Essays about: "metasedimentary rocks"

Showing result 6 - 10 of 10 essays containing the words metasedimentary rocks.

  1. 6. Petrology of Birimian granitoids in southern Ghana : petrography and petrogenesis

    University essay from Lunds universitet/Geologiska institutionen

    Author : Mikael Grenholm; [2011]
    Keywords : Ghana; Birimian; granitoids; subduction; TTG; water-saturated melting; transcurrent deformation; Earth and Environmental Sciences;

    Abstract : Den Paleoproterozoiska Birimiska terrinen består av vulkaniska och sedimentära bergarter i grönstensbälten och metasedimentära bassänger som har blivit intruderade av två generationer granitoider. Den Birimiska terrinen utgör en stor del av den västafrikanska kratonen. READ MORE

  3. 7. Re-processing and Interpretation of 2D Seismic Line in the Kristineberg Mining Area, Northern Sweden

    University essay from Geofysik

    Author : Siddique Akhtar Ehsan; [2011]
    Keywords : ;

    Abstract : The Skellefte district, 1.90 to 1.80 Ga, is one of the most important base metal mining districts of Sweden with over 85 volcanic-hosted massive sulfide (VHMS) deposits. The study area focuses on the western part of the Skellefte district which contains volcanic, metasedimentary and intrusive rocks. READ MORE

  4. 8. The copper sulphide mineralization of the Zinkgruvan Deposit, Bergslagen, Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Karolina Bjärnborg; [2009]
    Keywords : Zinkgruvan; copper sulphide mineralization; chalcopyrite; cubanite; kopparsulfidmineralisering; kopparkis; kubanit; Earth and Environmental Sciences;

    Abstract : At Zinkgruvan, Sweden, zinc, lead and silver are mined from a stratiform ore body. It is considered syngenetic and situated in metavolcanic and metasedimentary rocks. A fault, the Knalla fault, separates the Zinkgruvan deposit into two parts. READ MORE

  5. 9. The mineral composition of the Burkland Cu-sulphide deposit at Zinkgruvan, Sweden : a supplementary study

    University essay from Lunds universitet/Geologiska institutionen

    Author : Christine Andersen; [2009]
    Keywords : Zinkgruvan; Bergslagen; Åmmeberg-deposit; Burkland Cu-mineralisation; chalcopyrite; hydrothermalcopper sulphide; VMS; SEDEX copper sulphide; SEDEX; Åmmeberg-malmförekomst; Burkland kopparmineralisering; kopparkis; hydrotermal kopparsulfid; Earth and Environmental Sciences;

    Abstract : The Zinkgruvan Mining AB, situated in south-central Sweden in Örebro County, south-east of Åmmeberg, plans to expand their production on a massive, carbonate hosted copper-sulphide ore deposit, the Burkland Cu-mineralization in the eastern part of Knalla. At present mainly Zn-Pb-Ag are mined. READ MORE

  6. 10. Metamorphic study of metasediment from the Kangilinaaq Peninsula, West Greenland

    University essay from Lunds universitet/Geologiska institutionen

    Author : Lina Åberg; [2005]
    Keywords : West Greenland; Nagssugtoqidian Orogen; supracrustal rocks; Kangilinaaq Peninsula; metasedimentary rocks; pelites; correlation; Västra Grönland; Nagssugtoqidiska orogenesen; suprakrustala bergarter; metasedimentära bergarter; peliter; korrelation; Earth and Environmental Sciences;

    Abstract : The Nagssugtoqidian Orogen is represented by an approximately 300 km wide Palaeoproterozoic deformation and metamorphic belt that stretch through the southern and middle parts of west Greenland. The Orogen is characterized and dominated by metamorphosed Archaean orthogneisses with minor supracrustal sequences. READ MORE