 | | Report (chapter) | | the late Variscan intermontane Saar-Nahe Basin (Germany): a review V O L K E R VON S E C K E N D O R F...Universitdt Wfirzburg, Am Hubland, D-97074 Wfirzburg, Germany (e-mail: volker, von_seckendorff @mail.uni-wuerzburg...Wfirzburg, Germany 3present address." Am Mittelpfad 4, D-65468 Trebur-Geinsheim, Germany Abstract: The...basaltic andesite to rhyodacite, rhyolite and trachyte. Composite intrusive--extrusive complexes consist...consist of andesite, rhyodacite and alkali feldspar trachyte with up to 10 wt% K20. The geochemical characteristics |  | | Journal (article/letter/editorial) | | TĂŒbingen, Germany 3 Hessisches Landesamt fĂŒr Umwelt und Geologie, 65203 Wiesbaden, Germany Abstract:...(phase II) syenite dikes of the Katzenbuckel (SW Germany) average 69.6 ± 1.9 Ma (mean square of weighted...Key-words: Rhine Graben, rift zones, syenite, trachyte, zircon, U-Pb Isotopes, oxygen isotopes, ion-probe...the British Tertiary Volcanic Province and one trachyte sample from the Northern Upper Rhine Graben (Sprendlinger...We also include results for previously undated trachyte from a small quarry SW of Bellmuth (Wetterau) |  | Schneider, K. P., Kirchenbaur, M., Fonseca, R. O. C., Kasper, H. U., MĂŒnker, C., Froitzheim, N. (2016) Role of crustal assimilation and basement compositions in the petrogenesis of differentiated intraplate volcanic rocks: a case study from the Siebengebirge Volcanic Field, Germany. Contributions to Mineralogy and Petrology, 171 (6) doi:10.1007/s00410-016-1271-7 | Journal (article/letter/editorial) | | case study from the Siebengebirge Volcanic Field, Germany K. P. Schneider1,2 · M. Kirchenbaur2 · R. O. C...Siebengebirge Volcanic Field (SVF) in western Germany is part of the Cenozoic Central European Volcanic...UniversitĂ€t Bonn, Meckenheimer Allee 169, 53115 Bonn, Germany 2 Institut fĂŒr Geologie und Mineralogie, UniversitĂ€t...zu Köln, ZĂŒlpicher StraĂe 49a, 50674 Cologne, Germany 207 Pb/204Pb compositions requiring the presence...Siebengebirge Volcanic Field (SVF) is located in western Germany within the Rhenish Massif and is part of the widespread |  | Jung, S., Mezger, K., Hauff, F., Pack, A., Hoernes, S. (2013) Petrogenesis of rift-related tephrites, phonolites and trachytes (Central European Volcanic Province, Rhön, FRG): Constraints from Sr, Nd, Pb and O isotopes. Chemical Geology, 354. 203-215 doi:10.1016/j.chemgeo.2013.06.026 | Journal (article/letter/editorial) | | Mineralogisch-Petrographisches Institut, 20146 Hamburg, Germany Institut fĂŒr Geologie, UniversitĂ€t Bern, Baltzerstrasse...Ocean Floor, Wischhofstrasse 1-3, 24148 Kiel, Germany d Georg-August UniversitĂ€t Göttingen, Geowissenschaftliches...Isotopengeologie, Goldschmidtstr. 1, 37073 Göttingen, Germany e Mineralogisch-Petrologisches Institut der UniversitĂ€t...UniversitĂ€t Bonn, Poppelsdorfer SchloĂ, 53115 Bonn, Germany b a r t i c l e i n f o Article history: Received...Rhön area (Central European Volcanic Province, Germany) belong to a moderately alkali basaltic suite that |  | | Journal (article/letter/editorial) | | from the Oligocene Siebengebirge Volcanic Field (Germany): Implications for the Origin of Intracontinental...UNIVERSITA«T BONN, POPPELSDORFER SCHLOSS, 53115 BONN, GERMANY 2 OMYA DEVELOPMENT AG, BASLERSTRASSE 42, 4665...MINERALOGIE, ZU«LPICHER STR. 49A/B, 50674 KO«LN, GERMANY 5 INSTITUT FU«R MINERALOGIE, UNIVERSITA«T MU«NSTER...MU«NSTER, CORRENSSTRASSE 24, 