 | | Journal (article/letter/editorial) | | 444 446 DISCOVERY OF FOSSIL FUMAROLES IN SPAIN J. MM•TiNV, Z F•tiAS, InstitutoAndaluzde Geolog[a...Cientificas, Universidad de Granada,sin 18002,Granada,Spain J. GARCIA GUINEA,J. LOPEZRuIz, MuseoNacionalde...Madrid, Spain AND GEORGE A. I•EYNOLDS GEORO,Geophysical ExplorationConsultants, Madrid, Spain A fossil...fossil fumarole field has been discovered in the chimneys described by Boyceet al. (1983) andBanks deposit(Ireland)...(1986), fromthe Silvermines basin(Almeria,southeast Spain).It isof specialinter- regionscan be distinguished |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . Dorr Fumarole Field . . . . . . . . . . . . . . . . . . . . . ...Graph showing size distribution of samples of fumarole ejecta and of tephra . . . . . . . . . . . . ... 9-12. X-ray diffraction patterns of: 9. 1975 fumarole ejecta . . . . . . . . . . . . . . . . . . . .... . . . . . Minerals in three samples of 1975 fumarole ejecta . . . . . . . . . . . . . . . . . . . ...at Mount Baker-Sherman Crater and the Dorr Fumarole Field. The silt- and clay-size fractions of volcanic |  | Fischer, Tobias P., Giggenbach, Werner F., Sano, Yuji, Williams, Stanley N. (1998) Fluxes and sources of volatiles discharged from Kudryavy, a subduction zone volcano, Kurile Islands. Earth and Planetary Science Letters, 160 (1) 81-96 doi:10.1016/s0012-821x(98)00086-7 | Journal (article/letter/editorial) | | compositions of major gas species and metal contents of fumarole gases of earlier sampling surveys were discussed...basaltic-andesite composition. On top of the cone numerous fumarole fields cover an area of approximately 300 ð 70...locations corresponding to numbers in Table 1, fumarole temperatures in ºC and elevation contours in meters...The chemical and isotopic compositions of the fumarole gases are shown in Tables 1 and 2. For fumaroles...allowing the determination of the flux from each fumarole field separately. The wind speed necessary for the |  | | Journal (article/letter/editorial) | | (BoNSTEDT& KUP~TSKAJA, 1954). Fortsetzung Tab. 1 FUMAROLE N K F 7 N K F 9 N K F 9 4 N K F ii N K F ii...0,08 2,97 7,87 0,55 77,18 . . N K F 25 FUMAROLE . . . . . 12 60 176 220 444 2,60 Rb...sind. Das C-V-Diagramm fiir die Probe NKF25 der Fumarole 6 zeigt, daB hier alle Haupt- und Spurenelemente..."J" , /J, .....-~ Io 3.?9 fv Abb. g. NKF25, Fumarole 6: Zu- und Abnahme der Komponenten TiO~ ( A )...Kameni/Santorin/Grieehenland. Fig. 8. NKF 25, fumarole 6: composition-volume-diagram with the gainings |  | | Journal (article/letter/editorial) | | Shasta (Cascade Range, USA), was investigated using field observations, petrography, mineralogy, chemical...alteration of the rocks. In this paper, we describe the field relationships, petrography, chemical stability,...Rose (1974) reported a number of sulfates from fumarole encrustations associated with Central American...sulfate-mineral encrustations form a ca. ~50100 m fumarole field west of the summit. 2.2. Mount Adams Mount...km2 and a peripheral, largely basaltic volcanic field that covers an additional 650 km2 (Hildreth and |  | | Report (issue) | | infrared surveys at the Geysers geothermal steam field, California, by R. M. Moxham________________________...Hydrogeologic reconnaissance of the Canary Islands, Spain, by R. J. Dingman and Jos6 Nunez______________________...TOPOGRAPHIC STUDIES Laboratory calibration of field surveying instruments, by C. J. Fry, Jr.____.-_...plagioclase is more calcic than An 2n . On the basis of field and laboratory evidence, it is concluded that a...mineral assemblages ' Pelitic: Muscovite-chlorite-quartz- (epidote) . Muscovite-chlorite-epidote-quartz-albite- |  | | Book | | pressure rocks, it must enter the calcite stability field between 125 and 175 C and that its preservation...(I) Transmission electron microscopy (TEM) bright-field image of the sampled TEM foil. A detailed image...average composition Or87Ab12An1. TEM in the bright field imaging mode showed a strongly different diffraction...amorphous silica phase. (F) High angle angular dark-field detector (HAADF) image of ellipse hematite particle...the Triassic Buntsandstein of the Iberian Range (Spain) occurs as pseudomorphs after detrital K-feldspar |  | | Book | | of Active Continental Margins Guidebook for the Field Excursions in the Far East of Russia: September...proposed by Pearce et al. (1984), they fall into the field of volcanic arcs (Fig. 1.2). The absence o f Eu...widens with depth un derlying the entire ignimbrite field. Discrete outcrops of granites are observed in stream...propylitic altera tion were contoured within the ore field (Yeremin, 1974). Orebodies as adularia-quartz, carbonate-quartz...Schematic geological map of the Butugychag ore field, after. Mikhailov. Permian sedimentary rocks: (1) |  | | Book (chapter) | | pressure rocks, it must enter the calcite stability field between 125 and 175 C and that its preservation...