 | | Journal (article/letter/editorial) | | Republic of Germany Upper Mantle Rocks from Basalts of the Northern Hessian Depression (NW Germany) J. Oehm...(Auvergne, Hegau-Upper Rhine, Eifel, Westerwald, Hessian Depression, Oberpfalz) has raised rock fragments from...reported by Lippolt (1980) for the area of West Germany. Wedepohl (1982) has investigated the chronology...of the basaltic volcanism in the northern Hessian Depression. Examination of peridotitic xenoliths can...5-16%) are predominant. Tholeiitic basalts which also occur in the Hessian Depression are worldwide the only |  | Abratis, Michael, Mädler, Jonas, Hautmann, Siegfried, Leyk, Hans-Jörg, Meyer, Romain, Lippolt, Hans Joachim, Viereck-Götte, Lothar (2007) Two distinct Miocene age ranges of basaltic rocks from the Rhön and Heldburg areas (Germany) based on 40Ar/39Ar step heating data. Geochemistry, 67 (2) 133-150 doi:10.1016/j.chemer.2006.03.003 | Journal (article/letter/editorial) | | basaltic rocks from the Rhön and Heldburg areas (Germany) based on 40Ar/39Ar step heating data Michael Abratis1...Friedrich-Schiller-Universität Jena, Burgweg 11, 07749 Jena, Germany Thüringer Landesamt für Umwelt und Geologie,... Carl-August-Allee 8-10, 99423 Weimar, Germany 3 Laboratorium für Geochronologie, Ruprecht-Karls-Universität...Heidelberg, Im Neuenheimer Feld 234, 69120 Heidelberg, Germany 4 Geo-Instituut, Afd. Geologie, Katholieke Universiteit...volcanic fields is remarkably diverse, ranging from tholeiitic basalts over alkali basalts and basanites to |  | | Journal (article/letter/editorial) | | for basaltic rocks from the northern Hessian Depression, Germany, and calculated the degrees of partial...and for basaltic rocks from the northern Hessian Depression and Tallante. Data from Jaques and Green...and for basaltic rocks from the northern Hessian Depression and Tallante. Same symbols and explanations...4 3 7 - 3 3 0 8 F S1--~2 - " ~ northern Hessian Depression was calculated from eq. 6. With (Na20+K20)r=0...for the basaltic rocks from the northern Hessian Depression, and the average value was 0.062. Likewise |  | | Journal (article/letter/editorial) | | Chlorine in Tertiary Basalts From the Hessian Depression in NW Germany Y. Muramatsu and K.H. Wedepohl GeochemischesInstitut...Goldschmidtstr. 1, D-3400 G6ttingen, Federal Republic of Germany Abstract. The chlorine concentration has been...been detected by microprobe in 7 out of 10 alkalic basalt species in grains smaller than 70 ~tm. Quantitative...basalts (mostly tholeiitic) from Iceland. Moore (1965) in his investigation of 6 glassy tholeiitic basalts from...the original water content of the Kilauea tholeiitic basalt as 0.45%. In a compilation Yoshida et al. |  | | Report (chapter) | | Bulgaria, and south to north from Sicily to central Germany. Magmatism is spatially and temporally associated...central Germany), to small isolated plugs (e.g. Urach and Hegau provinces in southern Germany). Within...Within the Mediterranean region, the Dinarides, the Pannonian Basin and Bulgaria, anorogenic volcanism locally...(e.g. Sicily; Vogelsberg and the Rhine Graben, Germany; Calatrava, central Spain) olivine and quartz tholeiites...Alpine chain, the Carpathians and the Mediterranean region (Harangi et al. 2006) can be explained geodynamically |  | Zhi, Xiachen, Song, Yan, Frey, Frederick A., Feng, Jialin, Zhai, Mingzhe (1990) Geochemistry of Hannuoba basalts, eastern China: Constraints on the origin of continental alkalic and tholeiitic basalt. Chemical Geology, 88 (1) 1-33 doi:10.1016/0009-2541(90)90101-c | Journal (article/letter/editorial) | | on the origin of continental alkalic and tholeiitic basalt Xiachen Zhi a,b, Yan Songa, Frederick A. Frey...on the origin of continental alkalic and tholeiitic basalt. Chem. Geol., 88: 1-33. The Cenozoic Hannuoba...is composed of intercalated tholeiitic, transitional and alkalic basalt. Although the alkalic basalts...alkalic basalts of similar MgO content, Hannuoba tholeiitic lavas have lower incompatibleelement abundances...and many continental flood basalts, Hannuoba tholeiitic lavas are not anomalously depleted in Nb and |  | | Journal (article/letter/editorial) | | Japan b Geochemisches Institut, D 37077 Gottingen, Germany ¨ Received 12 June 1997; accepted 17 December 1997...JA-1 JA-2 JG-1 AGV-1 G-2 GSP-1 GSS-1 JDo-1 JSd-3 basalt andesite andesite granodiorite andesite granite...representing a certain rock species in a region as large as Germany, Japan or western Europe. Our analytical...Shale, marine Triassic, Friedland near Goettingen Germany Shale, C org -rich Archean Fig Tree, South Africa...Braunschweig, Germany ŽPr 724. 