Sökning: "VHMS"

Hittade 3 uppsatser innehållade ordet VHMS.

  1. 1. Alteration of the Bjursås Ore Field, Oxberg, Bergslagen District, Sweden

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Tomas Lindeberg; [2015]
    Nyckelord :Bergslagen; Bjursås; Oxberg; alteration; base metals; VHMS; Large box plot; chemostratigraphy; Bergslagen; Bjursås; Oxberg; omvandling; basmetaller; VHMS; Large låddiagram; kemistratigrafiskt-tvärsnitt; vektorer;

    Sammanfattning : The Bjursås ore field is located within the Bergslagen domain of central Sweden just northwest of the town of Falun. The field hosts small scale mines such as the 17th century Floberg copper mine and has been the focus of mineral exploration on several occasions during the 20th and early 21th century, with no major economic deposits being uncovered as of yet. LÄS MER

  3. 2. A reconnassaince study of Rävliden VHMS-deposit, northern Sweden

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Jessica Sidenmark; [2013]
    Nyckelord :Skellefte district; alteration; VHMS; bedrock geology; Skelleftefältet; Rävliden; Earth and Environmental Sciences;

    Sammanfattning : In the Skellefte district today there are about 85 known VHMS-deposits, in the Kristinebergs area there are five known deposits, one of them being Rävliden. The supracrustal rock primarily consists of metavolcanic rock of rhyolitic composition and also metasedimentary volcanic rock. The district has gone through at least two metamorphic events. LÄS MER

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

    Master-uppsats, Geofysik

    Författare :Siddique Akhtar Ehsan; [2011]
    Nyckelord :;

    Sammanfattning : 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. LÄS MER