(I) Transmission electron microscopy (TEM) bright-field image of the sampled TEM foil. A detailed image...average composition Or87Ab12An1. TEM in the bright field imaging mode showed a strongly different diffraction...amorphous silica phase. (F) High angle angular dark-field detector (HAADF) image of ellipse hematite particle...the Triassic Buntsandstein of the Iberian Range (Spain) occurs as pseudomorphs after detrital K-feldspar |  | | Journal (article/letter/editorial) | | °C. Leonardsenite has also been found in a fumarole field along the fissure above the eastern main crater...covellite, greenockite, hematite, molybdenite, muscovite, pyrite, pyrrhotite, sphalerite, uraninite, and |  | | Book | | microscopic, is a fundamental discovery in the field of natural sciences and a contribution not only...place of aikinite discovery in the Berezovskoye ore field is now impossible to establish exactly. A.A Smirnov...axial parts of the fluorite muscovite veinlets crossing the amesite-muscovite-fluoite rock formed after...hydroth ermaI Uzon caldera, Kamc�atka activity at the field and grypho thermal ns ofthe (Central turnarol' noye...collected by V.A . Popov in the Central thermal field (Uzon) in 1 980, this mineral was compre hensively |  | | Journal (article/letter/editorial) | | The Carnian Pluvial Event negative CIE at Cave del Predil (early Late Triassic, Italy): a new link to...organic matter from stratigraphic sections in the Cave del Predil area (Julian Alps, north eastern Italy) reveals...2 IDAEA-CSIC, c/Jordi Girona 18-26, Barcelona, Spain (manuel.dallosto@gmail.com) 2 see reference below...By Using Synergistic Strategies) in Barcelona (Spain) during autumn 2010 [1]. Two supersites were chosen:...series. Mg# ranges from 0.29 to 0.86. The high field strength elements Nb, Ta and Ti are strong depletion |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil..._• ^ by M us su m Call for Group 0001 Rates Las Vegas May 31-June 2, 2002 MineralswFossilswGemwJewelry...example to the Rio Tinto deposit in present-day Spain). Prospecting for copper, iron, lead, gold and silver...specimens is not unlikely in the future, both in the field and through the examination of material collected...find in the Postmasburg, South Africa, manganese field, where it forms brown-red veins. It was observed |  | | Journal (article/letter/editorial) | | constituents are quartz, chlorite, plagioclase, muscovite, montmorillonite, dolomite and orthoclase. A summary...Plagioclase, 01.rqoclase, Chl Chlorite, MUS : Muscovite, Mntm : Nontmorlllonite, 001 : Dolomite, Orth:...Mn 20 km in diameter around the TAG hydrothermal field. It is therefore proposed that the Mn enrichments...from that of Mn, consistent with laboratory and field observations that Ni and Cr are not released from...BUTUZOVAG. Ju, (1967) Iron ore sediments from the fumarole field of the Santorini volcano, their composition |  | | Report (issue) | | carbonate-hosted mineral district in north-central Spain...................................................gigawatt-hour HDC Hicks Dome Corp. HFSE high-field-strength element HIV human immunodeficiency virus...“How critical are critical materials?”, Clark and Field (1985, p. 38–40) did not present a way to measure...Y., John Wiley & Sons, 320 p. Clark, J.P., and Field, F.R., III, 1985, How critical are critical minerals...constructing similar experiments at a larger scale in the field. Here, the waste material is exposed to the natural |  | | Book | | processes, including diagenesis, is an important field in pure as well as in applied research on the genesis...Associated Sulphides at the Almad^n Mercury Mine, Spain.7 BARTHOLOME, P. , EVRARD, P. , KATEKESHA, F. ,...reworking. In many respects this is a sedimentological field which jus¬ tifies further thorough investigations...the depth. As a paradox, economic geology is a field which has been dominated in its concept as well...Associated Sulphides at the Almaden Mercury Mine, Spain M. Arnold, A. Maucher, and F. Saupe Abstract The |  | | Report (issue) | | geology-----------------------------------------------Magnetic field of the earth-------------------------------------Magnetic...Kiev, U.S.S.R. Anales Inst. Geofisica -- Anales del Instituto de Geofisica. Instituto de Geofisica, Universidad...9th sess., p. 83-91, 1961. Age measurements on muscovite and biotite by the K/ Ar method give the following...and thorianite. Potassium-argon ages of biotite-muscovite pairs and of chloritized biotite pairs are also...trend to indicate that throughout geological time muscovite retains a greater percentage of its radiogenic |  | | Journal (article/letter/editorial) | | LANGMUIR3, L. CAPRA2, A.B. LAGATTA1 AND A.L. MARTIN-DEL POZZO4 R. CALDEIRA1,2,3 AND L.C. SILVA2,3 1 