 | | Journal (article/letter/editorial) | | older rock) for silicate minerals in carbonatites. Quartz, feldspars, and orthopyroxene are unlikely to be...carbonatites are lower than those required to stabilize quartz and alkali feldspars, for example, and are commonly...potassium feldspar, nepheline, perovskite, sphene and quartz have all been found in various carbonatite associations...provided data, but for these the silica component was quartz because no data were given for silica liquid or...reason alone. Silicates and oxides in carbonatites Quartz, feldspars, zircon, and titanite are reported in |  | | Journal (article/letter/editorial) | | mineral occurs in imperfect prismatic crystals in quartz. Its sp. gr. is 6.23. B. H. B. Braunite from Jakobsberg...columbite of Connecticut. Pectolite from Auchensterry Quarry, Kilsyth. By J. YOUNG (Zeit. K r y s t . Min,....from Easton, Pennsylvania ; IV. Biotite from Oberbergen in the Kaiserstuhl ; V. Biotite from the Klausenalpe |  | | Journal (article/letter/editorial) | | covered by a, subsequent deposit of quartz. I n cavities in the quartz, cinnabar occurs ; it also appears...realgar occur a t Kregevo (Bosnia), implanted on quartz crystah in a greyish micaceous phyllite. The realgar...basalt of Burkheim ; 3. Prom the hauyn-basalt of Oberbergen ; 4. Prom the porphyritic basalt of Amoltern...CHEMICAL PAPERS. Analysis of Sericite from the Quartz-phyllite of Wiltau. By C. SENHOFER (Zeit. Kyst |  | | Book (edition) | | very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....historical names of regions is preferred here, e.g. Upper Silesia, Moravia and Transylvania. Some names of...deposits of the central United States or of the Upper Silesian historical region in Poland, where the |  | | Book | | zeolites, feldspars, feldspathoids, scapolites, quartz minerals, and danburite. The relationship between...groups of minerals with a framework structure. Quartz minerals are composed of tetrahedra with four oxygen...Preexisting minerals like analcime, levyne, harmotome, quartz, and feldspar were not changed. The nomenclature...thick, are found. The formation consists of an upper zone (200 to 500 meters thick) containing fresh...analcime (with or without potassium feldspar and quartz) resulting from reaction of the solution with earlier | | | Book | | zeolites, feldspars, feldspathoids, scapolites, quartz minerals, and danburite. The relationship between...groups of minerals with a framework structure. Quartz minerals are composed of tetrahedra with four oxygen...Preexisting minerals like analcime, levyne, harmotome, quartz, and feldspar were not changed. The nomenclature...thick, are found. The formation consists of an upper zone (200 to 500 meters thick) containing fresh...analcime (with or without potassium feldspar and quartz) resulting from reaction of the solution with earlier |  | | Journal (article/letter/editorial) | | ...... 175 2. The Products of the Re-fusion of Quartz-felsite Fragments by the Basalt of the Ascherhiibel...1-40. 5 , Gneiss-Einschliisse aus Nephelinit yon Oberbergen am Kaiserstuhl,' Neues Jahrb. 1880, vol. ii....spherulitic structure has been developed in acid rocks (quartz-felsites)where they are in contact with other igneous... Bonney. '2. THE PRODUCTSOF Tn-E ]~E-FUSlON OF QUARTZ-~ELSlTE FRAGMENTS B~ THE BASALTOF AS0n~HOBEL, SxXO~Y...show the characters belonging to the well-known ' quartz-porphyry ' of Specthausen and Tharandt, there are |  | | Book | | terms applied to jasper, agate, and other forms of quartz, as well as opal. Non-English terms commonly used...can be assigned. For example, granite must have quartz and potassic feldspar, syenite must have potassic...limestone must have calcite, sandstone must have quartz, and so on. Characterizing accessory minerals (and...hornblende syenite, bituminous limestone, siliceous (quartz) dolomite, glauconitic sandstone. Other minerals...mixed with ordinary sediments such as detrital quartz, calcite, and clay minerals. Rocks as well as minerals |  | | Book | | granites; the most frequent granites were named quartz-monzonite in America and adamellite in England...demand that quartz-monzonite in relation to monzonite must have the same status as quartz-syenite to syenite...syenite and quartz-diorite to diorite. On this critical point, Paul Bateman made an inquiry concerning...respondents declared themselves willing to accept quartz-monzonite as a term for field 8*, i.e. for a straight...which volume modal data must be determined: Q = quartz, tridymite, cristobalite A = alkali feldspar, including |  | | Book | | quartz. A group of prismatic crystals with terminal pyramid...important members