 | | Journal (article/letter/editorial) | | Isotopic Study of Alunites from Latium and Tuscany, Central Italy G. Cortecci 1, G. Lombardi 2, E. Reyes...chemistry and age from southern Tuscany and northern Latium, central Italy. The 634S values range from+...host rocks of the perityrrhenian belt of southern Tuscany and northern Latium (Fig. I). The best occurrences... " IT-usc,4NY]/ ('*"~ ~]o Torn~ella []o o I Montioni Roccastrodo f ) Lake ~ j-. L /.~''" ake Bo...similarities of emplacement at the outcrops. Tuscany and northern Latium showin~ Tertiary-Quaternary |  | Rossato, L., Dughetti, F., Fontani, F., Paolieri, M., Tanelli, G. (2011) Arsenic and polymetallic anomalies in the Neogene-Quaternary sequence of La Botte borehole in the Scarlino Plain (Grosseto) â Southern Tuscany â Italy. Neues Jahrbuch fĂŒr Mineralogie - Abhandlungen, 188 (1) 87-98 doi:10.1127/0077-7757/2011/0196 | Journal (article/letter/editorial) | | in the Scarlino Plain (Grosseto) â Southern Tuscany â Italy L. Rossato, F. Dughetti, F. Fontani, M. Paolieri...by pyrite roasting in Scarlino Plain â Southern Tuscany â more extensive surveys were conducted to determine...anomalies, anthropogenic source, Scarlino Plain, Tuscany Introduction Arsenic enrichment of groundwater...Colline Metallifere mining district in Southern Tuscany which hosts several pyrite and polymetallic ore... a minor alunite mineralization occurs in the Montioni area and an important pyrite ore deposit occurs |  | | Report (issue) | | ________________________ Spain ________________________ Italy _________________________ Greece _______________________...used for centuries to make alum, especially in Italy and China. During World War I, alunite veins near...siliceous core zone; (2) quartz-alunite zone; (3) inner argillic zone containing quartz, alunite, kaolinite...and zunyite; (4) outer argillic zone containing quartz, kaolinite, sericite, illite, and less abundant...propylitic zone of weakly altered rock containing quartz, epidote, chlorite, zeolites, pyrite, relict feldspar |  | | Report (volume) | | the wall rock where replacement has occurred the quartz phenocrysts remain practically unaltered, and silica...granular. The west wall of this vein is a dense quartz or siliceous rock containing specks of iron sulphide...physiographic provinces. On the east is the plateau province, made up for the most part of nearly flat-lying...flat-lying beds; on the west is the Great Basin province, consisting of north-south ranges separated by broad...slight difference, but all are of intermediate type. Quartz phenocrysts are present in most of the rock, though |  | | Report (volume) | | large resources of saprolite occur in the Piedmont province of the Southeastern States. Saprolite is associated...in cracking petroleum, but small quantities of quartz can be tolerated. Catalytic-grade bauxite also...India (Chhibber, 1947); (2) gold that occurred in quartz 8 WORLD BAUXITE RESERVES AND ALUMINUM RESOURCES...successfully in the search for bauxite in Yugoslavia and Italy, and magnetic, gravimetric, and seismic methods...overlain by Upper Cretaceous rocks. Turonian _____ Italy (central Apennines)-boehmite, associated with rocks |  | | Book (edition) | | modeof occurrence belong more especially to the province of the geologist. Thus, suppose a mass of granite...specimens are found having very different colours. Quartz is com . monly colourless, or white, but it is...fracture. Iridescence may sometimes be seen in quartz, calcspar , and mica . Some minerals tarnish on...less perfect it is termed sub -vitreous lustre. Quartz, sanidine, rock- salt, etc., afford examples of...index, the crystal is optically positive, as in quartz, zircon , and brucite. In the indicatrix of a biaxial |  | | Report (issue) | | ....................................... 5 Vein quartz ........................................................................................... 164 Quartz veins ..................................................................................... 196 Quartz veins ..................................................................................... 209 Quartz veins ...........................................146 Photomicrograph showing fine chert containing quartz patches and diffuse bedding (Moora silica mine) |  | | Report (issue) | | -------_______ Hungary___________________________________ ItalY-------------------------------------PortugaL __...__ _ _ _ _ Rfo Hondo area, Santiago del Estero Province, Argentina, showing location of springs______...springs____________ Italy and Switzerland showing location of thermal sorings__________ Tuscany area, Italy, showing...fumarole localities____________________ Ischia Island, Italy, showing location of thermal springs______________...region in France and in areas of volcanic rocks in Italy, thermal springs are n1ore common than in other |  | | Book (volume) | | Ordre. Les OxydĂs ou les HYDRATĂS contiennent le quartz , le corindon , et les autres minĂ©raux non acidifiĂ©s... 25 DES MINĂRAUX . Si. Genre SILICIUM .. 9. Quartz .... Opale . X. Si ou Ti . Genre TITANE . XI...Dolomie PP 106 ° 15' . PhĂ©nakite PP 115 25 ', Quartz. PP 940 15' . Tourmaline PP 133° 36 '. Soude nitratĂ©e...avec chaux (Polyspheris ). Strontiane carbonateei. Quartz PP 940 15 ' Strontiane carbonatee MM - 1170 32'... Mercure sulfurĂ©. sulfurĂ© . Fer carbonate . Quartz . PsilomĂ©lane. Stronliane sulfatĂ©e . Pyrolusite |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . High Pure and Ultra-High Pure Quartz . . . . . . . . . . . . . . . . . . . . . . . ...Mississippi Valleyâtype lead-zinc deposits, or quartz, feldspar, and mica from pegmatites. In even more...Slate Fluorspar Magnesite Sedimentary Rocks Quartz crystal Clay Metamorphic Minerals Gypsum Asbestos...(frameworks) th at include the feldspar , feldspathoid, quartz, and zeolite group of minerals 13 © 2006 by the...world production; smaller producers are Sp ain, Italy, Japan, and the United States. The modest U.S. p |  | | Book | | it was entirely obtained by breaking the surface quartz with a hammer, while following the occupation of...in fragments composed of the same matrix (viz., quartz rock), as in the Ural. friend and associate at...the Colonial Secretary a lump of gold imbedded in quartz, which he- said he had picked up at a certain place...proceeded to "Wellington as he wished to see the quartz vein from which he had heard Macgregor had obtained...Silurian slates (which, themselves- contain auriferous quartz. reefs), and to dip underneath the Desert Sandstone |  | | Book | | lâexamen dâun est silice, Ă©tude attentive guer le quartz en feldspath Le but de dâarriver Ă est sur...tiennent Ă le sont coloration. Les hyalin, quartz surface toute sur qui la par les ou ĂȘtre...tĂšres, cristallisĂ©e, est dâun blanc laiteux Le quartz, le spath calcaire, opaque. et blanches, stances...attribue Ă on la coloration du manganĂšse une quartz amĂ©thyste. Le au est rouge de peroxyde couleurs...lâĂ©tat rĂ©sineux elles dites rĂ©duites. Le con- quartz CARACTĂRES le brise hyalin, lorsquâon le diamant |
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