 | | Report (issue) | | of the quartz-pyrite veins of the White Signal district............................... Quartz-molybdenite............... Quartz-specularite veins........................................... Quartz-pyrite veins...porphyritic and equigranular intrusives of dominantly quartz monzodioritic composition. The porphyritic rocks...of the Tyrone stock. During the late stages of quartz monzodiorite crystallization, numerous dikes were...east-northeast-striking fractures and faults. Some of the quartz monzodiorite porphyry dikes cut the Tyrone stock |  | | Book | | have been produced, while they cannot distinguish quartz from felspar, are ignorant whether it house ...COMPOSING THE CRUST OF THE EARTH. SIMPLE MINERALS. Quartz - Felspar Compact Felspar Clinkstone Claystone...195 196 197 Talcose Schist Hornblende Schist Quartz Rock Division into the Gneiss and - - 197 198...Scotia, Cape Breton, United States, Chili, 261 France, 255 ORGANIC REMAINS : Zoophytes, molluscs,...SYSTEM. General view of the System in England, France, and Germany, 279 BRITISH SERIES : Red Sandstone |  | | Report (chapter) | | mineralization primarily occurs as deformed gold-bearing quartz veins and disseminations in Cu-rich chert zones...–Pd-bearing hydrothermal fluids and produced auriferous quartz veins and disseminations within mafic rocks of...contain Pd-rich gold, but some of the auriferous quartz veins are observed to crosscut disseminated mineralization...suggested that gold at West Bleida is confined to gold –quartz veins and may represent an epithermal deposit....area. Gold at West Bleida occurs as auriferous quartz veins and disseminations in mafic rocks of the |  | | Report (issue) | | (Pegmatite is a coarse development of feldspar, quartz, mica, and other minerals) but also in granite...contaminated with many other minerals such as mica, quartz, metallic sulphides, oxides of iron, graphite,...rock whose chief constituents are feldspar 1 , quartz, and mica or hornblende. Many accessory minerals...minerals: feldspar and hornblende, about No. 6; quartz, No. 7 in the Moh's scale of hardness, in which...its constituent minerals: feldspar, 2.55 to 2.76; quartz about 2.65. Tests made years ago by Whitman Cross |  | | Report (issue) | | on com¬ munity replacement patterns. Ordovician quartz diorites in the Bateaobao area of Inner Mongolia...Skolithos, scattered medium- and coarse-grained rounded quartz, and minor gray carbonaceous shale interbeds. In...coarse-grained sand grains and granules and pebbles of quartz, quartzite, shale, and crys¬ talline rocks. The...present in many wells. Sandstone beds with a clay-ferruginous matrix and oolitic ironstone beds (siderite,...brown sideritic mudstone with a few layers of ferruginous, micaceous siltstone that contain scattered, |  | | Book | | (e.g. gravel) of having been reintroduced from France. The Cornish word killas is now in general use...(OED, quot. 1867). Buns. Geodes of chalcedony and quartz in basalt, near Tortworth, Glos. (Woodward, 1887...Geol. E11g/. & Wales, 2 ed., 579). (2) A hard ferruginous gouge clay or casing between the unaltered country... Cornwall (Fay, 1920, Gloss.). Cf. CASING. (3) Quartz vein poor in tin ore, Cornwall. Caballa balls....'Callis Sand', i.e. a fine white sand from Calais, France (so recorded since 16th cent., OED); but cf. CALLIS |  | | Book | | (e.g. gravel) of having been reintroduced from France. The Cornish word killas is now in general use...(OED, quot. 1867). Buns. Geodes of chalcedony and quartz in basalt, near Tortworth, Glos. (Woodward, 1887...Geol. E11g/. & Wales, 2 ed., 579). (2) A hard ferruginous gouge clay or casing between the unaltered country... Cornwall (Fay, 1920, Gloss.). Cf. CASING. (3) Quartz vein poor in tin ore, Cornwall. Caballa balls....'Callis Sand', i.e. a fine white sand from Calais, France (so recorded since 16th cent., OED); but cf. CALLIS |  | | Report (Issue volume) | | SOUTH WALES EXPLORATION DATA PACKAGE Quartz-jasper and quartz-sulphide veinlets in silicified, altered...calcareous rocks c s f l Jasper, chert, silcrete, quartz-rich rocks Iron-rich rocks Undifferentiated, mixture...Hydrothermally altered and/or affected Plutonic units Quartz-rich granitoids Alkali-feldspar granite, granite...located sparse, scattered, unmineralisaed white quartz, probably pegmatitic. No workings were located...CHARACTER Ore minerals: Alteration: sericitic, quartz-sericite Gangue: limonite Resources: Production: |  | | Book | | - - - Dolomite, CaTbonate of Magnesia, &c. QUARTZ • - - - - .. -, QuABTZ, co.n tinued ,...They are commonly as.s o'!iated with iron pyrites, quartz, fluor-spa1', and cl1lorite ; more ra1·ely with... B. Greenough, inte1~- CoPrER, mingled with quartz. 