 | Ulrych, Jaromír, Krmíček, Lukáš, Teschner, Claudia, Řanda, Zdeněk, Skála, Roman, Jonášová, Šárka, Fediuk, Ferry, Adamovič, Jiří, Pokorný, Richard (2017) Tachylyte in Cenozoic basaltic lavas from the Czech Republic and Iceland: contrasting compositional trends. Mineralogy and Petrology, 111 (5) 761-775 doi:10.1007/s00710-016-0483-x | Journal (article/letter/editorial) | | Tachylyte in Cenozoic basaltic lavas from the Czech Republic and Iceland: contrasting compositional trends...in host alkaline lava flows of the Kozákov volcano, Czech Republic, (ii) (sub)angular xenoliths in alkaline...of the feeding channel of the Bukovec volcano, Czech Republic, and (iii) paleosurface of a tholeiitic...flow from Hafrafell, Iceland. The tachylyte from Kozákov is phonotephrite to tephriphonolite in composition...tholeiitic basalt composition. The tachylyte from Kozákov, compared with the host rock, revealed a substantial |  | Ackerman, L., Špaček, P., Medaris Jr, G., Hegner, E., Svojtka, M., Ulrych, J. (2012) Geochemistry and petrology of pyroxenite xenoliths from Cenozoic alkaline basalts, Bohemian Massif. Journal of GEOsciences, 57 (4) 199-219 | Journal (article/letter/editorial) | | of the Czech Republic, Rozvojová 269, 165 00 Prague 6, Czech Republic; ackerman@gli.cas.cz Czech Geological...Prague 5, Czech Republic Institute of Geophysics v.v.i., Academy of Sciences of the Czech Republic, Boční...Boční II, 141 34 Prague 4, Czech Republic Department of Geoscience, University of Wisconsin-Madison, WI 53706...hosted by Tertiary–Quaternary volcanic rocks from Kozákov (NE Bohemia), Dobkovičky and Kuzov (Ohře/Eger Rift)...Rift), and Lutynia (SW Poland). Three Kozákov xenoliths record a complex nature and evolution. As suggested |  | Matusiak-Małek, Magdalena, Puziewicz, Jacek, Ntaflos, Theodoros, Grégoire, Michel, Downes, Hilary (2010) Metasomatic effects in the lithospheric mantle beneath the NE Bohemian Massif: A case study of Lutynia (SW Poland) peridotite xenoliths. Lithos, 117 (1) 49-60 doi:10.1016/j.lithos.2010.02.005 | Journal (article/letter/editorial) | | 2010 Available online 19 February 2010 Keywords: Lherzolite–harzburgite xenoliths Upper mantle Chromatographic...Poland Cenozoic basanite a b s t r a c t Spinel lherzolite and spinel harzburgite mantle xenoliths occur in...occurs in the clinopyroxene and vice versa. Al–Mg spinel occurs in symplectites with clinopyroxene. Second...(Fo88.0–91.7, Ca up to 1800 ppm), clinopyroxene and spinel occur in small interstitial patches containing...recorded incipient modal metasomatism. Clinopyroxene–spinel symplectites and ortho-/clinopyroxene exsolutions |  | Kochergina, Yulia V., Ackerman, Lukáš, Erban, Vojtěch, Matusiak-Małek, Magdalena, Puziewicz, Jacek, Halodová, Patricie, Špaček, Petr, Trubač, Jakub, Magna, Tomáš (2016) Rhenium–osmium isotopes in pervasively metasomatized mantle xenoliths from the Bohemian Massif and implications for the reliability of Os model ages. Chemical Geology, 430. 90-107 doi:10.1016/j.chemgeo.2016.03.020 | Journal (article/letter/editorial) | | Prague, Czech Republic 2 * Czech Geological Survey, Klárov 3, CZ-11821 Prague, Czech Republic TE D...Geology, The Czech Academy of Sciences, Rozvojová 269, CZ-16500 Prague, Czech Republic 4 Institute of...Masaryk University, Tvrdého 12, CZ-60200 Brno, Czech Republic CE P 3 MA Tomáš Magna2 AC corresponding...González-Jiménez and Villaseca, 2014) or IP Kozákov in the Czech Republic (Ackerman et al., 2009). The effects... ACCEPTED MANUSCRIPT dataset from the single locality Kozákov (Ackerman et al., 2009) and preliminary data from |  | | Journal (article/letter/editorial) | | Petrology of spinel lherzolite xenoliths and host basaltic lava from Ngao Voglar volcano, Adamawa Massif...rtemdjim@yahoo.fr Corresponding author Spinel-bearing lherzolite xenoliths have been recovered from Mio–Pliocene...Mio–Pliocene alkaline basalt flows of the Ngao Voglar volcano, 35 km northwest of Ngaoundere in the Adamawa volcanic...conditions of the upper mantle beneath the Ngaoundere region. The xenoliths exhibit protogranular textures and...