 | | Catalog/List | | crystal sections in white matrix. On the boundary of the two species lxlĀ£1.50 lx2Ā£3 2x2Ā£4.50 2x3Ā£6:50F_el_ds_par...Norway 399 ā ā SCHEUCHZERITE Gambatesa Mine. Genoa, Italy Brown rounded crystal sections and cleavages in...North Sweden Pure greenish fibrous mass ~ A variety of Kobellite containing selenium. Pure silvery mass...feldspar with pyrite Black metallic spots in pinkish calcite I ~~Ā½ Ā£7 _ _ _ IxĀ½ Ā£15 ... -Ā·- - Ā·- --- -- - -~~-~g-~i~...Snarum, Vikersund, Norway Pure white masses a VARIETY of Hematite. Large black crystal sections some with |  | | Journal (article/letter/editorial) | | Isotopic Composition of Carbonates in Lavas and Ejectites from the Alban Hills, Italy M. FOIaNASEI~Iand...FOIaNASEI~Iand B. T u ~ I Institute of Geochemistry, Rome University Received June 6, 1969 Abstract. Carbon and oxygen...sedimentary formations in the region of the Alban Hills. The calcite occurring in the laves, both in veins...observed in sedimentary carbonates, except in the case of one particular flow, where unusually low ~ laC values...latter are discussed in terms of a possible contribution of organic carbon or of isotopically light carbonates |  | | Journal (article/letter/editorial) | | Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina...substitution of Mn for Mg (in pinakiolite, blatterite, and others) and practically complete substitution of Ni...substituted by isovalent Al and Cr. The incorporation of Ti, Sn, Sb, and V via heterovalent substitution has...detail. Our research revealed new manifestations of Ti- and Sn-bearing borates. They are magnesioludwigite...and/or (Sn4+ + Mg)6+ substitution. The incorporation of pentavalent elements according to the scheme 3Fe3+ |  | | Journal (article/letter/editorial) | | Oxygen Isotope Studies of Potassic Volcanic Rocks of the Roman Province, Central Italy* Bruno Turi I and Hugh...Roma, 00100 Rome, Italy 2 Division of Geological and Planetary Sciences, California Institute of Technology...91125 180/160 ratios of rocks and coexisting minerals were measured for 93 samples of leucite-bearing lavas...from the Quaternary Roman Co-Magmatic Province, Italy. The 6180 values were found to generally increase...crust. A marked increase in 6180 occurs just north of Rome where the Roman Province begins to overlap the |  | Laurora, Angela, Malferrari, Daniele, Brigatti, Maria Franca, Mottana, Annibale, Caprilli, Enrico, Giordano, Guido, Funiciello, Renato (2009) Crystal chemistry of trioctahedral micas in the top sequences of the Colli Albani volcano, Roman Region, central Italy. Lithos, 113 (3) 507-520 doi:10.1016/j.lithos.2009.05.030 | Journal (article/letter/editorial) | | t h o s Crystal chemistry of trioctahedral micas in the top sequences of the Colli Albani volcano, Roman...Roman Region, central Italy Angela Laurora a, Daniele Malferrari a, Maria Franca Brigatti a,ā, Annibale...Reggio Emilia, Largo S. Eufemia, 19; I-41100 Modena, Italy Dipartimento di Scienze Geologiche, UniversitĆ degli...Tre, Largo S. Leonardo Murialdo, 1; I-00146 Roma, Italy a r t i c l e i n f o Article history: Received...the ļ¬nal stages of the activity of the Colli Albani volcano (Roman Region, central Italy). In the youngest |  | Gaeta, Mario, Freda, Carmela, Marra, Fabrizio, Arienzo, Ilenia, Gozzi, Fernando, Jicha, Brian, Di Rocco, Tommaso (2016) Paleozoic metasomatism at the origin of Mediterranean ultrapotassic magmas: Constraints from time-dependent geochemistry of Colli Albani volcanic products (Central Italy) Lithos, 244. 151-164 doi:10.1016/j.lithos.2015.11.034 | Journal (article/letter/editorial) | | origin of Mediterranean ultrapotassic magmas: constraints from time-dependent geochemistry of Colli Albani...Albani volcanic products (Central Italy) Mario Gaeta, Carmela Freda, Fabrizio Marra, Ilenia Arienzo,...origin of Mediterranean ultrapotassic magmas: constraints from time-dependent geochemistry of Colli Albani...products (Central Italy), LITHOS (2015), doi: 10.1016/j.lithos.2015.11.034 This is a PDF ļ¬le of an unedited...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting |  | Brigatti, Maria Franca, Caprilli, Enrico, Funiciello, Renato, Giordano, Guido, Mottana, Annibale, Poppi, Luciano (2005) Crystal chemistry of ferroan phlogopites from the Albano maar lake (Colli Albani volcano, central Italy) European Journal of Mineralogy, 17 (4) 611-622 doi:10.1127/0935-1221/2005/0017-0611 | Journal (article/letter/editorial) | | chemistry of ferroan phlogopites from the Albano maar lake (Colli Albani volcano, central Italy) MARIA FRANCA...Reggio Emilia, Largo S. Eufemia, 19, I-41100 Modena, Italy 2Dipartimento di Scienze Geologiche, UniversitĆ ...Tre, Largo S. Leonardo Murialdo, 1, I-00146 Roma, Italy Abstract: This work considers micas present both...volcanic activity of Colli Albani volcanic complex, Roman Comagmatic Region (central Italy). In these micas...Robs: 0.021 ā¤ Robs ā¤ 0.035). The crystal structure of these micas is greatly affected by the annitic substitution |  | | Catalog/List | | PRACTICAL ENCYCLOPEDIA OF ROCKS AND MINERALS by John Farndon. My private collection of rocks and minerals...rocks. I have the book available at Ā£17 plus post ofĀ£5.50. ~ -- - 97 ā ACTINOLITE Achmelvich, near...YGONITE Eitarama,Ruanda, Central Africa Rich mass of black crystal sections ,on matrix. Pure white cleavage...