28. 13. NATIVE COPPER, n1assive, incrusted with...crys- , tallized, reticulated, and associated with quartz. Lanescot Mines ( Fowey Consols ). Presented by...dodecahedron No. 4 ; Nos. 2, 3, and 4 are from Chessy in France~ Presented by the late G. B, Greenough, F.R.S. |  | | Book (edition) | | 1822. The Bulletin de la Soci6t6 Min^ralogique de France. Zeitschrift fUr Krystallographie und Mineralogie...Mauganite. Achat. See Quartz. Achat Islandischer. Achates. See Lava. See Quartz. Achates vix pellucida...pellucida. See Quartz. Achatjaspis. See Quartz. Achirite. See Dioptase. Achmatite. See Epidote. Achmite....Agate. 'See Quartz. Agate grossi^re. See Quartz. Agate jaspee ou mousseuse. See Quartz. Agate mousseuse... See Quartz. Agate orientale. See Quartz. Agate perigone. See Quartz. Agate ruban^e. See Quartz. Agate |  | | Book (edition) | | 12) The Bulletin de la Société Minéralogique de France. ( 13) Zeitschrift für Krystallographie und Mineralogie...See Quartz. Achat Isländischer. See Lava . Achates. See Quartz. Achates vix pellucida. See Quartz. Achatjaspis...Achatjaspis. See Quartz. Achirite. See Dioptase. Achmatite. See Epidote. Achmite. See Acmite. Achrematite...Calcite. Agate. See Quartz. Agate grossière. See Quartz. Agate jaspée ou mousseuse . Quartz. Agate mousseuse...mousseuse . See Quartz. Agate orientale . See Quartz . Agate périgone . See Quartz . Agate rubanée . See Quartz |  | | Journal (volume) | | Geological Society. By Mr. Notice respecting the Quartz-rock ofBromsgrove Lickie. 3. 131 James Yates...distinctly crystallized aggregates of felspar, quartz, and hornblende, forming syenite or greenstone...have approaches to compact felspar*; where the quartz, a regular hornstone, generally coloured, however...black and very compact which contains grains of quartz, and seeming fragments of crystallized felspar...being stratified. felspathic cornean forms of quartz and felspar. hood of Builth. It is its very |  | | Book (edition) | | 208 209 216 218 7. Garnet, 8. Chrysolite, 9. Quartz, 10. Iolite , 11. Boracite, 12. Danburite, (...individual in the mineral kingdom . A crystal of quartz, iron -pyrites, or topaz, is an individual in the...Examples of this kind may be seen in uncrystal lized quartz, massive garnet, and common feldspar. Such minerals...kingdom , is called a simple mineral. A crystal of quartz, or a fragment of one, is therefore a simple mineral...together. Granite, which is an aggregate formed of quartz, feldspar and mica, is a mixed mineral. Porphyries |  | | Book | | district of the 234. 235. 236. 237. II. Rhine. [France. Extinct volcanoes of Central Extinct volcanoes...sub-group. Quartz. Rock crystal, and compact quartz. Agate. Varieties of agate. Flint. Earthy quartz. Jasper...499. 500. 501. 502. 529. General characters of quartz rock. 530. Analyses of sandstones used in Sulphuret...sand. 809. Purbeck beds. 810. Wealden deposits in France and Germany. 811. Fossils of the Wealden period...Kelloway rock. Oolites of Scotland. oolites of France. Middle b ANALYTICAL TABLE OF CONTENTS. XV111 |  | | Book (volume) | | “i nee re Fie 6t30) Occurrence of pseudomorphous quartz, after ‘fuene and ‘oldie in lodes aaa total absence...deposit from mine water .... ote ferruginous deposits from hot springs .... Deposition of...of fine quartz-sand. It is probable that also proceeds from perfectly decomposed felspar; quartz-sand admits...with artificially prepared silica or powdered quartz, carbonic acid passes over with the aqueous...‘TI’. 52, p. 346. || Bullet, de la Soc. Géolog. de France. Deux. Série. T. 4. 1847, p. 1052, DECOMPOSITION |  | | Journal (volume) | | Verneuil, Members of the Geological Society of France XXVI. ....... p. 303 p. 41 Description of...Geologique de France, tome troisieme, partie. 4to. Paris. The Geological Society of France. June 29...10. Bulletin de la Societe Aug. Geologique de France, tome 10, feuilles 12. Essai sur les Cavernes...Don GuillermoSchulz. Madrid, 1835. 16. Society France. accumules, par Marcel de Serres. 