[Alumnos] Fwd: [MTNet] Two PhD positions in exploration geophysics - Luleå University of Technology, Sweden

[Marina Rosas Carbajal]

-------- Forwarded Message --------
Subject: [MTNet] Two PhD positions in exploration geophysics - Luleå
University of Technology, Sweden
Date: Tue, 26 Apr 2016 07:52:27 +0000
From: Thorkild Maack Rasmussen <thorkild.maack.rasmussen en ltu.se>
<thorkild.maack.rasmussen en ltu.se>
To: mtnet en complete-mt-solutions.com <mtnet en complete-mt-solutions.com>
<mtnet en complete-mt-solutions.com>

Dear Colleagues,

Two new PhD positions in exploration geophysics are announced at Luleå
University of Technology, Sweden, as described below. Both positions
involve application of electromagnetic methods (TEM, AMT, MT) for mineral
exploration. Other geophysical methods will also be utilized.



http://www.ltu.se/ltu/Lediga-jobb?rmjob=1877&l=en
Ref: 999-2016

*Project description*
Recent three-dimensional inversion of magnetotelluric (MT) data from
northern Scandinavia indicates a very pronounced NW-SE trending electrical
conductivity anomaly in the Kiruna area, Northern Sweden. The anomaly,
hereafter referred as the Kiruna conductivity anomaly, is located in the
lower crust. The character of the Kiruna anomaly is unusual when viewed in
a global perspective, but has interesting similarities to some other
electrical conductivity models of tectonic boundaries with the Archaean and
the Proterozoic. The cause of the Kiruna electromagnetic anomaly is not
known and the purpose of the proposed project is to place and understand
this anomaly in a plate tectonic context and its implications for
mineralizations in the area. The project aim is to investigate if this deep
anomaly is genetically related to the known mineralizations within the
upper crust of the Kiruna area; i.e. the Luossavaara-Kiirunavaara (Kiruna),
Svappavara, Mertainen and Malmberget apatite iron ores, the Aitik porphyry
copper ore and the Nautanen iron oxide copper gold (IOCG) mineralizations
which all are adjacent to the electromagnetic anomaly. The project is
expected to contribute to a better understanding of a possible link
genetically between these mineralizations. These geophysical investigations
will run parallel and in close collaboration with a PhD study in geological
3D and 4D modelling of the subsurface. Based on the combined results,
geological and geophysical 3D- and 4D-models will be constructed for
visualizing the subsurface crustal architecture. The project involves
interpretation of various kinds of geophysical data. MT data are used for
the regional investigations and magnetic, gravity, electromagnetic and
gamma-ray spectrometry data are used for the study of the upper crustal
structures and mineralizations.



http://www.ltu.se/ltu/Lediga-jobb?rmjob=1879&l=en
Ref: 1003-2016

*Project description*
Within the project ARN (Alternative mineral raw materials in northern
Sweden) three PhD students will be employed; one in Exploration geophysics,
one in Ore geology, and one in Applied geochemistry. The PhD students will
work with the same ore deposits but from different perspectives. The ARN
project aims at developing new technologies and innovations related to
exploration of minerals that by the European Union are listed as critical
raw materials; in particular graphite and platinum-gold, and to develop
methodologies for simulation of environmental effects from mining of these
raw materials. We hereby seek a PhD student in Exploration Geophysics, with
focus on improved and innovative exploration methods. The project will work
closely together with the parallel PhD project in Ore Geology. The
intention is to integrate ore geological interpretations with geophysical
measurements from different ore deposits in a way that will benefit both
PhD projects.



Sincerely yours

Thorkild M. Rasmussen

Toivo Korja

Maxim Smirnov
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