Essays about: "gråvacka"

Found 2 essays containing the word gråvacka.

1. 1. The Formation of Granite Magma Chambers in the Mourne Mountains, Northern Ireland

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Maria Björkgren; [2017]
   Keywords : granite; magma chamber; Mourne Mountains; space problem; AMS; granit; magmakammare; Mournebergen; space problem; AMS;

   Abstract : The Mourne Mountains situated in County Down, Northern Ireland, mainly consists of solidified granite magma chambers that intruded ~ 56 million years ago into the surrounding greywacke. How granite magma chambers are emplaced in the crust has for years been a debate amongst scientist of volcanology, and is referred to as the ‘space problem’ debate. READ MORE

3. 2. The alteration mineralogy of Svartliden, Sweden

   University essay from Lunds universitet/Geologiska institutionen

   Author : Lawrence Nilsson; [2013]
   Keywords : Svartliden; alteration mineralogy; Fäboliden; amphibolite and granulite facies; Dragon Mining Sweden; Earth and Environmental Sciences;

   Abstract : The alteration mineralogy of Svartliden, Sweden Svartliden mine is an open pit in northern Sweden close to the Skellefte field in the “Gold Line”, which is a zone associated with gold mineralization. Svartliden gold mine was discovered by amateur geologists who were prospecting after boulders that contained low sulphide contented. READ MORE