Search Results - "PESONEN, Lauri J."

Biomonitoring of air pollution in SW Finland by magnetic and chemical measurements of moss bags and lichens by Salo, Hanna, Bućko, Michał S., Vaahtovuo, Elina, Limo, Jukka, Mäkinen, Joni, Pesonen, Lauri J.

“…Mosses and lichens are among the best biogenic dust collectors and these can be used in detailed studies of airborne pollutants. In this study, magnetic and…”
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Variations in the geomagnetic dipole moment during the Holocene and the past 50 kyr by Knudsen, Mads Faurschou, Riisager, Peter, Donadini, Fabio, Snowball, Ian, Muscheler, Raimund, Korhonen, Kimmo, Pesonen, Lauri J.

“…All absolute paleointensity data published in peer-reviewed journals were recently compiled in the GEOMAGIA50 database. Based on the information in GEOMAGIA50,…”
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Physical properties of the Yaxcopoil-1 deep drill core, Chicxulub impact structure, Mexico by ELBRA, Tiiu, PESONEN, Lauri J.

“…– The Chicxulub structure in Mexico, one of the largest impact structures on Earth, was formed 65 Ma by a hypervelocity impact that led to the large mass…”
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Magnetic Nanoparticles in Human Cervical Skin by Murros, Kari, Wasiljeff, Joonas, Macías-Sánchez, Elena, Faivre, Damien, Soinne, Lauri, Valtonen, Jussi, Pohja, Marjatta, Saari, Pekka, Pesonen, Lauri J, Salminen, Johanna M

“…Magnetic iron oxide nanoparticles, magnetite/maghemite, have been identified in human tissues, including the brain, meninges, heart, liver, and spleen. As…”
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Laboratory measurements of the seismic velocities and other petrophysical properties of the Outokumpu deep drill core samples, eastern Finland by Elbra, Tiiu, Karlqvist, Ronnie, Lassila, Ilkka, Hæggström, Edward, Pesonen, Lauri J.

“…Summary Petrophysical, in particular seismic velocity, measurements of the Outokumpu deep drill core (depth 2.5 km) have been carried out to characterize the…”
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Mesoproterozoic paleogeography: Supercontinent and beyond by Pisarevsky, Sergei A., Elming, Sten-Åke, Pesonen, Lauri J., Li, Zheng-Xiang

“…•We present a series of 1770–1270Ma global paleogeographic reconstructions.•The reconstructions are constrained paleomagnetically and…”
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Palaeomagnetism of Middle Ordovician Carbonate Sequence, Vaivara Sinimäed Area, Northeast Estonia, Baltica by Plado, Jüri, Preeden, Ulla, JÕeleht, Argo, Pesonen, Lauri J., Mertanen, Satu

“…The hill range of Vaivara Sinimäed in northeast Estonia consists of several narrow east- to northeast-trending glaciotectonic fold structures. The folds…”
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Summanen structure: Further geological and geophysical evidence of a meteorite impact event in Central Finland by Hietala, Satu, Jokinen, Jarkko, Lerssi, Jouni, Niskanen, Matti, Pesonen, Lauri J., Plado, Jüri

“…The Summanen structure is located in Central Finland and is one of Finland's 12 known meteorite impact structures. In 2017, the discovery of Summanen was based…”
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Magnetic susceptibility of Middle Ordovician sedimentary rocks, Pakri Peninsula, NW Estonia by Plado, J, Ainsaar, L, Dmitrijeva, M, Põldsaar, K, Ots, S, Pesonen, L J, Preeden, U

“…Magnetic susceptibility (MS), its frequency-dependence and anisotropy of the Middle Ordovician Dapingian and Darriwilian sedimentary sequence from three sites…”
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Paleoproterozoic mafic dyke swarms from the Dharwar craton; paleomagnetic poles for India from 2.37 to 1.88Ga and rethinking the Columbia supercontinent by Belica, Mercedes E., Piispa, Elisa J., Meert, Joseph G., Pesonen, Lauri J., Plado, Jüri, Pandit, Manoj K., Kamenov, George D., Celestino, Matthew

“…•A radiating dyke swarm is confirmed within the Indian subcontinent at 1.88Ga.•Paleomagnetic data from India at 1.88Ga conflict with archetypal Columbia.•We…”
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Identification of magnetic particulates in road dust accumulated on roadside snow using magnetic, geochemical and micro-morphological analyses by Bućko, Michał S., Magiera, Tadeusz, Johanson, Bo, Petrovský, Eduard, Pesonen, Lauri J.