7.4% C Shale, C org -rich Upper Permian Kupferschiefer Eisleben. Germany 6.9% C |  | | Journal (article/letter/editorial) | | basanites, alkali basalts and hawaiites, and tholeiitic basalts. Primitive samples have high Mg# (>60)...archipelago, typical Indian Ocean MORB and oceanic basalt end-members. The patterns of olivine nephelinitic...garnet, carbonates and phlogopite. The patterns of tholeiitic basalts can be obtained after 10-12% partial...of the continental lithospheric mantle as source region. The source of at least some volcanic rocks of...rocks of Madagascar range in composition from tholeiitic basalt to olivine-monticellite melilitite (Cucciniello |  | | Journal (article/letter/editorial) | | Society MacQnaJd Maagaia Ua Pou Hawaii 30 - Oceanic Basalt (Morb + OIB) Jochumet at. (1986) E 5 &i 15 -...Hawaii: Implications for the origin of Hawaiian basalt% J. Geophys. Rex 90,8743-8768. CLACUED. A. and...olivine nephelinite, basanite, and alkaline olivine basalt at Fort Selkirk, Yukon, Canada. J. Petrol. 31,...and CLAGUED. A. ( 1983) Geochemistry of diverse basalt types from Loihi seamount, Hawaii: Petrogenetic... A., and CLAGUED. A. ( 1984) Geochemistry of tholeiitic and alkalic lavas from the Koolau Range, Oahu |  | | Journal (article/letter/editorial) | | introducing surficially derived oxygen into the region of the crust/mantle boundary. INTRODUCIION rapidly...and/or rifting (Geronimo, Arizona, USA; Eifel, Germany; Massif Central, France; Tariat and Dariganga,...series is alkalic, tholeiitic, or calcalkaline (Fig. lb). The Si02/A1203 ratio of basalt is typically between...2 0.4 r" 0.3 0.2 0.1 Akalic 0.0 1 2 3 Tholeiitic 4 5 6 7 8 4 5 6 7 8 0 n _a E v) 8...from IRVINEand BARAGAR ( 197 I) Basalt field based on data from the Basalt Volcanism Study Project (198l) |  | | Journal (article/letter/editorial) | | Spinel peridotite xenoliths from the Tariat Depression, Mongolia. II: Geochemistry and Nd and Sr isotopic...zu KOln, Ziilpicher Str. 49, 5000 KOin I, West Germany 2Qeological Research Division A-o 12, Scripps Institution...xenoliths from the Shavaryn-tsaram volcano, Tariat Depression (central Mongolia) represents (for major elements)...Shavaryn-Tsaram volcano, Tariat Depression in north-central Mongolia. The Tariat Depression was formed from Pliocene...rifting in the Baikal area although the Tariat Depression cannot be regarded as a direct extension of this |  | | Journal (article/letter/editorial) | | GOttingen, Goldschmidtstrasse 1, D-37077 G6ttingen, Germany bDepartment of Earth Sciences, Memorial University...between spinel and melt using an alkali olivine basalt at 1 atm. The O sp/Iq for high field strength elements...Arndt and Christensen, 1992). A natural alkali basalt was used in the experiments to maximise the sphere...homogeneous natural alkali olivine basalt from Bramburg, Hessian depression, Germany, used as a standard reference...as with the undoped trace-element content of the basalt (Table 1 ) were studied (see Table 2 for mixtures |  | | Book | | exploration history. For example, in northern Germany the first successful oil well was sunk in 1859;...Denmark in 1963, and by the United Kingdom and Germany in 1964. Norway followed suit in 1965 and the Netherlands...boreholes drilled in the North Sea area, in northern Germany and Poland have brought new factual data to light...Norway through the central North Sea to northern Germany and Poland. The deformation front of these North...shelf sediments, which occur in the Baltic Depression and as small relics on the Fennoscandian shield |  | | Journal (article/letter/editorial) | | wt% H20 ) is + 2.9 to + 11.4%o. Mid-ocean-ridge basalt (MORB) has a uniform O-isotope composition with...