Essays about: "apatit"

Showing result 16 - 18 of 18 essays containing the word apatit.

  1. 16. When did the Kalahari craton form? : constraints from baddeleyite U-Pb geochronology and geo-chemistry of mafic intrusions in the Kaapvaal and Zimbabwe cratons

    University essay from Lunds universitet/Geologiska institutionen

    Author : Nadine März; [2010]
    Keywords : geography; geology; Kalahari craton; baddeylite U-Pb geochronology; mafic intrusions; Kaapvaal craton; Zimbabwe craton; Earth and Environmental Sciences;

    Abstract : Nordost om Bushveldkomplexen i Kaapvaal kratonen finns en mäktig gångsvärm av nordost-orienterade diabasgångar tillhörande ”the Black Hills dyke swarm”. Med hjälp av U- Pb metoden av mineral baddeleyit daterades fem gångar inom ålderspannet 1.87 - 1.85 Ga, där två av dem ger exakta åldrar på 1852 ± 5 Ma och 1863 ± 7 Ma. READ MORE

  3. 17. Petrology and lithogeochemistry of the host rocks to the Nautanen Cu-Au deposit, Gällivare area, northern Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ian McGimpsey; [2010]
    Keywords : geography; geology; petrology; lithogeochemistry; Nautanen Cu-Au deposit; Gällivare; northern Sweden; Earth and Environmental Sciences;

    Abstract : The Nautanen Cu-Au deposit is located 75 km north of the Arctic circle, and 10 km northeast of the town of Gällivare in northern Sweden. Nautanen is just 8 km west of the giant Malmberget apatite-iron ore deposit and 15 km north of one of Europe’s largest copper producers, the Aitik Cu (Au) porphyry deposit. READ MORE

  4. 18. Skarn minerals and geological structures at Kalkheia, Kristiansand, southern Norway

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ina Vang; [2008]
    Keywords : skarn; marble; Kalkheia; southern Norway; marmor; södra Norge; Earth and Environmental Sciences;

    Abstract : At Kalkheia, Kristiansand, southern Norway, a marble layer was mined from 1826 to 1915. The thickness of the marble varies from 0.5 to 5 metres and the layer can be followed for 700 metres. The area consists of amphibolitic gneiss, granitic gneiss, marble and pegmatites. READ MORE