48149 MU«NSTER, GERMANY RECEIVED JUNE 27, 2011; ACCEPTED JULY 11, 2012 ADVANCE...to other Cenozoic volcanic provinces in Central Germany, such as the Eifel, Rho«n, Vogelsberg, Westerwald |  | Ackerman, LukĂĄĆĄ, Ulrych, JaromĂr, Ćanda, ZdenÄk, Erban, VojtÄch, Hegner, Ernst, Magna, TomĂĄĆĄ, Balogh, Kadosa, FrĂĄna, Jaroslav, Lang, MiloĆĄ, NovĂĄk, JiĆĂ K. (2015) Geochemical characteristics and petrogenesis of phonolites and trachytic rocks from the ÄeskĂ© StĆedohoĆĂ Volcanic Complex, the OhĆe Rift, Bohemian Massif. Lithos, 224. 256-271 doi:10.1016/j.lithos.2015.03.014 | Journal (article/letter/editorial) | | MĂŒnchen, TheresienstraĂe 41, D-80333 MĂŒnchen, Germany e Institute of Nuclear Research, Hungarian Academy...Available online 25 March 2015 Keywords: phonolite trachyte SrâNdâLi isotopes Cenozoic alkaline volcanism...the basanite â trachybasalt â trachyandesite â trachyte â phonolite suite formed through magmatic differentiation...weakly alkaline (alkali basalt â trachyandesite â trachyte â rhyolite) series in the Cantal, Massif Central...SrâNdâLi isotopic compositions for a trachyandesite â trachyte â phonolite association of the ÄeskĂ© StĆedohoĆĂ |  | | Journal (article/letter/editorial) | | (1971) 9 by Springer-Verlag 1971 A Potash-Rich Trachyte from the Pre-Cambrian of England R. S. THORPE...Birmingham Received January 20, 1971 Abstract. A potash trachyte (containing 13% K20) crops out within the Malvernian...indicated on the m a p contain fragments of the trachyte. The contact of the intrusion with the surrounding...sharp although show-ing variable deformation. The trachyte is a fine grained grey rock with scattered spots...-- a 1674 = Trachyte, centre of intrusion, Earnslaw Quarry, Malvern. b 1641 = Trachyte, centre of intrusion |  | | Journal (article/letter/editorial) | | shows marked variation; e.g. DBa af/matrix in trachyte and phonolite shows a range of 2.7 to 18.1 and...(1989) crystallised alkali feldspars from a natural trachyte doped with Ba (hydrous and anhydrous) under controlled...rocks and synthetic feldspars crystallised from trachyte at 10-25 kbar in the temperature range of 900-1100...phonolite 3.4 Trachyte 13.5 n.a. 52.660.7 45.931.5 1.57.8 LaacherSea Volcano,Germany W O m eet r... Dmchenfels, Rhine, Germany Berlin & Henderson,19692 58.5 38.6 2.9 Trachyte 18.1 60.4 37.8 1 |  | Capaldi, G., Gasparini, P., Moauro, A., Salvia, E., Travaglione, O. (1972) Rare earth abundances in the alkaline volcanic rocks from Campania, South Italy. Earth and Planetary Science Letters, 17 (1) 247-257 doi:10.1016/0012-821x(72)90283-x | Journal (article/letter/editorial) | | volcanic suites from Hawaii, Japan and central Germany have demonstrated an increasing predominance of...Sodalite-phonolite Trachyte REA 1 Latite RE 12 RE 13 Alkali trachyte Alkali-trachyte RE 17 Sodalite...trachy- Ponti Rossi (Napoli) tic ashes Alkali-trachyte Lava flow of Mt. Olibano and high resolution...y t e 0 soda trachyte from Ascention Isl. O trachytes from Westerwald, Germany + trachyte from Hawaii...alkali-trachytes (~: 1 2 , 1 3 ) latite (~11) trachyte(~9) \ uJ k- . ~"-.. 