började mot slutet av trias, men framför allt under Jura, att fragmentera i ett antal mindre kontinentala plattor. Detta skedde under omfattande och ibland våldsam vulkanism. READ MORE

  5. 4. Trace fossils from the Permian of western Dronning Maud Land, Antarctica

    University essay from Lunds universitet/Geologiska institutionen

    Author : Jenny Sälgeback; [1999]
    Keywords : trace fossils; Permian; Antarctica; non-marine; Scoyenia ichnofacies; Aulichnites; Cochlichnus; Helminthopsis; Lockeia; Palaeophycus; Skolithos; Earth and Environmental Sciences;

    Abstract : Non-marine trace fossils from the Permian of Antarctica are systematically described and possible depositional environments are discussed. The studied material derives from sedimentary sequences consisting mainly of sandstone and shale at Vestfjella and Kirwanveggen, western Dronning Maud Land. READ MORE

  6. 5. Palaeogeography and sedimentation models for the Whitehill-Irati sea during the Permian of South America and southern Africa

    University essay from Lunds universitet/Geologiska institutionen

    Author : Mika Remelin; [1994]
    Keywords : mesosaurid reptiles; mesosaurus tenuidens; stereosternum tumidum; brazilosaurus sanpauloensis; endemic; aquatic; continental drift; Whitehill Shale Formation; Irati Shale Formation; Parana basin; Karoo basin; Namibia; anoxic; stratification; Ecca Group; Karoo sequence; palaeogeography; sedimentation models; Earth and Environmental Sciences;

    Abstract : The endemic mesosaurid reptiles of the Whitehill-Irati sea in southern Africa and South America during the Permian were studied with preference for the Namibian material. To date three valid mesosaurid species have been described of which two occur on both continents. READ MORE