Reflection Seismic Investigations in the Western Part of the Paleoproterozoic VHMS-Bearing Skellefte District, Northern Sweden

MT and reflection seismics in northwestern Skellefte Ore District, Sweden

“…In the pilot study, the southern part of this anomaly met a set of north-dipping reflectors on Profile 5, also visible on Profile 1, previously associated with the metasedimentary rocks of the Bothnian Basin Tryggvason et al, 2006). The Bothnian Basin outcrops to the south of the Skellefte District and is composed of metamorphosed greywackes and pelites of 1.95 Ga just south of the district in the Barsele and Knaften areas (Wasström, 1993(Wasström, , 1996Eliasson and Sträng, 1998).…”

“…A pilot study consisting of two 20-km long seismic reflection profiles, and an accompanying MT survey (see Figure 1) were acquired in the surroundings of the large Kristineberg mine Tryggvason et al, 2006;Hübert et al, 2009). Given the success of this study, the project VINNOVA 4D modeling of the Skellefte District was launched, and more localized seismic and MT data were acquired in the area García Juanatey et al, 2012;Hübert et al, 2012).…”

Integrated MagnetoTelluric and seismic reflection study: Skellefte Ore District, northern Sweden

“…It is a continuation of a previous study in the Kristineberg area (Tryggvason et al 2006, Hübert et al 2009) towards the mineralizations in Adak. The main objectives of the study are the thickness of the Revsund granites and the structures below them.…”

Seismic methods in mineral exploration and mine planning: A general overview of past and present case histories and a look into the future

“…In contrast, in the western and central parts of Europe, especially in Finland and Sweden, several published accounts of using highresolution seismic methods for mineral exploration and site characterizations have been reported recently (e.g., Juhlin and Palm, 1999;Malehmir et al, 2006, 2009a 2009b; Tryggvason et al, 2006;Schmelzbach et al, 2007). In Finland, the Finnish reflection seismic experiment (FIRE, 2001(FIRE, -2005 and high-resolution reflection seismics for ore exploration (HIRE, 2006(HIRE, -2010 projects acquired more than 2000 km of high-resolution reflection seismic data, large portions of which were over major mining regions (Kukkonen and Lahtinen, 2006;Kukkonen et al, 2011a).…”

“…In Sweden, initial successful imaging of faults and fracture zones within Precambrian crystalline rocks was driven by experimental surveys for mineral exploration and the characterization of radioactive waste storage sites (e.g., Juhlin et al, 1991;Juhlin, 1995). This early successful high-resolution seismic reflection work by Juhlin et al (1991), allowing imaging of fracture zones and lithological contrasts (Figure 13), paved the way for two larger projects in Sweden to study large-scale structures hosting mineral deposits, namely GEORANGE3D (e.g., Malehmir et al, 2006Malehmir et al, , 2007Malehmir et al, , 2009aMalehmir et al, , 2009bTryggvason et al, 2006;Hübert et al, 2009) and VINNOVA4D (Dehghannejad et al, 2010(Dehghannejad et al, , 2012a(Dehghannejad et al, , 2012bSkyttä et al, 2010;Bauer et al, 2011). These projects were of a multidisciplinary nature and allowed the construction of a 3D geologic model of a major mining district of northern Sweden.…”