 | | Journal (article/letter/editorial) | | SIGNIFICANCE OF Pb AND TI IN THE SULFIDES AND HOST ROCKS FROM THE HYDROTHERMAL MINERALIZATION OF THE TOLFA...TOLFA MOUNTAINS (LATIUM, CENTRAL ITALY) G. C A L D E R O N I 1, V. FERRINI: and U. MASI 1 Istituto di Geochimica...Geochimica, Universitd "La Sapienza", Rome (Italy) 2C.N.R. (Consiglio Nazionale delle Ricerche), Centro...Mineralogia e Petrografia, Universitd "La Sapienza" Rome (Italy) (Received May 24, 1984; revised and accepted...and Masi, U., 1985. Distribution and significance of Pb and T1 in the sulfides and host rocks f r o m |  | | Journal (article/letter/editorial) | | Evidence for the Supergene Origin of Alunite Deposits, Tol[a District, Italy C. FIELD* Corvallis, Oregon...Oregon, USA G. LOMBARDI** Rome, Italy Sulfur isotope abundance data for minerals of the historically important...important a/unite deposits of the Tolfa district indicate (1) compositional similarity between sulfates...sulfates and sulfides (mean 3S a4 values of + 5.54 and -[-6.34 permil respectively), (2) negligible fractionation...distinct sulfide isotopic populations characterized by pyrite (-~8.34 permil) and marcasite (--1.05 permil) and |  | | Journal (article/letter/editorial) | | Studies of Carbonate Deposits from the Tolfa Mountains Mining District (Latium, Central Italy) U. Masi...and oxygen isotooe analyses were made of representative samples of calcite and quartz from the carbonate...were also made of hydrogen isoto~)e compositions, filling temperatures and salinities of fluid inclusions...inclusions in these minerals. There are three stages of mineralizalion at Tolfa. In stage I, characterized by...high 5 180 values of 14.5 to 21.6 suggesting a rather low water/rock ratio. 513C values of -0.3 to 2.1 indicate |  | | Journal (issue) | | mul ‘iplinary journal concerned with all aspects of interactions between humans, ecosystems and the earth:...Remediation of man-made or geological hazards History Environmental Geology is the continuation of Environmental...written permission from the publisher. The use of general descriptive names, trade names, trademarks...journal is believed to be true and accurate at the date of its going to press, neither the authors, the editors...herein. earth of the advertiser to comply with all legal require- with the recovery of material from |  | | Journal (article/letter/editorial) | | Article Determination of Hg binding forms in contaminated soils and sediments: state of the art and a case...abandoned mercury mines from Mt. Amiata (Siena, Italy) Daniele Malferrari, Maria Franca Brigatti, Chiara...introduction about the state of the art in the methods for the evaluation of Hg chemical speciation, focuses...from Siele mining area (Piancastagnaio, Siena, Italy). In particular, the mineralogical composition was...among different Hg compounds. ii) The temperature of Hg thermal release is affected by both the sample |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN 511...___________________ 5 Significance of the deposit as a source of potash____________ 5 Location and railroad..._____ 6 Description of the Marysvale alunite_____________________ 6 Character of the vein____________________________...6 Physical character of the alunite_____________________ 7 Chemical character of the rock____________...rock____________.._______ 8 Extent of the Marysvale deposit_______________________ 8 Located claims________________________________ |  | | Book (volume) | | • f' , Mineral Deposits of Europe Volume 4/5: Southwest and Eastern Europe, with Iceland Southwest...with Iceland, volume 4/5 of the Mineralogical Society and the Institution of Mining and Metallurgy publication...ferrous, non-ferrous and non-metallic mineral deposits of Europe, includes an introduction to Southwest Europe...Vazquez Guzman Portugal by D. Thadeu Italy by P. Zuffardi European part of the U.S.S.R. by V.I. Smirnov Turkey...who has tried to gather information on the geology of European ore deposits knows the frustrations that |
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