Essays about: "shield-building lavas"

Found 2 essays containing the words shield-building lavas.

  1. 1. Determining the depth of magma storage by investigation of samples from the eruption on La Palma 1971

    University essay from Institutionen för geovetenskaper

    Author : Anna Svensson; [2013]
    Keywords : canary islands; volcanism; magma storage;

    Abstract : The Canary islands are formed by a slow moving hotspot, from Fuerteventura 20 Ma to el Hierro 1.2Ma years old and La Palma is in the shield building stage of evolution. La Palma had its last eruption 1971 and has had seven eruptions since 1430, which makes it the most active of the islands in our times. READ MORE

  3. 2. A geochemical characterization of the lower part of the Miocene shield-building lavas on Gran Canaria

    University essay from Lunds universitet/Geologiska institutionen

    Author : Romina Peetz; [2009]
    Keywords : Gran Canaria; shield-building lavas; Güigüi Formation; Earth and Environmental Sciences;

    Abstract : Ocean islands offer a great potential to provide information about mantle processes and the composition of the mantle. Gran Canaria is located in the centre of the Canary Island Archipelago and is well suited for such studies. A comprehensive study of the lower Miocene shield-building lavas is performed for this thesis. READ MORE