------------6 ALBITE Kragero Norway 933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar...ALBITE Maine USA Rich pinkish line grained mass in calcite variety CLEA VELANDITE, pure white sheafy, masses |  | Peccerillo, Angelo, Federico, Marcella, Barbieri, Mario, Brilli, Mauro, Wu, Tsai-Wan (2010) Interaction between ultrapotassic magmas and carbonate rocks: Evidence from geochemical and isotopic (Sr, Nd, O) compositions of granular lithic clasts from the Alban Hills Volcano, Central Italy. Geochimica et Cosmochimica Acta, 74 (10) 2999-3022 doi:10.1016/j.gca.2010.02.021 | Journal (article/letter/editorial) | | O) compositions of granular lithic clasts from the Alban Hills Volcano, Central Italy Angelo Peccerillo...della Terra, Piazza UniversitaĢ, 06100 Perugia, Italy Dipartimento di Scienze della Terra, UniversitaĢ...La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy c Istituto di Geologia Ambientale e Geoingegneria...Aldo Moro 5, 00185 Roma, Italy d Department of Earth Sciences, University of Western Ontario, London,...study of granular lithic clasts (ejecta) from the Alban Hills ultrapotassic volcano, Central Italy. Some |  | Lacalamita, M., Balassone, G., Schingaro, E., Mesto, E., Mormone, A., Piochi, M., Ventruti, G., Joachimski, M. (2017) Fluorophlogopite-bearing and carbonate metamorphosed xenoliths from theCampanian Ignimbrite (Fiano, southern Italy): crystal chemical, geochemical and volcanological insights. Mineralogical Magazine, 81 (5) 1165-1189 doi:10.1180/minmag.2016.080.155 | Journal (article/letter/editorial) | | from the Campanian Ignimbrite (Fiano, southern Italy): crystal chemical, geochemical and volcanological...di Bari Aldo Moro, via Orabona 4, I-70125 Bari, Italy Dipartimento di Scienze della Terra dellāAmbiente...Universitario Monte S. Angelo, Via Cinthia, I-80126 Napoli, Italy Istituto Nazionale di Geofisica e Vulcanologia,...Vesuviano, via Diocleziano 328, I-80124 Napoli, Italy GeoZentrum Nordbayern, UniversitƤt Erlangen-NĆ¼rnberg...Ignimbrite deposits at Fiano (southern Italy), at ā¼50 km northeast of the sourced volcanic area. These rocks |  | | Journal (issue) | | ambito mineralogico e petrografico della regione Lazio SEDE: c/o MUST ā Museo Universitario di Scienze...- 8 dicembre 2019 V. Nasti 17 Lāanatasio nel Lazio, nuovi ritrovamenti R. Begini, M. Corsaletti, G...ambito mineralogico e/o petrografico della regione Lazio. Per ultimo, la sottoscrizione con il Direttore...bassa Toscana e le localitĆ mineralogiche dellāalto Lazio nel Distretto Vulcanico Vulsino. Non tardĆ² comunque...scherzosamente chiamammo āSchegge dai Vulcani del Lazioā (sezione didattica nella 27^ Mostra di Minerali |  | | Catalog/List | | PRACTICAL ENCYCLOPEDIA OF ROCKS AND MINERALS by John Farndon. My private collection of rocks and minerals...rocks. I have the book available at Ā£17 plus post of Ā£5.30. TEPHROITE, chocolate brown massive with minor...Malawi 975 ALTHAUSITE Modum, Buskerud,Norway Rich mass of black crystal sections ,on matrix. Rich brown-purple...ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black micro crystals in crystalline feldspar...ANDRADITE Grua. Oppland Norway Quite good coverage of small brown crystals on rock lxlĀ£3 lx2Ā£5 2x2Ā£10 2x3Ā£15 |  | | Journal (article/letter/editorial) | | Netherlands CARBON AND OXYGEN ISOTOPIC COMPOSITION OF CARBONATES IN LIMESTONE BLOCKS AND RELATED GEODES...ALBANHILLS B. TURI Institute of Geochemistry, Universityof Rome, Rome (Italy) (Received February 19, 1969)...SUMMARY A d e t e r m i n a t i o n w a s m a d e of the c a r b o n a n d o x y g e n i s o t o p i c...c c o m p o s i tion in the c a r b o n a t e s of e j e c t e d l i m e s t o n e b l o c k s and r...c o m p o s i t i o n of oxygen a l w a y s f a l l s within the r a n g e of s e d i m e n t a r y and |  | | Book | | Alok K. Gupta Kenzo Yagi Petrology and Genesis of Leucite-Bearing Rocks With 99 Figures and 43 Tables... Dr. ALOK K. GUPTA Department of Geology and Geophysics University of Roorkee Roorkee 247672, u.P., India...India Professor Dr. KENZO YAGI Department of Geology and Mineralogy Hokkaido University Sapporo, Japan...Library of Congress Cataloging in Publication Data. Gupta, Alok K, 1942-. Petrology and genesis of leu cite-bearing...or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations |
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