0~ \ \ \ .... \ . Q Z 0 |  | | Journal (article/letter/editorial) | | originated by albitization of potassic rocks (trachyte and rhyolite) and in part to the existence of...keratophyre is not albitized trachyte but the sodic-plagioclase counterpart of trachyte. Similarly, quartz keratophyre...Heinrich (1956), keratophyre, being albitized trachyte, is a 'deservedly obsolete' term; he does not...names'. He defined kera'.ophyre as a '~oda-rich trachyte (including a,~bitized andesites) common in association...in the andesite/basait fie!d or in the alkali trachyte field, depending on whether its sodic plagioclase |  | Ulrych, JaromĂr, KrmĂÄek, LukĂĄĆĄ, Tomek, ÄestmĂr, Lloyd, Felicity E., Ladenberger, Anna, Ackerman, LukĂĄĆĄ, Balogh, Kadosa (2016) Petrogenesis of Miocene alkaline volcanic suites from western Bohemia: whole rock geochemistry and SrâNdâPb isotopic signatures. Geochemistry, 76 (1) 77-93 doi:10.1016/j.chemer.2015.11.003 | Journal (article/letter/editorial) | | basaltâtrachybasalt-(basaltic) trachyandesiteâtrachyteârhyolite (13.5 to 10.2 Ma) and (ii) silicaundersaturated...basaltâtrachybasalt-(basaltic) trachyandesiteâtrachyteârhyolite suite suggests the presence of an as...der Erde xxx (2015) xxxâxxx 2 France through Germany to the Czech Republic and Poland (Wilson and Downes...suite comprised of trachybasaltâtrachyandesiteâtrachyteârhyolite, also termed the weakly alkaline series...oversaturated path with rhyolite and/or quartz trachyte or undersaturated trend with phonolite differentiates |  | | Journal (article/letter/editorial) | | Institut, Universit/it Kiel, Federal Republic of Germany 2 IFREMER, DRO/GM, Centre Oc6anologique de Bretagne...Institut, Universitfit Kiel, Federal Republic of Germany With 6 Figures Received April 18, 1997; revised...titanomagnetite (18-22 wt.% TiO2) and sulfides, and (4) trachyte (titanomagnetite with 19-23 wt.% TiO2). The metallic...(1)), alkali basalt (2), trachyandesite (3) to trachyte (4). The silica and total alkali 152 D. Ackermand...alkali basalt (2), the trachyandesite (3) and the trachyte (4). The crystal fractionation trend defined by |  | | Journal (article/letter/editorial) | | 1994 Cenozoic alkali basaltic magmas of western Germany and their products of differentiation K. Hans Wedepohl...Geochemisches Institut der Universitfit, D-37077 G6ningen, Germany ReceivedFebruary 25, 1993 / AcceptedAugust 24,...northern Rhone Depression through E France, W Germany, Belgium and the Netherlands to the North Sea....Miocene age (Massif Central, France; Vogelsberg, Germany) is located at the edge of the belt makes a narrowing...Coverage of Cenozoic basaltic volcanics in E France Germany and CFR Fig. 255 The sample areas are shown |  | | Report (chapter) | | University of Exeter on July 18, 2015 Fire damage of trachyte: investigations of the TeplaÌ monastery building...MuÌnchen, Germany 2 Zentrum fuÌr Werkstoffanalytik Lauf GmbH, Hardtstrasse 39b, D-91207 Lauf, Germany *Corresponding...(founded 1193) experienced a huge fire in 1677. Trachyte as a major rock type responded by changing colour...same reddened surface. Three varieties of local trachyte were examined: a greyish, naturally very fresh...therefore iron hydroxide-bearing type (TB) and a trachyte typical with black manganese oxide dendrites and |  | | Journal (article/letter/editorial) | | AN OCCURRENCE OF TRACHYTE ON THE ISLAND OF HAWAII.' THEHawai an Islandsarecommonlydescribedas consistingalmost...was fortunate enough to discover an occurrenceof trachyte which, from several standpoints,seems to merit...from a low-lying point near that at which the trachyte occurs. The accompanyingmap shows the geographicposition...of the United States Geological Survey. 