Search Results - "HÖLTTÄ, P"

Discrimination and origin of the sanukitoid series: Geochemical constraints from the Neoarchean western Karelian Province (Finland) by Heilimo, E., Halla, J., Hölttä, P.

“…Neoarchean late to post-tectonic sanukitoid intrusions are found in the western part of the Karelian Province in Finland. Variable-sized, even-grained to…”
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Occupational asthma, rhinitis and contact urticaria from greenhouse work by Lindström, I, Hölttä, P, Airaksinen, L, Suuronen, K, Suomela, S, Suojalehto, H

“…Abstract Background The current knowledge about occupational allergic diseases among greenhouse workers is scant. Aims To describe greenhouse workers’…”
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Improved resolution of Paleoproterozoic orogenesis: Multi-directional collision tectonics in the Sodankylä belt of northern Finland by Sayab, M., Lahtinen, R., Köykkä, J., Hölttä, P., Karinen, T., Niiranen, T., Leväniemi, H.

“…The geodynamic system of Earth is controlled by the horizontal motion of fragmented tectonic plates due to complex interaction between the mantle and the…”
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Neptunium(V) transport in granitic rock: A laboratory scale study on the influence of bentonite colloids by Elo, O., Hölttä, P., Kekäläinen, P., Voutilainen, M., Huittinen, N.

“…In the present study neptunium(V) uptake by crystalline granitic rock (Kuru Grey granite) and the role of stable and mobile bentonite colloids (MX-80) on the…”
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U–Pb geochronology of Archaean volcanic-sedimentary sequences in the Kuhmo greenstone belt, Karelia Province – Multiphase volcanism from Meso- to Neoarchaean and a Neoarchaean depositional basin? by Lehtonen, E., Heilimo, E., Halkoaho, T., Käpyaho, A., Hölttä, P.

“…•The volcanism of the Kuhmo greenstone belt occurred at ca. 2847–2792Ma.•Volcanic episodes of differing age can be identified.•The sedimentary rocks were…”
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The temporal variation of Mesoarchaean volcanism in the Suomussalmi greenstone belt, Karelia Province, Eastern Finland by Lehtonen, E., Heilimo, E., Halkoaho, T., Hölttä, P., Huhma, H.

“…This study concentrates in the Kiannanniemi area, situated in the Archaean Suomussalmi greenstone belt, the Karelia Province, Fennoscandian Shield. A zircon…”
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Batch sorption and spectroscopic speciation studies of neptunium uptake by montmorillonite and corundum by Elo, O., Müller, K., Ikeda-Ohno, A., Bok, F., Scheinost, A.C., Hölttä, P., Huittinen, N.

“…Detailed information on neptunium(V) speciation on montmorillonite and corundum surfaces was obtained by batch sorption and desorption studies combined with…”
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Erratum to: The temporal variation of Mesoarchaean volcanism in the Suomussalmi greenstone belt, Karelia Province, Eastern Finland by Lehtonen, E., Heilimo, E., Halkoaho, T., Hölttä, P., Huhma, H.

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Analysis of colloids released from bentonite and crushed rock by Lahtinen, M., Hölttä, P., Riekkola, M-L., Yohannes, G.

“…Inorganic colloids are present in natural groundwater but colloids can also be produced from degraded Engineered Barrier System (EBS) materials. The potential…”
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Retardation of mobile radionuclides in granitic rock fractures by matrix diffusion by Hölttä, P., Poteri, A., Siitari-Kauppi, M., Huittinen, N.

“…Transport of iodide and sodium has been studied by means of block fracture and core column experiments to evaluate the simplified radionuclide transport…”
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U-Pb zircon geochronology of selected Archaean migmatites in eastern Finland by Käpyaho, A., Hölttä, P., Whitehouse, M.J.

“…U-Pb SIMS data on eight samples (four mesosome-leucosome pairs) from migmatites in gneiss complexes are presented from the western part of the Archaean…”
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Intracratonic Palaeoproterozoic granitoids in northern Finland: Prolonged and episodic crustal melting events revealed by Nd isotopes and U-Pb ages on zircon by Ahtonen, N., Hölttä, P., Huhma, H.

“…Zircons from twelve Palaeoproterozoic granitoids from the Central Lapland Granitoid Complex (CLGC) and from the Hetta Complex (HC) in northern Finland were…”
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Root–crown ratios of permanent teeth in a healthy Finnish population assessed from panoramic radiographs by Hölttä, P., Nyström, M., Evälahti, M., Alaluusua, S.

“…An unfavourable root–crown (R/C) ratio caused by short dental roots may result from a developmental deficiency, root resorption after orthodontic treatment, or…”
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Structural and metamorphic evolution of the Turku migmatite complex, southwestern Finland by Väisänen, M., Hölttä, P.

“…The Turku migmatite complex in southwestern Finland is a representative area for the type of tectonic and metamorphic evolution seen within the…”
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Palaeoproterozoic adakite- and TTG-like magmatism in the Svecofennian orogen, SW Finland by Väisänen, M., Johansson, A., Andersson, U.B., Eklund, O., Hölttä, P.

“…The Palaeoproterozoic Svecofennian orogen in the Fennoscandian shield is an arc accretionary orogen that was formed at c. 1.92-1.86Ga. Arc accretion, magmatism…”
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The demonstration by ribotyping of the stability of oral Streptococcus mutans infection over 5 to 7 years in children by Alaluusua, S, Alaluusua, S J, Karjalainen, J, Saarela, M, Holttinen, T, Kallio, M, Hölttä, P, Torkko, H, Relander, P, Asikainen, S

“…The distribution of serotypes and ribotypes of mutans streptococcal isolates obtained from seven unrelated children at 5 and at 10 or 12 yr of age was…”
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New monazite U-Pb age constraints on the evolution of the Paleoproterozoic Vaasa granitoid batholith, western Finland by Kotilainen, A.K., Mänttäri, I., Kurhila, M., Hölttä, P., Rämö, O.T.

“…The Vaasa batholith, western Finland, is a large, peraluminous granitoid pluton that crystallized at 1.88–1.87 Ga during the culmination of the Svecofennian…”
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Long-term adverse effects on dentition in children with poor-risk neuroblastoma treated with high-dose chemotherapy and autologous stem cell transplantation with or without total body irradiation by HÖLTTÄ, P, ALALUUSUA, S, SAARINEN-PIHKALA, U. M, WOLF, J, NYSTRÖM, M, HOVI, L

“…Chemo- and radiotherapy may have injurious effects on developing teeth. In this long-term follow-up study among poor-risk neuroblastoma (NBL) survivors our…”
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Petrology and geochemistry of mafic granulite xenoliths from the Lahtojoki kimberlite pipe, eastern Finland by Hölttä, P., Huhma, H., Mänttäri, I., Peltonen, P., Juhanoja, J.

“…The Lahtojoki kimberlite pipe in Kaavi, eastern Finland contains lower crustal mafic granulite xenoliths with a mineral assemblage cpx−amph−pl±grt±opx±bt. The…”
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Effect of supervised use of a fluoride toothpaste on caries incidence in pre-school children by Hölttä, P, Alaluusua, S

“…Caries prevalence of children living in Helsinki is low and little further reduction has been seen during recent years. The aim of the study was to investigate…”
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