(En89–91Wo1Fs8–10), Cr-diopside (En49–52Wo44–49Fs1.5–5) and spinel (Mg# ~79.2, Cr# ~10.7). Thermobarometric calculations |  | | Journal (article/letter/editorial) | | in Europe. These xenoliths are mainly anhydrous spinel lherzolites and harzburgites, with rare olivine...compositions observed in xenoliths of anhydrous spinel lherzolites and harzburgites from the neigbouring...harzburgites respectively. Melting took place in the spinel lherzolite field except for a few lherzolites that may...in the presence of garnet and continued in the spinel field. The formation of DMM lherzolites as refertilisation...hand, Bianchini et al. (2007) suggest that this region of the SCLM is made up of lherzolites and harzburgites |  | | Journal (article/letter/editorial) | | Textures in spinel peridotite mantle xenoliths using micro-CT scanning: Examples from...Petrone, C.M., HumphreysWilliams, E., Textures in spinel peridotite mantle xenoliths using micro-CT scanning:...pertain. ACCEPTED MANUSCRIPT 1 Textures in Spinel Peridotite Mantle Xenoliths using Micro-CT SC... CE P TE Abstract Spinel pyroxene-clusters, which are intergrowths of spinel, orthopyroxene and clinopyroxene...samples from both locations has revealed a range of spinel textures from small <2 mm microcrystals which can |  | | Journal (article/letter/editorial) | | of Sciences of the Czech Republic, Boční II/1401, 141 31 Prague 4, Czech Republic a r t i c l e i n...presence of bodies of eclogites and garnet- and spinel-bearing peridotites incorporated into granulites...in the region during 1992–2010 within several passive seismic experiments. K—Kozákov volcano. asthenosphere...outcropping in the southern part of the studied region, represents the largest high-grade crystalline...2001; Massonne, 2011), as well as with garnet and spinel peridotites (Schmädicke et al., 2010; Faryad, 2011) |  | | Journal (article/letter/editorial) | | ORIGINAL PAPER Petrology of spinel lherzolite xenoliths from Youkou volcano, Adamawa Massif, Cameroon Volcanic...types in pyroclastites. Spinel-bearing lherzolite xenoliths from the Youkou volcano generally exhibit protogranular...(En89 − 91Fs8.7−9.8Wo0.82−1.13), clinopyroxene, spinel (Cr#Sp = 9.4–13.8), and in some cases amphibole...1). Mineral equilibration temperatures in the lherzolite xenoliths have been estimated from three–two...melting. The degree of partial melting estimated from spinel compositions is less than 10%: evidences for much |  | | Journal (article/letter/editorial) | | refertilization in the major element chemistry of four-phase spinel peridotite xenoliths Antal Embey-Isztin* Department...versus Mg#-in-olivine plots was applied to ∼1,500 spinel peridotite xenoliths from worldwide localities...refertilization, petrology Introduction Four-phase spinel peridotite xenoliths occurring in alkaline basaltic...undepleted lherzolites are rich in clinopyroxene and spinel, whereas depleted residual harzburgites have less...less than 5% clinopyroxene and small quantities of spinel, which are compensated by higher amounts of olivine |  | | Journal (article/letter/editorial) | | xenoliths consist primarily of harzburgite and minor lherzolite and exhibit a porphyroclastic texture. Trace...processes. Incompatible trace element patterns for the spinel peridotite xenoliths indicate varying degrees of...fractional melting (from 6 to 11%). The Kurose spinel peridotites appear to have undergone melt extraction...Editor: C.Manikyamba Nguyen affecting spinel peridotites. The spinel peridotites originated from depths...Kurose islet, lithospheric mantle, metasomatism, spinel peridotite 1 | I N T RO D U CT I O N in terms |  | | Journal (article/letter/editorial) | | contains xenolith of peridotite PT (mostly lherzolite) and clinopyroxenite/olivine clinopyroxenite...xenoliths from Cenozoic volcanic rocks from Czech Republic and RI Poland (central