-~80 and high-i80 reservoirs have contributed to basalt petrogenesis. Large-ion lithophile element-enriched...Universit~itG6ttingen, Goldschmidtstrasse 1, D-37077 G/Sttingen,Germany Present address: U.S. Army Research Office, PO...contributions to studies of mantle heterogeneity, basalt petrogenesis, and crustmantle evolution. Oxygen...composition into the upper mantle. Mid-ocean ridge basalt (MORB), volumetrically the most important and geochemically |  | | Journal (article/letter/editorial) | | spatially and temporally associated Servilleta Basalt (54-61) and olivine andesite (49-59) are comparable... are consistent with contamination of parental basalt by old, low Rb/Sr, low U/Pb, and low Th/Pb continental...subvolcanic magmatic system. A central focus of basalt shields developed above the main basaltic conduit...contain 10-35% admixed andesitic and dacitic magma. Basalt shields are surrounded by a partial ring of olivine...1986), we discussed the evolution of Pliocene tholeiitic basalts of the Taos •Present address: Department |  | Perfit, M.R., Gust, D.A., Bence, A.E., Arculus, R.J., Taylor, S.R. (1980) Chemical characteristics of island-arc basalts: Implications for mantle sources. Chemical Geology, 30 (3) 227-256 doi:10.1016/0009-2541(80)90107-2 | Journal (article/letter/editorial) | | aid understanding of the processes involved in basalt generation and the characteristics of their sources...1979; Tarney et al., 1979; Wood et al., 1979b). The basalt--andesite--dacite--rhyolite association of orogenic...crust, with or without the sediment trapped between basalt flows or lying on top of the crust; (2) mantle...diversity of rock types ranging in composition from basalt to rhyolite. There is considerable debate regarding...geochemical evidence suggest the development of basalt-andesite--dacite suites by low-pressure fractional |  | Liu, Yongsheng, Gao, Shan, Yuan, Hongling, Zhou, Lian, Liu, Xiaoming, Wang, Xuance, Hu, Zhaochu, Wang, Linsen (2004) U–Pb zircon ages and Nd, Sr, and Pb isotopes of lower crustal xenoliths from North China Craton: insights on evolution of lower continental crust. Chemical Geology, 211 (1) 87-109 doi:10.1016/j.chemgeo.2004.06.023 | Journal (article/letter/editorial) | | lie on an apparent mixing trend between Mesozoic basalt and preexisting lower crust (e.g., DMP-27) in the...and comprise alternating layers of alkaline and tholeiitic basalts. They are dated at 14–27 Ma by the K–Ar... imaging optical system (MicroLas, Gfttingen, Germany). Analyses were performed on an ELAN6100. Helium...Eighteen lower crustal xenoliths from the Hannuoba basalt were selected for Sr, Nd, and Pb isotopic analyses...Australia (Rudnick and Goldstein, 1990); (6) Eifel, Germany (Rudnick and Goldstein, 1990); (7) Mojave desert |  | | Journal (article/letter/editorial) | | Èt, Goldschmidtstrasse 1, D-37077 GoÈttingen, Germany K. Dzigbodi-Adjimah Institute of Mining and Mineral...and sedimentary rocks. The volcanic rocks (tholeiitic basalt and andesite) and pyroclastic material were...for this study, especially our travels between Germany and Ghana. We are grateful to S.F. Sogbor (Ghana...altered peridotite xenoliths from the Hessian Depression (northwest Germany). Geochim Cosmochim Acta 54: 71±86 |  | | Journal (article/letter/editorial) | | 1013 Isotope geochemistry of sulfur in altered basalt SOz gas was produced by combustion of A&S with... 1015 Isotope geochemistry of sulfur in altered basalt . powders which were previously analyzed for major...sulfide Isotopegeochemistry of sulfur in altered basalt Whole Rock S3’6 -8 -6 -4 -2 0 Vein Mineral...~n~ntmtio~ in circulating &ids due to release of Ca from basalt (ALT et al., 1983). Anhydrite in the transition...