augite and hornblende. Next come quartz and mica (dark biotite and light muscovite). These...elements occur it will be obvious that silicates and quartz are the minerals most widely distributed. Nevertheless...crystal edges. From Cecilia mine, Wo6lsendorf, Upper Palatinate, Bavaria. Fluorite from Latin fluor,...foil on milky-white quartz. > From Musariu mine, Transylvania. Gold Au cubic. Quartz from German quarzen |  | | Book | | parageneses that ZER 1 a violet variety of the mineral quartz. A group of prismatic crystals with terminal pyramid...i1nportant 1ne111bers augite and hornblende. Next come quartz and 1nica (dark biotite and light muscovire). These...elements occur it will be obvious that silicates and quartz are the minerals most widely distributed. Nevertheless...brown-coloured crystal edges. From Cecilia mine, WOlsendorf, Upper Palatinate, Bavaria. Fluorite from Latin fluor,...foil on milky-white quartz. !> From Musariu mine, Transylvania. Gold Au cubic. Quartz fron1 German quarzen |  | | | | that <1 AMETHYST a violet variety of the mineral quartz. A group of prismatic crystals with terminal pyramid...important members augite and hornblende. Next come quartz and mica (dark biotite and light muscovite). These...elements occur it will be obvious that silicates and quartz are the minerals most _ widely distributed. Nevertheless...brown-coloured crystal edges. From Cecilia mine, Wélsendorf, Upper Palatinate, Bavaria. Fluorite from Latin fluor,...foil on milky-white quartz. > From Musariu mine, Transylvania. Gold Au cubic. Quartz from German Scale |  | Wang, Lian-Xun, Marks, Michael A.W., Wenzel, Thomas, Von Der Handt, Anette, Keller, Jörg, Teiber, Holger, Markl, Gregor (2014) Apatites from the Kaiserstuhl Volcanic Complex, Germany: new constraints on the relationship between carbonatite and associated silicate rocks. European Journal of Mineralogy, 26 (3) 397-414 doi:10.1127/0935-1221/2014/0026-2377 | Journal (article/letter/editorial) | | 33 The KVC is located in the southern part of Upper Rhine Graben (Fig. 1a) and is part of extensive...Katzenbuckel Badloch Heidelberg Rh ine G rab en Oberbergen e riv Odin Mainz s Fo rest Eifel Bötzingen...Simplified geological map of the Rhine Graben district (a), and the Kaiserstuhl Volcanic Complex (b)...aliquots of these suspensions were pipetted onto quartz glass sample discs and dried on a hot plate at...carbonatite-melilitite relationships in the Kaiserstuhl complex, Upper Rhinegraben. 5th international Kimberlite Conference |  | | Journal (issue) | | Beaunit (Massif Central). NEWSOM,G.: The JelTrey Quarry Le Mo11deet /es Mineraux. Mai/ (Arkansas-Quarz)...J. 0.: Famous Mineral Localities: The Brumado District, Bahia, Brazil. The Mineralogical Record, Mail...1978. R0BrNSON,G.: Chalcanthite from the Helvetia District, Arizona. The Mineralogica/ Record, Juli/ Aug...Silverton). Rockho1111d,Apnl 1978. REAM,L. R.: Smoky Quartz Crystals at Rock Corral (Central Utah). Rockhound...1978. MtTCHELL,J. R.: The Owlhead Mountains, Smoky Quartz. Lapidary Journal, Mai 1978. RATKEVICH, R.: Fishing |  | | Journal (article/letter/editorial) | | is merely a fraction of the total number in the district. Far the most satisfactory exposures are those...rocks of the.Orcadian Old Eed Sandstone in the district, the red sandstones of the John o' Groats series...Deerness. They are not yet proved to be later than the Upper Old Eed Sandstone of Hoy; they are not confined...scattered about the section. There is no trace of quartz or of undecomposed ferro-magnesian minerals. But...compare it. Needless to say, the sections show no quartz. The presence of glassy material in the selvage |  | | Journal (issue) | | v. ECKERMANN, dessen Hauptwerk: ,.The alkaline district of Aln0 Island" (1948 a) beute zu den klassischen...Kaise rstuhl 1970 im Steinbruch a m Badberg bei Oberbergen nach BARANYI (1970bJ, WIMMENAUER et al. (1972)...sie sind wahrscheinlich Derivate alkalisierten „Upper Mantle"-Materials. 3. Das C0 2 der Carbonatite ist...G . L. E. (1969) : Fcldspa thoidal syenitc in a quartz diabase sill , Brookvillc. New Jersey. J . Petrol...278. v. ECKERMAKN , H. (1948 a): The alkaline district of Alm, Island . - Sverigcs Geol. Undersök . Ser |  | Braunger, S, Marks, M A W, Walter, B F, Neubauer, R, Reich, R, Wenzel, T, Parsapoor, A, Markl, G (2018) The Petrology of the Kaiserstuhl Volcanic Complex, SW Germany: The Importance of Metasomatized and Oxidized Lithospheric Mantle for Carbonatite Generation. Journal of Petrology, 59 (9) 1731-1762 doi:10.1093/petrology/egy078 | Journal (article/letter/editorial) | | log-deviation from the synthetic fayalite-magnetite-quartz (FMQ) buffer (e.g., Frost, 