510 TRACHYTE ON THE ISLAND OF HAWAII 51I Near the northernbase...freshest rock fromthe bowldersof Puu Anahulu. TRACHYTE ON THE ISLAND OF HAWAII 513 Thin sectionsof |  | Brenna, Marco, Pontesilli, Alessio, Mollo, Silvio, Masotta, Matteo, Cronin, Shane J., Smith, Ian E.M., Moufti, Mohammed Rashad Hassan, Scarlato, Piergiorgio (2019) Intra-eruptive trachyte-phonolite transition: Natural evidence and experimental constraints on the role of crystal mushes. American Mineralogist, 104 (12) 1750-1764 doi:10.2138/am-2019-6963 | Journal (article/letter/editorial) | | Volume 104, pages 1750â1764, 2019 Intra-eruptive trachyte-phonolite transition: Natural evidence and experimental...displaying compositional transition from benmoreite-trachyte to phonolite has been observed within the Al Shaatha...crystallization experiments on benmoreite and trachyte starting compositions to simulate the pressur...and anhydrous (for benmoreite) or hydrous (for trachyte) conditions. At low pressure (200 MPa), temperatures...high (>90%), and the residual glass obtained from trachyte experiments is characterized by peralkaline and |  | | Journal (article/letter/editorial) | | Igneous Rocks: VII The Tertiary Rocks of Southwest Germany By A. E. M. NAII~N, Cleveland, & J. NEGENDANK,...Abstract Rocks from sixteen sites in southwestern Germany were examined palaeomagnetically and petrologically...exposures of Cenozoic igneous rocks in southwestern Germany. Those which do occur appear to be related to the...location of the Tertiary igneous rocks in Southwest Germany. Maghemite occurs rarely, in the nephelinite from...1988 BEISLER, 1955 NEGENDANK,1969 KLEMM, 1905 trachyte olivine nephelinite and nepheline basanite KLEMM |  | Misiti, V., Vetere, F., Freda, C., Scarlato, P., Behrens, H., Mangiacapra, A., Dingwell, D.B. (2011) A general viscosity model of Campi Flegrei (Italy) melts. Chemical Geology, 290 (1) 50-59 doi:10.1016/j.chemgeo.2011.08.010 | Journal (article/letter/editorial) | | UniversitĂ€t Hannover, Callinstr. 3, Hannover, D-30167, Germany d Istituto Nazionale di GeoïŹsica e Vulcanologia...UniversitĂ€t, Luisenstrasse 37, Munchen, D-80333, Germany b a r t i c l e i n f o Article history: Received...been applied also to a more evolved composition (trachyte) from the same area in order to create a general...Sciences, Ludwig Maximilians UniversitĂ€t MĂŒnchen (Germany). About 100 g of both samples was melted and homogenized...Institute of Mineralogy, Leibniz University Hannover (Germany). Anhydrous samples were prepared by de-hydrating |  | | Book | | recommended name. Fields 6 (alkali feldspar trachyte), 7 (trachyte), 8 (latite) â rocks with these root names...6'â8', respectively. Peralkaline trachyte, rather than alkali trachyte, should be used for trachytes containing...feldspar trachyte 20 alkali feldspar trachyte 10 35 foid-bearing alkali feldspar trachyte 65 quartz...quartz trachyte trachyte foid-bearing trachyte A 90 quartz latite latite foid-bearing latite 10 phonolite...distribution of analyses of rocks that had been called trachyte (9) similarly, the boundaries between fields U1âU2âU3âPh |  | | Report (issue) | | a research ship from the Federal Republic of Germany. The study areas visited are located in the Hawaiian...composed of alkalic basalt and its differentiates, trachyte and syenite, basaltic and differentiated lava...volcanic edifices: (1) alkali olivine basalt, (2) trachyte and differentiated alkalic lavas, and (3) subsilicic...the United States and the Federal Republic