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

A Malehmir, R Durrheim, G Bellefleur, M Urosevic… - Geophysics, 2012 - library.seg.org
Due to high metal prices and increased difficulties in finding shallower deposits, the
exploration for and exploitation of mineral resources is expected to move to greater depths …

Downhole physical property logging for iron-oxide exploration, rock quality, and mining: An example from central Sweden

G Maries, A Malehmir, E Bäckström, M Schön… - Ore Geology …, 2017 - Elsevier
Several physical properties obtained from geophysical logging and laboratory
measurements were analyzed in order to characterize iron-oxide mineralization and host …

Deep reflection seismic imaging of iron‐oxide deposits in the Ludvika mining area of central Sweden

M Markovic, G Maries, A Malehmir… - Geophysical …, 2020 - earthdoc.org
Reflection seismic data were acquired within two field campaigns in the Blötberget, Ludvika
mining area of central Sweden, for deep imaging of iron‐oxide mineralization that were …

3D reflection seismic imaging for open-pit mine planning and deep exploration in the Kevitsa Ni-Cu-PGE deposit, northern Finland

A Malehmir, C Juhlin, C Wijns, M Urosevic… - …, 2012 - pubs.geoscienceworld.org
ABSTRACT A 3D reflection seismic survey was conducted over an area of about 9 km 2 at
the Kevitsa Ni-Cu-PGE (platinum group elements) orebody, northern Finland, where open …

Geophysical assessment and geotechnical investigation of quick‐clay landslides–a Swedish case study

A Malehmir, M Bastani, CM Krawczyk, M Gurk… - Near Surface …, 2013 - earthdoc.org
We present a preliminary assessment of the potential utility of various geophysical
measurements carried out over a quick‐clay landslide site in south‐west Sweden. The …

Innovative seismic imaging of volcanogenic massive sulfide deposits, Neves-Corvo, Portugal—Part 1: In-mine array

B Brodic, A Malehmir, N Pacheco, C Juhlin, J Carvalho… - Geophysics, 2021 - library.seg.org
To evaluate and upscale the feasibility of using exploration tunnels in an operating mine for
active-source seismic imaging, a seismic experiment was conducted at the Neves-Corvo …

Determining the three-dimensional geometry of a dike swarm and its impact on later rift geometry using seismic reflection data

TB Phillips, C Magee, CAL Jackson, RE Bell - Geology, 2018 - pubs.geoscienceworld.org
Dike swarm emplacement accommodates extension during rifting and large igneous
province (LIP) formation, with ancient dike swarms serving to localize strain during later …

A review of reflection seismic investigations in three major metallogenic regions: The Kevitsa Ni–Cu–PGE district (Finland), Witwatersrand goldfields (South Africa) …

A Malehmir, E Koivisto, M Manzi, S Cheraghi… - Ore Geology …, 2014 - Elsevier
Effective exploration for mineral deposits depends on a sound understanding of the
processes and geological structures that contributed to their formation. The reflection …

Potential of legacy 2D seismic data for deep targeting and structural imaging at the Neves–Corvo massive sulphide‐bearing deposit, Portugal

GA Donoso, A Malehmir, N Pacheco, V Araujo… - Geophysical …, 2020 - earthdoc.org
Seismic methods are becoming an established choice for deep mineral exploration after
being extensively tested and employed for the past two decades. To investigate whether the …

High-resolution reflection seismic investigations of quick-clay and associated formations at a landslide scar in southwest Sweden

A Malehmir, MU Saleem, M Bastani - Journal of Applied Geophysics, 2013 - Elsevier
We present high-resolution reflection seismic data from four lines (total 1.9 km) that cross a
quick-clay landslide scar located close to the shore of the Göta River in southwest Sweden …