1991). For example,...Province, situated in the southern part of the Upper Rhine Graben, about 20 km NW of Freiburg, southwest...southwest Germany (Fig. 1a; Wilson & Downes, 1991). The Upper Rhine Graben formed as a consequence of the stress... and perovskite-bearing carbonatites record an upper silica activity limit of 0.2. Redox estimates for...among Fe-Mg-Mn-Ti oxides, pyroxenes, olivine, and quartz. Computers & Geosciences 19, 1333-1350. Anderson |  | | Journal (issue) | | Marie Louise LINDBERG (1949) genannten von Fletcher Quarry, USA. Auffallend ist aber die direkte Nachbarschaft...olive brown to greenish black color in limonite and quartz'" von Hirschberg, Thiiringen (diesen Fundort nimmt...Vcrwcchslung mit Neubulach bc1 Calw vor? Untcr Oberbergen (Ka isersluhl) !indet sich das Badloch wo es |  | | Journal (issue) | | dann über schattenlose Straßen nach Oberrotweil, Oberbergen und über den Vogelsangpaß nach Oberschaffhausen...Mineralsammler, z. B. Vater und Sohn König in Oberbergen, die für die Exkursionen zuvor gesammelte Minerale...Zeiten, war der Mineralsammler J. N. SCHÜBLE in Oberbergen tätig; als prominenter Sammler und Kenner in...Heulendile, Okenile, Gyrollle, Prehnile, Calcite, Quartz, Amethyst. Scolecite, Chabazile, Rubin Exemplare |  | | Book (volume) | | of crystalline rocks, &e. 3ae Quartz-bearing plagioclase rocks . Quartz-orthoclase rocks 36) . Cuapter...Granite of Anglesey 233 234 Granites of the Lake District 235 granite. Clarence King on American volcanic...Piuronic Rocks. Minette and pikrite of the Lake District . ‘ Granite in Scotland ie Arran . : 3 Granites.... Texture of igneous rocks . Propylite . . é . Quartz propylite . : c . Andesites . C S 3 . Dacite .... - 356] Gneiss . : 357 | Mica schist . é 4 Quartz rock . 5 - 361 | Crystalline limestone XXJ |  | | Journal (article/letter/editorial) | | investigation of the island, have shown t h a t at both the upper and lower contacts the pierite passes into teschenite...gradt~ally to less basic :v.ariet[es towards both upper and lower contacts) A picrite assoeia~d w i t h...by its increasing fineness of grain towards both upper and lower contacts, and by the marginal fringes...sandstone is encountered about 12 feet from the upper margin of the sill. So far as can be ascertained...of the Fig. 1.--Geological ~afl o f the Lugar district, on the scale of i incl~ to the mile, or 1 : 68 |  | | Book (volume) | | Forsterite, crystalline limestone, Mogok Mining District, Burma (Adams and Graham, 1926). Olivine, with...exist, however, in equilibrium in the assemblage quartz, minnesotaite, Fe3Si40io(OH)2 (a ferrous iron analogue...high and there is a water deficiency, and with quartz and magnetite when no water is present in the sys¬...decomposes to fayalite, quartz and water. Above 480°C. the assemblage fayalite, quartz and water, with or...usually together with goethite, also commonly with quartz and calcite, and more rarely with talc and mica |  | | Book (edition) | | Ches Cheshire, England. 5 Clev Cleveland iron district, England. Colom Republic of Colombia. Corn...Canal Zone KS Kansas ND North Dakota DC District of Columbia KY Kentucky OH Ohio GU Guam ...mineral. Syn: accessory accessory plate a. The quartz wedge inserted in the microscope substage above...determine optical sign of uniaxial minerals. CF: quartz wedge b. The selenite plate that gives the sensitive...or reflection by, a crystalline material; e.g., quartz wedge, mica plate, gypsum plate, or Bertrand lens |  | | Book (edition) | | where hkl is the symbol of any one of its :'i Tlie upper and lower halves of the table in (66), contain nhkl^...Digitized by Goo^^Ic BHOICBOHZDBAL 8TBTXX. 33 the upper or lower sign being taken according as t and d are...symbols of the faces of xhkl are contained in the upper Mi those of in the lower line of the above table...and not less than six or eight feet. The mon The upper signal, when the obserratioai distant the bettor... or i horbontal slit in a screen plaeed in the upper part of i window, parallel to the axis of the circle; |  | | Report (volume) | | hoodoos.. .....................r.......... 50 Upper zone of white rock ...............................Highwood Gap, showing slopes of vol' canic debris; 13, Upper Davis Creek, mountains of volcanic flows and breccias...was necessarily limited. Future studies of the district may therefore bring out minor features which were...including a summary account of the geology of the district by Mr. Weed in the Forb Benton folio. A list of...233. 6. On the Geology and Natural History of the Upper Missouri; Report made to G. K. Warren by Dr. F. |
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