“…The aim of this study is to test the applicability of snow surveying in the collection and detailed characterization of vehicle-derived magnetic particles…”
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Summanen, a new meteorite impact structure in Central Finland by Plado, Jüri, Hietala, Satu, Kreitsmann, Timmu, Lerssi, Jouni, Nenonen, Jari, Pesonen, Lauri J.

“…The Summanen structure (62°39.0′N, 25°22.5′E) is located within the Paleoproterozoic Central Finland Granite Belt, Fennoscandian Shield. The structure is…”
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A paleointensity test of the geocentric axial dipole (GAD) hypothesis by Veikkolainen, Toni, Heimpel, Moritz, Evans, Michael E., Pesonen, Lauri J., Korhonen, Kimmo

“…[Display omitted] •A paleointensity-based test of the geocentric axial dipole hypothesis is presented.•Precambrian and Phanerozoic data are analyzed…”
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Magnetic, Geochemical, and Microstructural Characteristics of Road Dust on Roadsides with Different Traffic Volumes—Case Study from Finland by Bućko, Michał S, Magiera, Tadeusz, Pesonen, Lauri J, Janus, Barbara

“…The combination of magnetic, geochemical, and microstructural methods was used to characterize road dust properties in roadside soils of two sites in southern…”
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On the low-inclination bias of the Precambrian geomagnetic field by Veikkolainen, Toni, Evans, David A.D., Korhonen, Kimmo, Pesonen, Lauri J.

“…•We have modelled the Precambrian geomagnetic field using inclination analysis.•Final analysis is based on crystalline rocks only.•Best fit shows that…”
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Physical properties of the drill core from the El'gygytgyn impact structure, NE Russia by Maharaj, Dharmindar, Elbra, Tiiu, Pesonen, Lauri J.

“…The El'gygytgyn impact structure in northeast Russia was drilled in 2008/2009. The 3.5 Ma old structure has a rim‐to‐rim diameter of 18 km and is the only…”
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PALEOMAGIA: A PHP/MYSQL database of the Precambrian paleomagnetic data by Veikkolainen, Toni, Pesonen, Lauri J., Evans, David A. D.

“…Most paleomagnetic applications require a precise, rationally organized and up-todate catalogue or database of paleomagnetic results worldwide. These include…”
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Paleomagnetic and rock magnetic study of the Mesoproterozoic sill, Valaam island, Russian Karelia by Salminen, Johanna, Pesonen, Lauri J.

“…A paleomagnetic study of the Mesoproterozoic Valaam monzodioritic sill (U-Pb age ∼1458 Ma) was undertaken in an attempt to provide a new well dated…”
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The two Suvasvesi impact structures, Finland: Argon isotopic evidence for a "false" impact crater doublet by Schmieder, Martin, Schwarz, Winfried H., Trieloff, Mario, Buchner, Elmar, Hopp, Jens, Tohver, Eric, Pesonen, Lauri J., Lehtinen, Martti, Moilanen, Jarmo, Werner, Stephanie C., Öhman, Teemu

“…The two neighboring Suvasvesi North and South impact structures in central‐east Finland have been discussed as a possible impact crater doublet produced by the…”
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Advancing Precambrian palaeomagnetism with the PALEOMAGIA and PINT(QPI) databases by Veikkolainen, Toni H., Biggin, Andrew J., Pesonen, Lauri J., Evans, David A., Jarboe, Nicholas A.

“…State-of-the-art measurements of the direction and intensity of Earth’s ancient magnetic field have made important contributions to our understanding of the…”
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