(1989). Isotope geochemistry of sulfur in altered basalt B. 2000 c -lO- s H -2o- PO FIG. 10. Oxygen-sulfur |  | Liu, Yong-Sheng, Gao, Shan, Jin, Shu-Yan, Hu, Sheng-Hong, Sun, Min, Zhao, Zu-Bin, Feng, Jia-Lin (2001) Geochemistry of lower crustal xenoliths from Neogene Hannuoba basalt, North China craton: implications for petrogenesis and lower crustal composition. Geochimica et Cosmochimica Acta, 65 (15) 2589-2604 doi:10.1016/s0016-7037(01)00609-3 | Journal (article/letter/editorial) | | of lower crustal xenoliths from Neogene Hannuoba Basalt, North China Craton: Implications for petrogenesis...pyroxenite xenoliths from the Neogene Hannuoba basalt of the North China craton have been analyzed for...lower crustal composition and evolution. First, the basalt erupted through the exposed Archean Huai’an granulite...s⫺1) not exposed (Kern et al., 1996). The Hannuoba basalt field occurs immediately north of Huai’an-Wanquan-... Geochemistry of lower crustal xenoliths from Hannuoba Basalt 2591 Table 1. Temperature and pressure estimates |  | Zhou, Xiang, Zheng, Jianping, Li, Yibing, Zhu, Hui, Griffin, William L, O’Reilly, Suzanne Y (2021) Melt Migration and Interaction in a Dunite Channel System within Oceanic Forearc Mantle: the Yushigou Harzburgite–Dunite Associations, North Qilian Ophiolite (NW China) Journal of Petrology, 62 (7) doi:10.1093/petrology/egaa115 | Journal (article/letter/editorial) | | consistent with an olivine + plagioclase saturated basalt, as has been proposed for the Maqsad ophiolite...Maqsad chromitite xenoliths from Bankawa alkali basalt in the SW Japan arc, which were infiltrating by...Kaczmarek et al., 2016) , West Eifel xenoliths, Germany (Shaw et al., 2018), and the amphibole-rich veins...from exposed peridotites in the Western Gneiss Region, Norway. Journal of Petrology 47, 1611–1636. Birner...clinopyroxene and spinel from mantle xenoliths, Hessian Depression, Germany. Mineralogy and Petrology 74, 149–162 |  | | Book | | discussion and writing sessions held near Karlsruhe, Germany in 1987, 1989, and 1990 (hosted by the Institute... lm Neuenheimer Feld 236, D-69120 Heidelberg, Germany W. SCOTT BALDRIDGE Geology~Geochemistry, EES-1...Geoforschungszentrum Potsdam, Telegrafenberg, Potsdam, D-14470, Germany WILLIAM J. HINZE Department of Earth and Atmospheric... Hertzstrasse 16, Bau 42, D-76187, Karlsruhe, Germany The CRESTInternational WorkingGroup GEORGE A...Utah, USA Dr. H. Zeyen University of Karlsruhe, Germany xiv List of Peer Reviewers Dr. P. Ziegler |  | | Book | | deposition began in mid-Triassic in Algeria and Germany, was widespread in Late Triassic time (northeastern...deposition ceased rather abruptly throughout the region consequent to the marine transgression in the late...margin have not been dated. In the Scotian basin, basalt flows dated 176+7 Ma overlie the Argo Formation...radiometric age determinations have been made on basalt flows and sills within the rift sedimentary sequence...186+8 (Manspeizer Ma et al., measured from basalt extrusions These dates, 1978). as well as many |  | | Book | | recovered so far fall into the following categories: basalt, gabbro, metabasalt, metagabbro, peridotite, serpentinite...the postglacial volcanic rocks of Iceland are: basalt 92%, basaltic andesite and trachybasalt 4%, andesite...basalts of the main active volcanic zones are all tholeiitic, but alkali basalts occur in the flank zones...pantellerite (minor) olivine basalt + hawaiite + trachyte alkali basalt + nephelinite + trachyte (minor)...(minor) + phonolite (minor) alkali basalt + mugearite + hawaiite + trachyte + phonolite (minor) nephelinite |  | | Journal (article/letter/editorial) | | Max-Planck-Institut für Chemie, Postfach 3060, D-55020 Mainz, Germany ETH Zürich, Institute of Geochemistry and Petrology...estimating the isotopic composition of mantle from basalt samples. This is because partial melting, and melt...certainly on the kilometer scale of the melting region but perhaps even smaller. The way in which mantle...für Mineralogie, Corrensstr. 24, 48149 Münster, Germany. Tel.: +49 251 83 33487; fax: +49 251 83 38397...oceanic basalt isotope systematics . . . . . . . . 2.3. The influence of melt mixing on oceanic basalt isotope |
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