 | | Journal (article/letter/editorial) | | Oldenzaal, juni 1982 3 ill. Een vijzel van Drachenfels-trachiet uit Dorestad H . Kars ABSTRACT Within...consisting of quartz trachyte to quart latite. This rock was quarried at the Drachenfels a volcanic mountain...mountain situated in the Siebengebirge near Königswinter, WestGermany. INLEIDING Als aanvulling op eerder...over de import en toepassing van de zogenoemde Drachenfels-trachiet in ons land in de middeleeuwen (ANDERSON...latitische samenstelling dat waarschijnlijk van de Drachenfels afkomstig is. 1 ') In het Kantonnaal en stedelijk |  | Schneider, K. P., Kirchenbaur, M., Fonseca, R. O. C., Kasper, H. U., Münker, 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...Universität Bonn, Meckenheimer Allee 169, 53115 Bonn, Germany 2 Institut für Geologie und Mineralogie, Universität...Universität zu Köln, Zülpicher Straße 49a, 50674 Cologne, Germany 207 Pb/204Pb compositions requiring the...Siebengebirge Volcanic Field (SVF) is located in western Germany within the Rhenish Massif and is part of the widespread |  | | 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...scenarios, either extensional tectonics in the north Alpine realm or upwelling of deep mantle material |  | | Journal (article/letter/editorial) | | kilometres through Western Germany, set out on the journey which terminated at Cologne. Under Professor Wunstorf...was first studied. Quarries at Bilster Miihle, north of the Kornelimiinster, showed sandstones and shales...rainfall tends to form extensive peaty moorlands. North of the Lammersdorf a railway-cutting reveals a finegra...towards the south. On the other hand, towards the north-west as far as the Venn anticline, a special type...type of folding occurs dir ected towards the north-west. From Gemiind the route passed up Blumenthal. On |  | | Journal (article/letter/editorial) | | montcbrasite, 414. Germany (Deutschland) Chursdorf, Penig, Saxony, amblygonite, 414. Drachenfels, Pfalz, alkali...gersdorffite, 26. Musen, Westphalia, gersdorffite, 26. Petersbach, Siegen, Westphalia, ullmannite, 26. Silberbaeh...947- TOPOGRAPHICAL 970 Miragpur, juddite, 7o8. North Tirodi, juddite, 317, 708. Ponia, juddite, 7o8.... Bokkos, Jos, albite, anorthoclase, sanidine, trachyte, lherzolite, diorite, pyroxenite, 37o. Zaria,...district, Transvaal, hypersthene, dolerite, 9o9. NORTH AMERICA Greenland Kangerdlugssuaq, arfvedsonite |  | | Journal (article/letter/editorial) | | on a larger scale. The Palseozoic block in the north emerges from below the transgression of the Upper...by faults of north and south direction which seem to be the prolongation towards the north of the great...great graben of the Upper Rhine formed in Tertiary times. But the shore facies of the Upper Permian (Zechstein)...different in composition. Towards the west, the north-westerly part of the Rhenish Schiefergebirge is...In a similar way the old block is divided on the north by the triangular area of subsidence, called the |  | | Journal (article/letter/editorial) | | with the inten tion of proceeding by way of the Rhine to Switzerland, my object being to lay in a new...and pleasantly southwards by a Rhine steamer, which I left at Cologne, to have another look at the famous...the same locality* as that from which * The Drachenfels, one of the heights of the Siebengebirge at Konigswinter..."castled crag frowns o'er the wide and winding Rhine." On visiting this district some days later I at...this rock as that of which the pillars in the Cologne Cathedral were built, and I learned that it had |  | | Journal (article/letter/editorial) | | Siebengebirge, in a lump of scoriaceous porous trachyte from the Stenzelberg. This lump is so porous t...