Pack, Andreas

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[["dc.bibliographiccitation.firstpage","1135"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Geochimica et Cosmochimica Acta"],["dc.bibliographiccitation.lastpage","1157"],["dc.bibliographiccitation.volume","68"],["dc.contributor.author","Pack, Andreas"],["dc.contributor.author","Yurimoto, Hisayoshi"],["dc.contributor.author","Palme, Herbert"],["dc.date.accessioned","2020-11-05T15:10:54Z"],["dc.date.available","2020-11-05T15:10:54Z"],["dc.date.issued","2004"],["dc.identifier.doi","10.1016/j.gca.2003.07.014"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68486"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.8"],["dc.relation.haserratum","/handle/2/68487"],["dc.relation.issn","0016-7037"],["dc.title","Petrographic and oxygen-isotopic study of refractory forsterites from R-chondrite Dar al Gani 013 (R3.5–6), unequilibrated ordinary and carbonaceous chondrites"],["dc.type","journal_article"],["dc.type.internalPublication","no"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","3159"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","Geochimica et Cosmochimica Acta"],["dc.bibliographiccitation.lastpage","3182"],["dc.bibliographiccitation.volume","69"],["dc.contributor.author","Pack, Andreas"],["dc.contributor.author","Palme, Herbert"],["dc.contributor.author","Shelley, J. Michael G."],["dc.date.accessioned","2020-11-05T15:10:55Z"],["dc.date.available","2020-11-05T15:10:55Z"],["dc.date.issued","2005"],["dc.identifier.doi","10.1016/j.gca.2005.01.013"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68488"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.8"],["dc.relation.issn","0016-7037"],["dc.title","Origin of chondritic forsterite grains"],["dc.type","journal_article"],["dc.type.internalPublication","no"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Meteoritics and Planetary Science"],["dc.bibliographiccitation.volume","50"],["dc.contributor.author","Zipfel, J."],["dc.contributor.author","Palme, Herbert"],["dc.contributor.author","Di Rocco, Tommaso"],["dc.contributor.author","Pack, Andreas"],["dc.date.accessioned","2018-11-07T09:53:56Z"],["dc.date.available","2018-11-07T09:53:56Z"],["dc.date.issued","2015"],["dc.identifier.isi","000358591900381"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/36433"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Hoboken"],["dc.relation.conference","78th Annual Meeting of the Meteoritical-Society"],["dc.relation.eventlocation","Berkeley, CA"],["dc.title","Inclusion AF in Allende revisited - relationship to dark inclusions?"],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","5558"],["dc.bibliographiccitation.issue","22"],["dc.bibliographiccitation.journal","Geochimica et Cosmochimica Acta"],["dc.bibliographiccitation.lastpage","5573"],["dc.bibliographiccitation.volume","72"],["dc.contributor.author","Borisov, Alexander"],["dc.contributor.author","Pack, Andreas"],["dc.contributor.author","Kropf, Andreas"],["dc.contributor.author","Palme, Herbert"],["dc.date.accessioned","2018-11-07T11:09:08Z"],["dc.date.available","2018-11-07T11:09:08Z"],["dc.date.issued","2008"],["dc.description.abstract","We report experimentally determined 1 atm olivine/melt D-Na partitioning data for low fO(2), a variety of melt compositions and a temperature range of 1325-1522 degrees C. We demonstrated that high-current electron microprobe analyses (EPMA, I = 500 nA, 600 s on the peak) allow quantitative determination of Na2O in olivine down to similar to 10 mu g/g. The mean olivine/melt D-Na from 12 experimental runs is 0.0031 +/- 0.0007 (1 sigma). This is the recommended value for low pressures and a wide range of natural compositions. This result is applied to the problem of the origin of alkalis in chondrules and the formation of chondritic refractory forsterite grains. The data on Semarkona (LL3.0) chondrules show that Na2O is primordial and was present during olivine crystallization. For refractory forsterite grains from Murchison (CM2), we demonstrate that high CaO contents are not a result of equilibration with Na2O-rich melts, but require high activities of CaO during their formation. (C) 2008 Elsevier Ltd. All rights reserved."],["dc.description.sponsorship","DFG [PA-909/2-1, PA-909/3-1]"],["dc.identifier.doi","10.1016/j.gca.2008.08.009"],["dc.identifier.isi","000260562900014"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/52942"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","0016-7037"],["dc.title","Partitioning of Na between olivine and melt: An experimental study with application to the formation of meteoritic Na2O-rich chondrule glass and refractory forsterite grains"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1470"],["dc.bibliographiccitation.issue","10"],["dc.bibliographiccitation.journal","Meteoritics and Planetary Science"],["dc.bibliographiccitation.lastpage","1483"],["dc.bibliographiccitation.volume","46"],["dc.contributor.author","Pack, Andreas"],["dc.contributor.author","Vogel, Ingo"],["dc.contributor.author","Rollion-Bard, Claire"],["dc.contributor.author","Luais, Beatrice"],["dc.contributor.author","Palme, Herbert"],["dc.date.accessioned","2018-11-07T08:51:07Z"],["dc.date.available","2018-11-07T08:51:07Z"],["dc.date.issued","2011"],["dc.description.abstract","We report Si concentrations in the metal phases of iron meteorites. Analyses were performed by secondary ion mass spectrometry using a CAMECA 1270 ion probe. The Si concentrations are low (0.09-0.46 mu g g(-1)), with no apparent difference in concentration between magmatic and nonmagmatic iron meteorites. Coexisting kamacite and Ni-rich metal phases have similar Si contents. Thermodynamic calculations show that Fe,Ni-metal in equilibrium with silicate melts at temperatures where metal crystallizes should contain approximately 100 times more Si than found in iron meteorites in this work. The missing Si may either occur as tiny silicate inclusions in metal or it may have diffused as Si-metal into surrounding silicates at low temperatures. In both cases, extensive low-temperature diffusion of Si in metal is required. It is therefore concluded that low Si in iron meteorites is a result of subsolidus reactions during slow cooling."],["dc.identifier.doi","10.1111/j.1945-5100.2011.01239.x"],["dc.identifier.isi","000296247400003"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/21856"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1086-9379"],["dc.title","Silicon in iron meteorite metal"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Meteoritics and Planetary Science"],["dc.bibliographiccitation.volume","46"],["dc.contributor.author","Friend, P."],["dc.contributor.author","Zipfel, J."],["dc.contributor.author","Gellissen, M."],["dc.contributor.author","Kleinschrodt, R."],["dc.contributor.author","Muenker, Carsten"],["dc.contributor.author","Schulz, T."],["dc.contributor.author","Ott, U."],["dc.contributor.author","Herrmann, S."],["dc.contributor.author","Pack, Andreas"],["dc.contributor.author","Stracke, A."],["dc.contributor.author","Palme, Herbert"],["dc.date.accessioned","2018-11-07T08:54:30Z"],["dc.date.available","2018-11-07T08:54:30Z"],["dc.date.issued","2011"],["dc.format.extent","A69"],["dc.identifier.isi","000293094700134"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/22684"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Hoboken"],["dc.relation.conference","74th Annual Meeting of the Meteoritical-Society"],["dc.relation.eventlocation","London, ENGLAND"],["dc.relation.issn","1086-9379"],["dc.title","NORTHWEST AFRICA 5492, A UNIQUE UNGROUPED CHONDRITE"],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Meteoritics and Planetary Science"],["dc.bibliographiccitation.volume","46"],["dc.contributor.author","Zipfel, J."],["dc.contributor.author","Chaussidon, M."],["dc.contributor.author","Rollion-Bard, Claire"],["dc.contributor.author","Palme, Herbert"],["dc.contributor.author","Pack, Andreas"],["dc.date.accessioned","2018-11-07T08:54:31Z"],["dc.date.available","2018-11-07T08:54:31Z"],["dc.date.issued","2011"],["dc.format.extent","A262"],["dc.identifier.isi","000293094700520"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/22687"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Malden"],["dc.relation.eventlocation","London, ENGLAND"],["dc.relation.issn","1086-9379"],["dc.title","LITHOPHILE TRACE ELEMENTS IN MAGMATIC IRON METEORITES"],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]