 | | Journal (article/letter/editorial) | | Belnhausen, Darmstadt, ankerite, 138. Eifel, Rhineland, barian sanidine, 914. Elgersburg, Thuringia, pyrolusite...manganite, 274. Orlberg, Kaiserstuhl, Baden, K-rich trachyte, 334. Wolfsberg, Harz, gersdorffite, 38. British...INDEX Ecton, Staffordshire, serpierite, 882. Mells quarry, Frome, Somerset, calcite, 70. Roughten Gill, Cumberland...localities, p. 1078: Castle an Dinas quarry; Cripple's Ease quarry; Great Zawn, Zennor; Knill's Steeple...Mount ; Tregarden quarry, Luxulyan ; Tremearne ; and Tresayes. Devon Meldon railway quarry, metamorphosed |  | | 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...Mo [Westerwald 28-5 MoI/~ 20- 8 Ma t Upper Palatinate 29-19 M o I [Siebengebirge 26-I1 Me 28-6Ma~ |  | | Journal (article/letter/editorial) | | Tübingen, Germany 3 Hessisches Landesamt für 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...include results for previously undated trachyte from a small quarry SW of Bellmuth (Wetterau) and additional |  | | Journal (article/letter/editorial) | | Animas, Atocha, Bolivia, stannite, 1045. Ankerite, Germany, thermal decomposition of, 138. An]~ole, Uganda...Rosia (Siena), Italy, 1037. Belnhausen, Darmstadt, Germany, ankerite, 138. Benallt mine, Caernarvon~hire...Antrim, ferrian chlorospinel, 948. Castle an Dinas quarry, Cornwall, tourmaline, 1078. Catron City, New Mexico...Cordierite, Rhodesia, anal., 1052. Cripple's Ease quarry, Cornwall, tourmaline, 1078. Crccidolite, Bolivia...of 2V, 299. Eifel, Rhineland, barian sanidine, 914. Elgersburg, Thuringia, Germany, pyrolusite pseudomorphous |  | | Book (volume) | | (Specord 75 IR or Specord M80, Carl Zeiss, Jena, Germany), Perkin Elmer 1600 Series FT IR spectrometer or...FT IR spectrometer (Bruker Optics, Ettlingen, Germany). IR spectrum of a pure KBr disc was subtracted...Mg3B7O13Cl Locality: Wandsleben, Saxony-Anhalt, Germany. Description: White to beige fine-grained aggregate...Lüneburger Kalkberg, Lüneburg, Lower Saxony, Germany (type locality). Description: White fibrous aggregate...Locality: Kohnstein Quarry, Niedersachswerfen, Nordhausen, Harz, Thuringia, Germany. Description: White |  | | Report (chapter) | | University of Exeter on July 18, 2015 Fire damage of trachyte: investigations of the Teplá monastery building...München, Germany 2 Zentrum für 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...original quarry was heated, proved the same reddened surface. Three varieties of local trachyte were examined:...therefore iron hydroxide-bearing type (TB) and a trachyte typical with black manganese oxide dendrites and |  | | Journal (article/letter/editorial) | | magnesia; while the labradorite-basalt of Markle Quarry contains 49'5 per cent, of silica and only 2*8...The material examined was obtained from Chester's Quarry. It is composed of olivine, augite, and magnetic...Sp. G. 2-76 The "Labradorite-Basalt" of Markle Quarry*—This is a still more felspathic type. In this...majority of the rocks contain porphyritic crystals of sanidine, showing the rectangular form, Carlsbad twinning...apparently of the same nature as the porphyritic sanidine. Although in most of the rocks the whole of the |  | | 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 |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...fibrous sphalerite from Diepenlinchen, near Aachen, Germany. PLATE Vo I~ .·• / ~1 rhyolite 37 r . ...chalcopyrite from Herdorf, Siegerland, Germany. Center. Pyrrhotite. Harzburg, Germany. Below Massive chakopyrite...dioriteporphyry dioriteaplite feldspar (K) hornblende trachyte *porphyry syemteporphyry syemte- nephelincporphyry...siderite and calcite crystals. Clausthal, Harz Mts., Germany. PLATE 5 • • 4J animals (bitumen, oil) has |  | | Journal (article/letter/editorial) | | UniÕersity, FB 9, Department of Geology, Essen, Germany Received 20 February 1998; accepted 2 December...Basaltic Trachyandesites, S3 s Trachyandesites, T s Trachyte, U1 s Basanite, Tephrite, U2 s Phonotephrite,...Fig. 3. Schematic sketch map of the Bittersberg quarry. Coordinates are German Gauss–Kruger-Coordinates...subvolcanic intrusion, which is well exposed in a quarry on the east side of the hill ŽFig. 3.. The intrusion...dominated by a light grey to dark grey massive trachyte which was intruded into Tertiary sediments and |  | | Journal (article/letter/editorial) | | basalt through to phonolite and feldspathoidal trachyte. These flows appear to have originated from *...discriminate between mugearite and benmoreite, and trachyte