Europe) have been...Grodziec xenoliths to other xenolith localities in the region and show differences in the intensity and nature...spread from France, through Germany, Austria to Czech Republic and Poland and are collectively termed the...volcanic rocks in SW Poland (Lower and Opole Silesia region, Sudetes Mountains) form five “volcanic complexes” |  | | Journal (article/letter/editorial) | | Pre-proof Depleted lherzolite xenoliths from the leucititic Morrón de Villamayor volcano (Calatrava volcanic...Pérez-Soba, Depleted lherzolite xenoliths from the leucititic Morrón de Villamayor volcano (Calatrava volcanic...Pre-proof Depleted lherzolite xenoliths from the leucititic Morrón de Villamayor volcano (Calatrava volcanic...Anorogenic Cenozoic Igneous Province. The MVM volcano is the only centre belonging to the first stage...volcanic melt. The studied mantle xenoliths are spinel lherzolites equilibrated at lower temperatures |  | Matusiak-Małek, Magdalena, Puziewicz, Jacek, Ntaflos, Theodoros, Grégoire, Michel, Kukuła, Anna, Wojtulek, Piotr Marian (2017) Origin and evolution of rare amphibole-bearing mantle peridotites from Wilcza Góra (SW Poland), Central Europe. Lithos, 286. 302-323 doi:10.1016/j.lithos.2017.06.017 | Journal (article/letter/editorial) | | some with amphibole which is exceptional in the region. Forsterite 16 content in olivine defines two...clinopyroxene with negative Ti, Zr-Hf and Nb-Ta anomalies. Spinel 21 (Cr# 0.57-0.68) is scarce in Group A, and...than those in Group A. The Cr# in Group B 25 spinel is 0.26-0.56, while pargasite is Ti-rich and Cr-poor...lacking clinopyroxene and containing rare Cr-rich spinel. This residuum was 32 later overprinted by chromatographic...a 62 general feature of the SCLM beneath this region (Ackerman et al., 2007, 2014). One 63 exception |  | | Journal (article/letter/editorial) | | partition model can be applied generally to any region where surface HF is observed or can be estimated...peridotites are converted to spinel-peridotites via 2 orthopyroxene + spinel ↔ garnet + olivine. The transition...squares not used in best-fitting model. The light gray region represents the 95% bounds for data used in the... Geotherms range from 30 to 120 mW/m2. Faceted region represents the field of P–T estimates from mantle...when extended to encompass all rocks in a given region (Furlong and Chapman, 1987; Jaupart and Mareschal |  | González-Jiménez, José María, Villaseca, Carlos, Griffin, William L., O’Reilly, Suzanne Y., Belousova, Elena, Ancochea, Eumenio, Pearson, Norman J. (2014) Significance of ancient sulfide PGE and Re–Os signatures in the mantle beneath Calatrava, Central Spain. Contributions to Mineralogy and Petrology, 168 (2) doi:10.1007/s00410-014-1047-x | Journal (article/letter/editorial) | | Springer-Verlag Berlin Heidelberg 2014 Abstract Spinel lherzolite and wehrlite xenoliths from the Cenozoic Calatrava...the surface a mantle xenolith suite dominated by spinel lherzolites and wehrlites; websterite- and phlogopite-rich...O’Reilly and Griffin 2012) and equilibrated in the spinel facies (Villaseca et al. 2010). All are large (up...55569 Lherzolite Lherzolite Lherzolite Lherzolite Lherzolite Lherzolite Lherzolite Lherzolite Wehrlite...Wehrlite Wehrlite Lherzolite Rock type 67.9 68.5 59.8 62.4 55.6 70.2 61.3 64.5 55.1 67.5 54.6 Ol |  | | Journal (article/letter/editorial) | | ア–アセノスフェア境界域のダイナミクスの理解に向けて Pressure estimation of spinel peridotite xenoliths, the status quo, problems...understanding of the lithosphere-asthenosphere boundary region Abstract ＊ 小澤一仁 ＊ 佐藤侑人 ＊ 成田冴理 Kazuhito Ozawa＊...critically reviews pressure estimation methods for spinel peridotite xenoliths that are frequently included...used for pressure ranges in the stability field of spinel peridotites are critically examined and problems...the reliability and accuracy of geobarometers for spinel peridotites are presented. Methods for the validation |
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