(hexagonal prisms with the basal face) in the trachyte of the Lorberg, which belongs to the sanidine-oligoclnse...sanidine-oligoclnse trachytes, or the so-called Drachenfels variety. This is tchefourth instance of the occurrence...nepheline in the volcanic district of the Lower Rhine, the other three being-(] .) in the sanidine blocks...On a, Meteorite which fell at Ibbenbuhren, in Westphalia. By S. VOM RATH (Pogg. Ann., cxlvi, 463-47'5) |  | | Journal (article/letter/editorial) | | vesicular lava from the Rhine, and in the white trachyte from the Drachenfels on the Rhine, in tolerable quantity...3rd, gray vesicular lava from Niedermennig on the Rhine ; 4th, white traehyte from the Draehenfels; 5th |  | | Journal (article/letter/editorial) | | KANOLOGISCH-PETROGRAPHISCHEN IM EXKURSIONEN SIEBENGEBIRGE AM RHEIN, LAACHER VULKANGEBIET UND MAARGEBIEI' DER WESTEIFEL...a petrologic visit to the Siebengebirge on the Rhine, the Laacher See region, or the Maargebiet of the...textbook example of "sanidine" from the trachyte of the Drachenfels-a locality made famous by the structurai...Enke Verlag, Hasenbergsteige 3, Stuttgart W., Germany, 1965 566 pp., 43 figs., numerous Tables. DM 93 |  | | Journal (issue) | | iently to find the way down . The geology of the Rhine Valley was interesting , but it has already been...volcanic character . The Drachenfels , the Wolkenberg and the Lolerberg are of trachyte . The Oelberg , Nounenstromberg...only be seen all together , from near Cologne . Beyond Cologne the river expands and forms with its delta...of Holland . The table - land through which the Rhine valley has been cut , con sists of much twisted...indestructibility . Down to the confluence of the Sieg , these are often accompanied by a species of clay |  | | Journal (article/letter/editorial) | | divides the horizon, proceeding in the direction north, east, south, west : - - 7 4 , 90, 82, 91, 114,...than from the west, and nearly as many from the north as from the south. The author thinks that the difference...greatest possible; in summer the influence of the north is very perceptible. W i t h regard to the influence...horary variations are more marked. Those from the north are most numerous towards midnight, and least so...vesicular lava from the Rhine, and in the white trachyte from the Drachenfels on the Rhine, in tolerable quantity |  | | 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 |  | | Journal (volume) | | Cambridge) VII. . . . Basin of the Eden, and north- western Coasts of Cumberland and Lancashire. ...260, — /or Berston Benston 2G2, — for South read North — — for between Gin Cross read from Gore Cross 273...an interesting object of com- parison with the north-eastern terminations of the same strata on the coast...northern extremity of Portland about sixteen miles north-westward to Burton Castle, and causing the sea to...Golden Cap The cliffs Vale of it bounded on the north and two into Weymouth and east distinct compart- |  | | Report (chapter) | | Rhenish tuffs from the volcanic Eifel region in Germany, in particular the so-called Römer tuff, are among...evaluation. Volcanic tuffs from the Eifel region, Germany, constitute a major part of the Dutch built cultural...markets from which tuff, imported over the river Rhine, was distributed over large parts of the country...(around Bruges; Slinger et al. 1980) and in northern Germany and western Denmark (Haiduck 1992). Important Dutch...was partly due to the levy of toll on the river Rhine, whereas Bentheim sandstone could be imported over |  | | Journal (article/letter/editorial) | | den Trachyten vom Mont nor sowie in denen vom Drachenfels im Siebengebirge aufgefunden hatte '), lag die...den Sanidin - Oligoklas - Trachy ten von dem Drachenfels und der Perlenhardt im Siebengebirge, von Monte...bis jetzt iibersehen ltifst sind vorzugsweise Trachyte mit Sanidiii rind kieselstiarereichern Plagioblasen |  | | Journal (article/letter/editorial) | | EARTH AND PLANETARY SCIENCE LETTERS 4 (1968) 79-83. NORTH-HOLLAND PUBLISHING COMP., AMS~I/!~DAM A REINTERPRETATION...Tinguaite Marangudzi (Southern Rhodesia) 3R 3P1 Trachyte pitchstone (Cantal, France) Sample and locality...4P1 550 220 1900 2.54 1,74 5.32 Trachyte 5R (Drachenfels, Germany) 5G 5PI 510 75 2200 1.67 0.58 4...the sanidine o f a plagioclase-free porphyritic trachyte [25]. The sanidine and original liquid have, respectively...geochemistry of some natural acid glasses from the North Atlantic volcanic province, Geochim. Cosmochim. |  | | Journal (article/letter/editorial) | | J. Johnston-Lavis—Trachyte at Naples. V I I . — O N A KKHARKABLE SODALITE TRACHYTE LATELY DISCOVERED...I drew attention to some very large masses of trachyte traversed, at the back of Naples, by the tunnel...earliestdiscovered and most striking of these masses. This trachyte is cut through on the E.N.E. side, at 1890 metres...arc, the circumference or boundary-line of the