Evaluation of dimension stone in gneissic rocks — a case history from southern Finland

Luodes, Hannu; Selonen, Olavi; Pääkkönen, K.

doi:10.1016/s0013-7952(00)00059-4

Cited by 24 publications

(19 citation statements)

References 4 publications

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“…The location of all natural stone deposits is controlled by geological factors. Our studies suggest controls such as: the regional geological setting, the magmatic history of an intrusion, its age and relation to deformations (Selonen, 1998;Selonen et al, 2012), petrology and preferred mineral alignments (including colour homogeneity and appearance) (Selonen, 1998;Selonen et al, 2000Selonen et al, , 2011Arponen et al, 2009), metamorphic grade (Luodes et al, 2000;Selonen et al, 2000), brittle deformation, sheeting and shearing (Selonen, 1998;Selonen et al, 2000;Meriluoto, 2008). Heldal et al (2008) recognize the importance of, e.g.…”

Section: Geological Aspects In Exploration For Natural Stonementioning

confidence: 78%

“…The quarries and prospects with this popular and desirable product occur mainly within areas of high grade (granulite facies) metamorphism ( Fig. 3) (Selonen, 1988(Selonen, , 1994Selonen & Ehlers, 1998a;Luodes et al, 2000Luodes et al, , 2006Selonen et al, 2000;Härmä, 2001). The deposits in the high grade areas consist of garnet-cordierite gneisses, granites or gneissose granites.…”

Section: Metamorphic Aspectsmentioning

confidence: 99%

“…Fracturing is denser in the psammitic rock types because of local competence differences (cf. Luodes et al, 2000). Igneous parent materials produce good sparsely fractured natural stones, although the paleosomes can include more cracks than the neosomes.…”

Section: Metamorphic Aspectsmentioning

confidence: 99%

“…These investigations have been done mainly in connection with the above mentioned studies on prospecting methods or as parts of regional projects conducted by the Geological Survey of Finland (GTK) (e.g. Härmä, 1987;Selonen, 1994Selonen, , 1998Selonen & Ehlers, 1998a;Luodes, 1999Luodes, , 2003Luodes, , 2008Härmä & Selonen, 2000Luodes et al, 2000;Härmä et al, 2001Härmä et al, , 2006. A map of geological potential for natural stone in southern and central Finland is presented in Fig.…”

Section: Introductionmentioning

confidence: 99%

“…1. Modified fromKorsman et al (1988),Selonen (1988),Luodes et al (2000),Selonen et al (2000), andHärmä et al (2006).…”

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Exploration methods for granitic natural stones - Geological and topographical aspects from case studies in Finland

Selonen¹,

Ehlers²,

Luodes³

et al. 2014

Bull Geol Soc Finland

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Regional and local geological constraints for location of natural stone deposits in glaciated terrains of southern and central Finland have been studied and applied to practical exploration for natural stone. A list of geological and topographical aspects to be considered in exploration, is presented. Important aspects refer to: 1. Regional geology of the target area. 2. Magmatism (type and structure of intrusion, relative time of pluton emplacement). 3. Metamorphism (grade, mineral composition, parent material). 4. Deformation (lineaments, shear zones, folding, fault zones, fracture zones, shape preferred mineral orientations), and 5. Topography (relative elevation, micro topography). The proposed aspects can be used as geological guidelines in exploration for granitic natural stones.

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