8vo. Montpellier...de tome 7, feuilles la Societe Geologique de France, tome 3, feuilles 1-5, 17-19, and tome 10, feuilles |  | | Book (edition) | | principally of actinolite, with an admixture of mica, quartz, or felspar; its texture is slaty and foliated... Acids convert into a jelly. specimen, ; bles quartz. A A E L JE analysed by Bergman, contained...great value. Agates are principally composed of quartz with various colouring matters. Agates may be artiin...Jameson places Agate amongst the members of the Quartz family, constituting it a commonly standing on...granite, chanical means the several parts of which, quartz, mica, and felspar, may be mechanically separated |  | | Journal (volume) | | ; F. G. S.; MEMBER OF THE GEOLOGICAL SOCIETY OF FRANCE ; PRESIDENT OF THE ROYAL INSTITUTION OF CORNWALL...S.; F.G.S.; Member of the Geological Society of France ; President of the Royal Institution of Cornwall...at Oojowlee (m.) , Kyrolee and Patol (n .) . The quartz-rocks which prevail near the junction of the Khurna...largely associated with iron -ore ; and `siliceo-ferruginous conglomerates appear at Jham, Bejapoore, Loha...BENGAL. The gneiss of the Rajmahal is succeeded by quartz rocks at Fitcooree (a .), and these by siliceous |  | | Book (edition) | | LEAD, StnveR AND NICKEL. pape Ravees ITRONSTONE . FRANCE I4t ; ; oe CoRNWALL . , 2 ’ : : DEVONSHIRE...Sl : : : ; ‘ CONTENTS FRANCE—continued— THE VOSGES CENTRAL FRANCE THE PYRENEES THE ALPS Statistics...intersections of joints 52.—Section of “barrel” quartz vein 53.—Ideal section of saddle reefs 54,—Section...—Omilianoff Mine, Pitkiiranta ; section . 104.—Quartz boulders, Wynaad 105.—Rhodes Reef: transverse section...section Wombat Hill, Daylesford 109,—Section at 110,—Quartz vein, Whroo 111.—Dyke, Waverley ; transverse section |  | | Book (edition) | | SILICA III. l. AND SILICATES. SILICA. 253 Quartz Opal 259 2. SILICATES. General Remarks.- 262...sometimes called a quartzoid, because it occurs in quartz. (3) Twelve-sided double pyramids. Two planes of...rhombohedrons. They are combined in Figs. 20, 21, forms of quartz. Ehombohedrons vary greatly in the length of the...hemihedrism and common in crystals of tetarto- quartz, and when existing, the crystals are said to... CRYSTALLOGRAPHY. 56 Some examples are given under quartz. Some systems. rhombohedral species, as dolomite |  | | Journal (article/letter/editorial) | | layer, chiefly of acid silicates, as feldspars with quartz, and a lower residuary basic and insoluble mass...its silica in the forms of orthoclase albite and quartz, so that the succeeding secretions furnished the...secre tions, yielded by diagenesis, muscovite, quartz and the simple alum inous silicates. VI. Taconian...letter to Elie de Beaumont, pub lished in Comptes Rendues de 1’Acad, de Sci. de France, June 9, 1862) :...Sterry Hunt à M. Élie de Beaumont : Comptes Rendues de l’Acad. de Sd. de France, liv, 9 Juni 1862. Contributions | | | Book | | Magnesia, &c. - s • , ... - . 158 - Case J. . . • QUARTz * - Rock Crystal º s - º 161 . 158 to 158 *•...- 160 - f As - 1 / . . . A Case K. -> QUARTz, continued Chalcedony - 161 to 163 • º •...They are commonly associated with iron pyrites, quartz, fluor-spar, and chlorite ; more rarely with tin...Shelf I. > 1. NATIVE COPPER, associated with quartz. From the Great St. George Mine, Perran Perth,...of COPPER. 3. NATIVE CoPPER, intermingled with quartz. Devon and Courtnay Mines, near Tavistock, Devon |  | | Book | | Australia FRANCE Pergamon Press SARL, 24 rue des Ecoles, 75240 Paris, Cedex 05, France FEDERAL REPUBLIC...it is really a large mass of consolidated crude quartz grains. A CONCISE HISTORY OF MINING 8 \ Coal...be (a) common rocks forming min¬ erals, such as quartz, felspars, and silicate minerals, or (b) potentially...trials have been made in Britain, the United States, France, Belgium, Poland, Italy, and Russia to gasify poor...in formations of limestone and chalk through-out France, Belgium, Germany, and England. In this region |  | | Book (edition) | | the surrounding envelope must be made of fused quartz, or of a glass with a high silica content. Ordinary...the widely used Mineralight are made from fused quartz tubing, bent to suit the needs, filled with proper...similar filter, must be used, same as in the fused quartz tubes previ ously described. The filter glass passing...of cold quartz tube show that 3 per cent of the total energy emitted is ab sorbed by the quartz envelope...mm. This glass is intended for studies in which quartz or pyrex lenses are used to focus the beam of ultraviolet |  | | Book | | LEVEL C Is equigranular lamprophyre granite, quartz monzonite, diorite £ C 443 H H O H Ctf c/3 O...(Ronov and Yaroshevsky, 1969). Tonalité (light quartz diorite) "is the dominant rock type in the continental...batholiths (gabbro, diorite, tonalité, granodiorite, quartz monzonite, granite) having a total silica content...or also white potash feldspar; gray translucent quartz and biotite and/or hornblende. Changing proportions...twice the volume of K-feldspar and above 20% of quartz, diorite, gabbro and syenite. At present, the nomenclature |
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Beaumont, Largentière, Ardèche, Auvergne-Rhône-Alpes, France