trachyte being directed southerly, or towards the present...end a talus is cut through of fragments of the trachyte and other materials, on which is superposed a |  | | Journal (article/letter/editorial) | | tablets, exactly like those from the trachyte of the Drachenfels, and mostly united in twins, triple crystals...contains a larger proportion of tridymite than any trachyte. According t o Laspeyres, the porphyrites of the...dried state, 65.8 p. c. silica. I n the trachyte of the Drachenfels the silica amounts t o 64.67 p. c. ;...in which it has been found. Its occurrence in trachyte and in non-quartxose orthoclase-porphyry, o r |  | | Book | | Martin Meschede Laurence N. Warr The Geology of Germany A Process-Oriented Approach Regional Geology...Reviews Series editors Roland Oberhänsli, Potsdam, Germany Maarten J. de Wit, Nelson Mandela University, Port... Martin Meschede • Laurence N. Warr The Geology of Germany A Process-Oriented Approach 123 Martin Meschede...and Geology University of Greifswald Greifswald, Germany Laurence N. Warr Institute of Geography and Geology...Geology University of Greifswald Greifswald, Germany ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional |  | | Journal (article/letter/editorial) | | Orthogranitite. 'Reginald A. Daly, "Geology of the North AmericanCordilleraat the Fortyninth Parallel," Geol...this family. See note under (217). (2111) Albite-trachyte. See note under (217). Albite-monzonite. This...Hypersthene-syenite(Syn.: Mangerite), etc. Trachyte HAOY. The term trachyte, from the Greek rpaxbv,on account...Plantes to characterize the rocks from the Drachenfels on the Rhine. Although the feldspar in these rocks...and called them andesites. At the present time trachyte is used for the extrusive equivalents of syenite |  | | Journal (article/letter/editorial) | | Aufsehlrisse schlechter u n d 1) DANNENBERG,Die Trachyte, Andesite und Phonolithe des Westerwaldes. Tschermaks...durehgeftihrt. 2) H. u. E. CLoos, Die Quellkuppe des Drachenfels am Rheim Ihre Tektonik und Bildungsweise. Das...HochwSlbung scheint dagegen zum Unterschied vom Drachenfels l~nger angedauert und die Erstarrung der Sehmelze...das entsprechende flache Seheitelstilck beim Drachenfels. 2) Die regelmal~ig ovale Form li~l~t sich nur |  | | Journal (article/letter/editorial) | | on the Physical Structure of West Somerset and North Devon (Quart. Journ. Geol. Soc., vol. xxiii. p....accidental. Originally, it was probably a sanidine trachyte (there is hardly enough free quartz for a rhyolite)...microliths (perhaps not very unlike some of the Drachenfels trachyte). A slight amount of brecciation may have...Devonian Period. IV.—ERRATICS AT HIGH LEVELS IN NORTH-WESTERN AMERICA— BARRIERS TO A GREAT ICE-SHEET....By George M. DAWSON, F.G.S., Geologist to H.M. North-American Boundary Commission. T the last edition |  | | Journal (article/letter/editorial) | | IV. The tertiary voleanics of the Lausitz area, Germany 1) By A. E. M. NAIltN, Cleveland and H. VOLLSTADT...Lausitz area in the eastern part of Germany belong to the north Bohemian province. If the outcrops are...the Variscan folds, from the Eifel in Western Germany to Poland in the east lies a wide zone in which...be regarded as part of the volcanic province of north Bohemia. This province extends roughly from the...(1960) and the results of some preliminary work in Germany (NAmN, 1969,). It is possible to fit, tentatively |  | Schärer, U., Berndt, J., Scherer, E.E., Kooijman, E., Deutsch, A., Klostermann, J. (2012) Major geological cycles substantiated by U–Pb ages and εHfi of detrital zircon grains from the Lower Rhine Basin. Chemical Geology, 294. 63-74 doi:10.1016/j.chemgeo.2011.11.007 | Journal (article/letter/editorial) | | and εHfi of detrital zircon grains from the Lower Rhine Basin U. Schärer a, b,⁎, J. Berndt a, E.E. Scherer...Mineralogie, Corrensstr. 24, D-48149 Münster, Germany Université de Nice, Sophia Antipolis, Geoazur,...Münster, Germany d Geologischer Dienst Nordrhein-Westfalen, Postfach 100763, D-47707 Krefeld, Germany b c...isotopes Lower Rhine Basin a b s t r a c t Detrital zircon grains of the Cenozoic Lower Rhine Basin were...cycles. The oldest terrains exposed today along the Rhine River and the Alps belong to the Variscan cycle |
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