Search Results - "Soederlund, Ulf"

Timing and tempo of the Great Oxidation Event by Gumsley, Ashley P., Chamberlain, Kevin R., Bleeker, Wouter, Söderlund, Ulf, de Kock, Michiel O., Larsson, Emilie R., Bekker, Andrey

“…The first significant buildup in atmospheric oxygen, the Great Oxidation Event (GOE), began in the early Paleoproterozoic in association with global…”
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U-Pb baddeleyite ages, distribution and geochemistry of 925 Ma mafic dykes and 900 Ma sills in the North China craton: Evidence for a Neoproterozoic mantle plume by Peng, Peng, Bleeker, Wouter, Ernst, Richard E, Soederlund, Ulf, McNicoll, Vicki

“…Numerous Neoproterozoic mafic dykes, referred to as the Dashigou swarm, are identified in the central and southeastern parts of the North China craton (NCC)…”
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Zircon Growth during Progressive Recrystallization of Gabbro to Garnet Amphibolite, Eastern Segment, Sveconorwegian Orogen by Beckman, Victoria, Möller, Charlotte, Söderlund, Ulf, Andersson, Jenny

“…The interpretation of whether a dated metamorphic zircon generation grew during the prograde, peak or retrograde stage of a metamorphic cycle is critical to…”
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U-Pb geochronology of the plumbing system associated with the Late Cretaceous Strand Fiord Formation, Axel Heiberg Island, Canada: part of the 130-90 Ma High Arctic large igneous province by Kingsbury, Cole G., Kamo, Sandra L., Ernst, Richard E., Söderlund, Ulf, Cousens, Brian L.

“…The c. 130-90 Ma High Arctic Large Igneous Province (HALIP) greatly influenced the geological evolution of Canada’s Arctic Islands along with formerly adjacent…”
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A c. 1710 Ma mafic sill emplaced into a quartzite and calcareous series from Ighrem, Anti-Atlas – Morocco: Evidence that the Taghdout passive margin sedimentary group is nearly 1 Ga older than previously thought by Ikenne, Moha, Söderlund, Ulf, Ernst, Richard E., Pin, Christian, Youbi, Nasrrddine, El Aouli, El Hassan, Hafid, Ahmid

“…The Taghdout Group is a passive margin sequence deposited during rifting and break-up of the northern margin of the West African craton (WAC), culminating with…”
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U-Pb baddeleyite age for the Ottfjället Dyke Swarm, central Scandinavian Caledonides: new constraints on the timing of the Baltoscandian Dyke Swarm, opening of the Iapetus Ocean and Neoproterozoic glaciation of Baltica - comment on the inferred age of Neoproterozoic glaciation on Baltica - a reply by Kumpulainen, Risto A., Hamilton, Mike A., Söderlund, Ulf, Nystuen, Johan Petter

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Geochronology of Mafic Intrusions by Soderlund, Ulf

“…<正>Baddeleyite（ZrO2）is today recognized as a key mineral for dating the emplacement of mantle-derived rocks such as gabbros,alkaline（Si-poor）rocks and…”
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New constraints on the geochronology and Sm-Nd isotopic characteristics of Bas-Drâa mafic dykes, Anti-Atlas of Morocco by El Bahat, Abdelhakim, Ikenne, Moha, Cousens, Brian, Söderlund, Ulf, Ernst, Richard, Klausen, Martin B., Youbi, Nasrrddine

“…The Precambrian inliers of the Anti-Atlas belt across the southern part of Morocco contain numerous mafic dyke and sill swarms, which are thought to represent…”
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Morocco, North Africa: a Dyke Swarm Bonanza by YOUBI, Nasrrddine, ERNST, Richard E., SÖDERLUND, Ulf, BOUMEHDI, Moulay Ahmed, BENSALAH, Mohamed Khalil, AARAB, El Mostafa

“…<正>Morocco hosts a Dyke Swarm Bonanza.Remarkable mafic dyke and sill swarms(plumbing system of Large Igneous Provinces,LIPs)have been recognized in the…”
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Mesoproterozoic bimodal magmatism along the Protogine Zone, S Sweden: three magmatic pulses at 1.56, 1.22 and 1.205 Ga, and regional implications by Söderlund, Ulf, Ask, Rikard

“…The Protogine Zone is a major tectonic zone situated at the eastern boundary of the Sveconorwegian orogenic belt in southern Sweden. This structure hosts…”
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Geochronology and geochemical evidence for a magmatic arc setting for the Ni-Cu mineralised 1.79 Ga Kleva gabbro-diorite intrusive complex, southeast Sweden by Bjaernborg, Karolina, Schersten, Anders, Soderlund, Ulf, D Maier, Wolfgang

“…Magmatic Ni-Cu sulphide deposits are commonly associated with mafic rocks within the marginal areas of Archean or Proterozoic cratons. The Kleva Ni-Cu sulphide…”
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Refining the Stratigraphy of the Taghdout Group by Using the U-Pb Geochronology of the Taghdout Sill(Zenaga inlier, Anti-Atlas, Morocco) by AIT LAHNA, Abdelhak, TASSINARI, Colombo Celso Gaeta, YOUBI, Nasrrddine, ADMOU, Hassan, MATA, João, BOUOUGRI, El Hafid, CHAIB, Latifa, ERNST, Richard E., SÖDERLUND, Ulf, BOUMEHDI, Moulay Ahmed, BENSALAH, Mohamed Khalil, AARAB, El Mostapha

“…<正>The Anti-Atlas belt of southern Morocco is situated on the northern edge of the West African craton(WAC).It corresponds to a broad anticlinorium some…”
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The Timing of the Palaeoproterozoic Great Oxidation Event using Dykes, Sills and Bolcanics of the Ongeluk Large Igneous Province, Kaapvaal Craton by GUMSLEY, Ashley P., CHAMBERLAIN, Kevin R., BLEEKER, Wouter, SÖDERLUND, Ulf, DE KOCK, Michiel O., KAMPMANN, Tobias C., LARSSON, Emilie R., BEKKER, Andrey

“…<正>The Neoarchaean to Palaeoproterozoic Transvaal Supergroup of the Kaapvaal Craton,southern Africa,is one of the best-preserved and most complete…”
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Proterozoic Dyke Swarms of the Siberian Craton and Their Geodynamic Implications by GLADKOCHUB, Dmitry P., DONSKAYA, Tatiana V., ERNST, Richard E., PISAREVSKY, Sergei A., WINGATE, Michael T.D., SÖDERLUND, Ulf

“…<正>We present a summary of late Paleoproterozoic to Neoproterozoic mafic magmatism in the Siberian craton which allows us distinguish following main…”
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Age and Geochemical Characteristics of Major Mafic Dyke Swarms in the Southern Part of the Siberian Craton by DONSKAYA, Tatiana V., GLADKOCHUB, Dmitry P., ERNST, Richard E., PISAREVSKY, Sergei A., MAZUKABZOV, Anatoliy M., SÖDERLUND, Ulf, WINGATE, Michael T.D., HAMILTON, Michael A., DEMONTEROVA, Elena I.

“…<正>Several generations of mafic dyke swarms of different ages and geochemical characteristics cut Precambrian rocks of the southern part of the Siberian…”
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Provenance of Late Ordovician clastic sedimentary rocks in Jämtland, central Sweden by Dahlqvist, Peter, Johansson, Leif, Söderlund, Ulf

“…Zircon grains extracted from three sedimentary units within the Caledonian Lower Allochthon in Jämtland, central Sweden, were investigated for provenance…”
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