Essays about: "Hydrothermal Alteration"

Showing result 1 - 5 of 16 essays containing the words Hydrothermal Alteration.

  1. 1. Structural controls on the shear zone hosted, IOCG-style Kiskamavaara Cu-Co-Au mineralization

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Nicolai Metzger; [2019]
    Keywords : ;

    Abstract : Sweden is the largest producer of iron ore in the European Union, as well as amongst the top producers for base and precious metals. Much of its mineral wealth derives from northern Norrbotten, type locality of the Kiruna-type-magnetite-apatite ores. READ MORE

  2. 2. Characterization of Fe-rich skarns and fluorapatite-bearing magnetite occurrences at the Zinkgruvan Zn-Pb-Ag and Cu deposit, Bergslagen, Sweden

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Filip Ivarsson; [2019]
    Keywords : Zinkgruvan; Bergslagen; Magnetite; REE; Broken Hill-type; Skarn; SEDEX;

    Abstract : Zinkgruvan is a stratiform Zn-Pb-Ag and Cu sulphide deposit hosted by Paleoproterozoic strata in southern Bergslagen, Sweden. The deposit underwent medium-high grade regional metamorphism during the Svecokarelian orogeny, including partial melting of the host succession. READ MORE

  3. 3. A Petrological Investigation of the Host Rocks for the Kuj-Kiirunavaara Ore

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Holger Sandberg; [2018]
    Keywords : Kiirunavaara; optical mineralogy; hydrothermal alteration; electron microprobe; Kiirunavaara; optisk mineralogi; hydrotermal omvandling; elektron-mikrosond;

    Abstract : The Kiirunavaara mine hosts one of the world’s largest apatite-iron ore mineralisations. This ore body has been subject to large amounts of research as well as extensive mining. The ore body is situated between the syenitic foot wall and the rhyodacitic hanging wall, of which consists of differing mineralogy and characteristics. READ MORE

  4. 4. Characterization of the Hydrothermal Alteration around the Björkdal Au Deposit, Skellefte District, Sweden

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Madeleine Erneholm; [2017]
    Keywords : Gold Ore; Mine; Skellefte District; Sweden; Quartz Lode; Hydrothermal Alteration; Petrography; Lithogeochemistry; Intrusion-related Gold;

    Abstract : Sixteen samples from 8 locations within and surrounding the Björkdal mine area in northern Sweden were chosen in order to reevaluate and characterize previous interpretations of the lithology and hydrothermal alteration. Geochemical analysis by ICP-MS was made in order to chemically classify the lithology of the area and petrological studies were made by study of thin sections and core logging. READ MORE

  5. 5. Defining The Geochemical Footprint For Gold Mineralisation Around Birthday Reef.Reefton Goldfield, New Zealand

    University essay from Stockholms universitet/Institutionen för geologiska vetenskaper

    Author : Jonathan Hamisi; [2016]
    Keywords : Orogenic gold; hydrothermal alteration; Reefton; mass changes; geochemical footprint; vectors; exploration; Blackwater;

    Abstract : AbstractOrogenic gold deposits from the Reefton goldfield in New Zealand hosted in Ordovician metasediments of the Greenland group have produce 67 tons of gold before 1951. The Blackwater mine in Waiuta account for about 1/3 of the gold production at Reefton prior 1951. READ MORE