Lamont...intra-plate ocean island volcanism. We present detailed field, petrographic, mineralogical and geochemical data...chemistry are key requirements for progress in this field. Since 2004, we have collected water samples and...indigenous metal-reducing bacteria in situ at the field-scale by the addition of low concentrations of acetate...the zone of bioreduction was detectable at the field scale using an induced polarization geophysical |  | John, David A., Lee, Robert G., Breit, George N., Dilles, John H., Calvert, Andrew T., Muffler, L.J. Patrick, Clynne, Michael A. (2019) Pleistocene hydrothermal activity on Brokeoff volcano and in the Maidu volcanic center, Lassen Peak area, northeast California: Evolution of magmatic-hydrothermal systems on stratovolcanoes. Geosphere, 15. 946-982 doi:10.1130/ges02049.1 | Journal (article/letter/editorial) | | Brokeoff volcano (ca. 555–360 ka), and the Lassen dome field (ca. 300–0 ka) (Clynne and Muffler, 2010; Muffler...generalized types that were distinguishable in the field (Fig. 3B and Table 2). Active hydrothermal features...distribution were used to refine the generalized, field-based alteration maps and to help define hydrothermal...hypogene alteration were initially identified in the field, and the mineralogy of each was confirmed and modified...in more deeply eroded gullies beside the ledges. Field relations with dated units and 40Ar/39Ar dates of |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Thomas P. Moore Niantic, CT Joe Polityka Staten... Above all, Ingemar was a hard-working Scandinavian field collector, combining the Swedish traditions of dump...spare bed in his home and, especially during the field-collecting season, fellow collectors to team up...Getchell arsenates (NV) $10 v. 19/#5 A lm aden (Spain), IMA, J. Berzelius, Probertite, O sarizaw aite...aldbeck Fells (England), SEM , Eugui quarries (Spain) $10 v.22/#3 M essina m ines (So. Afr.), Idria |  | | Report (issue) | | geology-----------------------------------------------Magnetic field of the earth-------------------------------------Magnetic...Canada. Com. Glacial. Italiano Boll. -- Bollettino del Comitato Glaciologico Italiano. Consiglio Nazionale...major contributions made by various workers in the field are pointed out. Results obtained with the method...'ages' were found for coexisting biotite and muscovite from two Blue Ridgepegmatites; the biotite 'ages'...'ages' are about 275 m.y., whereas the muscovite 'ages' are 510 m.y. Ages of the Piedmont samples range |  | | Journal (issue) | | understanding complex magma rheology By: Rebecca Coats 15 Field meeting Report: Geo-Viticultural Traverse Part 1...formation By: Russell Yeomans & Daniel Chamberlain 20 Field Meeting Report: London’s Theatreland Building Stones...Review: Herefordshire’s Rocks & Scenery - A Pierpoint Field Meeting Report: Italy - The Five Volcanoes Tour...uk/JoiningtheGA.html admin@geologistsassociation.org.uk Field Meeting Report: Portland October 21st, 2016 Sculpture...publishes a journal and geological guides and organises field excursions both in the UK and abroad. © The Geologists’ |  | | Book | | useful around the Balearic Islands and the coast of Spain. Other published bathymetric charts cover the Algerian...less than 1500 m, it is bordered on the north by Spain and on the south by Morocco and western Algeria...Strait of Gibraltar and a line joining Cape de Gata, Spain to Cape Fegalo, Algeria. A section of the continental...Two marginal plateaus also exist off the coast of Spain. There is a small plateau southwest of Cape de Gata...Slope The gradient of the continental slope off Spain is relatively constant with 1:30 being a representative |  | | Report (volume) | | movements 9 9 10 11 Chapter 3. 16 The gravity field Geochemistry of the Silungkang and Palepat Formations...Seismic tomography and the long-wavelength gravity field 16 16 19 19 19 20 Chapter 4. 24 24 25 35 40 ...initiative for this Memoir arose from a series of field-based geological studies in Sumatra by the Institute...geologists and geophysicists who were taking part in the field mapping programmes, in return for administrative...with the University contribution Concentrating on field studies of the relationship of the Tertiary rocks |  | | Book (volume) | | 29th IGC Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES r QE 304 . A14 1992...org/details/29thigcfieldtrip0006unse 29th IGC Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN...Akasaka, Minato-ku, Tokyo 107, Japan 1992 29th IGC FIELD TRIP GUIDEBOOK Volume 6 : Mineral Deposits of Japan...of Japan. 1992 PREFACE Extensive geological field trips have been planned for the 29th International...During-Congress and 22 Post-Congress) pre¬ pared for the IGC field trips, including those cancelled later. The six |
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