of Germany was designed to study and assess the resource potential...summit, was surveyed first on Midpac 2A (Fig. 2). Trachyte from this edifice has been dated by the K-Ar method |  | | Journal (article/letter/editorial) | | albite, I56; - - , anal., d2o i, 489. Amoibite, Germany, anal., opt., X-ray, 26. Amos Stream, New Caledonia...strained, grain-growth in, 852. Bokkos, Jos, Nigeria, trachyte with inclusions, lherzolite, anorthoclase, diorite...with hornblende, 923. Dadsonite, Canada, Nevada, Germany, and synthetic, anal., opt., X-ray, 437. Darkainle...Nigeria, opt., 37o. Diorite, Nigeria, inclusions in trachyte, 37o. Djebel Gustar, Algeria, blende, ~53. Djurleite...X-ray powder data for idocrase, 343. Drachenfels, Germany, alkali feldspar, anal., d2o i, 489. Drakewalls |  | Ashwal, Lewis, Torsvik, Trond, HorvĂĄth, PĂ©ter, Harris, Chris, Webb, Susan, Werner, Stephanie, Corfu, Fernando (2016) A Mantle-derived Origin for Mauritian Trachytes. Journal of Petrology, 57 (9) 1645-1676 doi:10.1093/petrology/egw052 | Journal (article/letter/editorial) | | as confirmed by a UâPb zircon age of 68 Ma. Trachyte mineralogy is dominated by low-Ca alkali feldspar...reaction rims that approach typical trachyte mineral compositions. Trachyte major elements cluster at 63 wt...apply to other trachyte and phonolite occurrences worldwide. Key words: Mauritius; trachyte; Daly Gap; mantle...intermediate rock compositions between basalt and trachyte (e.g. Chayes, 1977; Clague, 1978). Trachytes are...associated. The spatial association of most of the trachyte localities with basalts of the Older Series is |  | | Journal (article/letter/editorial) | | pre-eruptive conditions and eruptive styles of phonoliteâtrachyte magmas Joan AndĂșjar â, Bruno Scaillet UniversitĂ©...May 2012 Keywords: Phase equilibria Phonolite Trachyte Eruptive dynamic Melt viscosity Magma viscosity...character of incipient eruptions sourced in phonoliteâtrachyte reservoirs. The observations and results presented...2008). Although numerous studies of phonoliteâ trachyte volcanic suites are available in the literature...al., 2008); For the East Eifel volcanic ïŹeld (Germany), we selected eruptions labelled as LLST, MLST |  | | Journal (article/letter/editorial) | | Albert-Ludwigs-Universitašt Freiburg, D-79104 Freiburg, Germany ABSTR ACT Backscattered electron imaging of ...trachytic tephra of the Wehr Volcano, East Eifel area, Germany, show that they have undergone disequilibrium melting...pyrometamorphism, cordierite, muscovite, Wehr volcano, Germany. Introduction MINERAL reactions occurring under...basement schists are abundant in the youngest trachyte tephra unit of * E-mail: rodney.grapes@minpet...Mineralogical Society the Wehr Volcano, East Eifel area, Germany (Brauns, 1911; WoÌrner et al., 1982; Grapes, 1986 |  | | Journal (article/letter/editorial) | | alkaline volcanics are composed of phonolite and trachyte, with variable contents of SiO2 (55.94-64.10 wt...al., 1995; Central European volcanic complex in Germany, Wörner et al., 1985), subduction-related settings...observations that some phonolites (e.g., Heldburg in Germany) contain ultramafic xenoliths of PT E mantle...of basaltic trachyandesite, trachyandesite and trachyte, with minor basalt, andesite, dacite, rhyolite...alkaline volcanics are composed of phonolite and trachyte; the alkaline intrusive rocks are composed of |
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