and benmoreite (Tilley & Muir, 1964); (b) The...ranging in composition from basalt and basanite to trachyte and phonolite. In the more evolved rocks (trachyandesite...groundmass Phenocrysts abundant Gm Feldspathoidal trachyte Ph: Phonolite Ph: Fo35 Gin: Fo2 Ph: Ti-augite...augite Gin: Aegirine common in augite groundmass Trachyte Ph: Ti-augite Gm: Diopsidic Minor in augite groundmass |  | | Journal (article/letter/editorial) | | Dirleton, there is an exposure of excellent trachyte in a quarry by the roadside. Mention of this place is...Lothian, 1910, p. 78, where it is stated that the trachyte there exposed is intrusive in its nature, the...stated further that numerous specimens of the trachyte, enclosing fragments of the marl, can be seen...place. On 14th July 1920 the quarry was visited and the exposure of trachyte with the red band was examined...in the trachyte. Many of the specimens, when first examined, suggest that a breccia of trachyte has been |  | | Journal (article/letter/editorial) | | LIDDISDALE. 91 point visited. Here, in a small quarry off the road, was a rotten pale grey rock full...areas. The chief rock types represented are :— (1) Sanidine Trachytes: rWith quartz and segerine, The Craig...others trachytes. ' Near its northern end a plug of trachyte penetrates the neck and occupies the narrow col...greywackes, together with angular fragments of trachyte, clastic felspars, such as microcline, orthoclase...May 19, 2015 96 EDINBURGH GEOLOGICAL SOCIETT. trachyte, with tiny orthoclase fragments embedded in a |  | | Journal (article/letter/editorial) | | involved in the eruption, ranges in composition from trachyte (SiO2 = 62.5 wt%) to latite (SiO2 58 wt%) in...very low content of phenocrysts (from 4 wt% in trachyte pumice to 1 wt% in the latite scoriae), most of...latitic rocks, consist of discrete crystals of sanidine and plagioclase wetted by trachytic glass and...marked and regular base to top chemical variation (trachyte±latite). In this paper we reconstruct the pre-eruptive...shoshonite (SiO2 52.5 wt%, Na2O+K2O 8 wt%) to trachyte (SiO2 63 wt%, Na2O+K2O 12.5 wt%) and, compared |  | | 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...diorite, pyroxenite, syenite, albite, sanidine, 37o. Book reviews, see page 985. Boolcoomatta, South Australia...Australia, alkali feldspar, anal., d2oi, 489. Bosahan quarry, Falmouth, Cornwall, biotite, 2IO. BOWDEN (P.)...with hornblende, 923. Dadsonite, Canada, Nevada, Germany, and synthetic, anal., opt., X-ray, 437. Darkainle |  | | Journal (article/letter/editorial) | | lower than those on the anterior. Locality.—Old Quarry on Crosshouse Farm, near Bast Kilbride, from shale...Petalorhynehus ? Benniei, E. Eth., Jan., Shiells Quarry, near East Kilbride; view of posterior face, x...Pelalorhynchus i Benniei, E . Eth., Jun., Shiells Quarry, near East Kilbride; view of anterior face, x 2...We may indeed call this tuff the " froth " of trachyte, and compare its relations to that rock with those...pumiceous fragments, mingled with broken crystals of sanidine and numerous plates of black mica; these being |  | | Journal (article/letter/editorial) | | Among these, are the Laacher See district of Germany, the Toro-Ankole and the Virunga-Bufumbira fields...SV 1 to SV 29 have decreasing modal contents of sanidine, those ranging from SV 30 to SV 42 increasing...for sanidine and leucite were established by adding weighted amounts of these minerals to sanidine- or...Labradoritic to bytownitic plagioclase was mixed with a sanidine-free Vesuvius rock after determination of its...point-counting. A sanidine-free rock was chosen in order to avoid confusing sanidine with plagioclase |  | | Journal (article/letter/editorial) | | Geochemie der Isotope, Gbttingen, Lotzestr. 16, Germany (Eingegangen 30 November 1964) Zusamm&assung-Eine...Weidenhahn SW. Freilingen (Westerwald) Trachyt Reimerath (Eifel) Trachyt Drachenfels (Siebengeb.) Trachyt...alkalibetonten ErguBgesteine-Trachyte, Phonolithebetrachten, so zeichnen sich die Trachyte bis auf die vom Drachenfels...Drachenfels und von Reimerath durch einen ziemlich konstanten C-Gehalt zwischen 170 und 240 ppm aus. Der...Der hohe Kohlenstoffgehalt des Trachytes von Reimerath kann, da es sich hier urn eine Probe handelt, die |  | | Report (issue) | | Kapiti Phonolite (2) Upper Athi Tuffs (3) Mbagathi Trachyte (4) Olorgesailie Trachytes, Augite Basalts and...and Kerichwa ValleyJTuff (8) Ol Esayeiti Lower Trachyte .. (9) Ol Esayeiti Oligoclase Tephrite (10) Ol...Ol Esayeiti Phonolite (11) Ol Esayeiti Upper Trachyte . (12) Ol Esayeiti Agglomerate (13) Ol Keju Nero...Volcanic Rocks (1) Alkali Trachytes (2) Orthophyre-Trachyte 4. Superficial Deposits .. (1) Olorgesailie Lake...Lake Beds Pleistocene Grid Faulting Orthophyre-trachyte Alkali Trachytes Ol Keju Nero Basalts Rift Faulting |  | Renzulli, Alberto, Santi, Patrizia, Nappi, Giovanni, Luni, Mario, Vitali, Daniele (2002) Provenance and trade of volcanic rock millstones from Etruscan-Celtic and Roman archaeological sites in Central Italy. European Journal of Mineralogy, 14 (1) 175-183 doi:10.1127/0935-1221/2002/0014-0175 | Journal (article/letter/editorial) | | established for the Orvieto centre. Euganean Hills (Na-trachyte), Etna (hawaiite) and Iblean Mounts (tholeiitic...millstone, volcanic rock, lava, leucite phonolite, trachyte, hawaiite, basalt. Introduction Archaeological...studied samples. Abbreviations: lc: leucite, san: sanidine, plag: plagioclase, cpx: clinopyroxene, ancl:...glomerophyres are represented by leucite (up to 10 mm), sanidine (£ 4 mm), plagioclase (£ 2 mm) and clinopyroxene...occur very frequently in the clinopyroxene and the sanidine phenocrysts. Sub-euhedral plagioclase phenocrysts |  | | Journal (article/letter/editorial) | | distribution ratios intermediate between those of sanidine and plagioclase. The Ba/Sr ratios of the sanidines...plagioclase initially which was later joined by sanidine. The order of feldspar crystallisation in 5R,...small temperature interval. Trachyte 4R started crystallising a sanidine which was joined by plagioclase;... M. B. HENDERSON 248 completely resorbed as sanidine 4A has higher An than the original liquid. Phonolites...3 Porphycitic trachyte pitchstone, Murat, Cantal, France. 3811. Porphyritic trachyte, Drachenfcls, Rhine |  | | Journal (article/letter/editorial) | | main Mountsorrel Quarry. Granodiorite, South of Cocklow Wood. Granodiorite, Cocklow Quarry. Granodiorite...Mountsorrel Quarry. Gabbro. Granodiorite, Rubbish Tip Quarry. Granodiorite, main Mountsorrel Quarry. Granodiorite...is stated to represent the only occurrence of trachyte upon the island. The rocks collected by Capt....entirely of a clear, transparent orthoclase of the sanidine variety, which occurs chiefly as a mass of minute...biotite-trachyte, which undoubtedly represent the rocks identified by Giirich as mica-trachyte,2 differ |  | | Journal (article/letter/editorial) | | Ground- Leumass cite Wt. % oxide Normative Sanidine SiO2 AlzO3 K20 Leucite Nepheline 3.8 S-1...Hills. The same also applies to the leucite and sanidine phenocrysts. Of the analyzed Vico samples, the...(~ Whole rock Wt. % oxide Normative Leucite Sanidine Augite SiO2 A1203 K 2 0 Leucite - - - ...4 V-2 Leucite trachyte [8.6] - 9.01 - 55.7 16.2 7.0 0 3.7 V-3 Trachyte [9.0] - 9.40 ...phonolite 8.91 8.28 - - 51.4 18.5 8.4 3.9 Trachyte 9.12 - 10.05 .+0.14 - 54.4 17.2 7.8 0 |  | Maritan, Lara, Mazzoli, Claudio, Sassi, Raffaele, Speranza, Fabio, Zanco, Angela, Zanovello, Paola (2013) Trachyte from the Roman aqueducts of Padua and Este (north-east Italy): a provenance study based on petrography, chemistry and magnetic susceptibility. European Journal of Mineralogy, 25 (3) 415-427 doi:10.1127/0935-1221/2013/0025-2282 | Journal (article/letter/editorial) | | 2013, 25, 415–427 Published online April 2013 Trachyte from the Roman aqueducts of Padua and Este (north-east...Italy), in order to identify the petrography and the quarry/ies of provenance from which the stones were exploited...Roman aqueduct were of volcanic origin, with a trachyte composition, were quarried from two different...acqueduct piping, building stones, provenance, trachyte, Euganean Hills, petrography, chemistry, magnetic...stone and was worked by expert labourers. Euganean trachyte was largely employed in the ancient Venetian, |  | | Journal (article/letter/editorial) | | differentiated basaltic trachyandesite–trachyandesite–trachyte– rhyolite series of Lower Permian age with lower...Active quarry Abandoned quarry Abandoned quarry Cliffs near a spring Abandoned quarry Active quarry, level...level 1 Active quarry, level 7 Boulder field Free boulders Road cut Abandoned quarry Large boulders Cliffs...Cliffs Small abandoned quarry Active quarry Rocks Trachyandesite Trachyandesite Trachyandesite Rhyolite...Ignimbritic rhyolite Ignimbritic rhyolite Trachyte Trachyte Andesite Trachyandesite Glassy andesite 373 |
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Trachyte quarry, Reimerath, Kelberg, Vulkaneifel, Rhineland-Palatinate, Germany