 | | Journal (article/letter/editorial) | | convergent margin deposits in the Northern Apennines, Italy 1938-2839 Geology Review, 0020-6814 TIGR International...Università di Pisa, Pisa, Italy; bIstituto di Geoscienze e Georisorse, CNR, Pisa, Italy (Accepted 7 December...Late Cretaceous–middle Eocene; Northern Apennines, Italy Introduction The Apennines and the Western Alps...Alps, making up the structural framework of Italy, and the Alpine sector of the island of Corsica, are all...in the tectonic maps (i.e. Structural Model of Italy, CNR-Progetto Finalizzato Geodinamica 1992), these |  | | Journal (article/letter/editorial) | | Vienne granitoids (France) Philippe Négrel ⇑, Joël Casanova, Anne Bourguignon BRGM, BP 6009, F 45060 Orléans...Franklyn et al., 1991; Bottomley and Veizer, 1992; Casanova et al., 2001). The compositions of present-day...weathering of the primary bedrock minerals—e.g. feldspar sericitization, biotite chloritization associated...boreholes drilled in the Vienne site (Fig. 1; Casanova et al., 1997). All the boreholes were vertical...1998) using a micro-drill (0.5–1 mm diameter, Casanova et al., 1997). 3.2. Analytical methods Trace elements |  | | Journal (article/letter/editorial) | | Vienne Case žFrance/ a,) Philippe Negrel , Joel ´ ¨ Casanova a, Jean-François Aranyossy b a BRGM, Water Department...Tresonne, 1997; Casanova and Aranyossy, 1998; Michelot, 1999; Kloppmann et al., 2001; Casanova et al., 2001...Mineral fertilisers include total fertilisers ŽN–P–K. where chloride mainly takes the form of KCl ŽK s...apatites, feldspars Žplagioclase and potassic feldspar. and micas Žbiotite and muscovite. are the 300...dissolution of other Sr-bearing phases such as K-feldspar and micas ŽLasaga, 1984.. Therefore, in open |  | | Report (chapter) | | Milan, Earth Sciences Department, Milan 20133, Italy (e-mail: giovanna.dellaporta@unimi.it) Abstract:...et al. 2014). From: Bosence, D. W. J., Gibbons, K. A., Le Heron, D. P., Morgan, W. A., Pritchard, T...in Tuscany, Marche and Latium regions in central Italy); and (c) ambient temperature freshwater streams...depositing calcareous tufa (Lombardy, northern Italy). Collected samples were investigated through petrographic...hydrothermal travertines from central Italy; 14 from fluvial tufa from northern Italy). Cathodoluminescence was performed |  | Di Tullio, Valeria, Capitani, Donatella, Trojsi, Giorgio, Vicini, Silvia, Proietti, Noemi (2015) Nuclear Magnetic Resonance to investigate inorganic porous materials of interest in the cultural heritage field. European Journal of Mineralogy, 27 (3) 297-310 doi:10.1127/ejm/2015/0027-2453 | Journal (article/letter/editorial) | | via Salaria km. 29,300, 00015 Monterotondo, Rome, Italy *Corresponding author, e-mail: donatella.capitani@cnr...Università di Napoli, Via S. Caterina 37, 80132 Naples, Italy 3 Dipartimento di Chimica e Chimica Industriale...Università di Genova, Via Dodecaneso 31, 16146 Genoa, Italy 27 Al MAS; 29 Si MAS; porous stones; plaster;...from excavation sites in Acquapendente (Viterbo, Italy), and a clay obtained from a quarry located at the... (1) Primal B60 A (supplied by AN.T.A.RES srl, Italy), a waterborne acrylic copolymer with the composition |  | | Journal (article/letter/editorial) | | Fennoscandian shields Philippe Négrel *, Joël Casanova Water Department, BRGM, BP 6009, F 45060 Orléans...1016/j.apgeochem.2004.11.010 750 P. Négrel, J. Casanova / Applied Geochemistry 20 (2005) 749–766 et al...(Bottomley et al., 1994, 1999; Lodemann et al., 1998; Casanova et al., 2001; Kloppmann et al., 2002). Moreover...water samples was carried out by P. Négrel, J. Casanova / Applied Geochemistry 20 (2005) 749–766 751...anion Cl and other elements with the exception of K and Mg. Saline waters and brines are Ca– Na–Cl with |  | | Journal (article/letter/editorial) | | ratios of groundwater in the southeast Riverine Province of the Murray Basin, Australia are between 0.7107...reflects the distribution of K-rich minerals, such as biotite and K-feldspar in the aquifers. However, major...the low groundwater flow rates in the Riverine Province and the clay-rich nature of many of the aquifers...48.8 Ga (Faure, 1991). Rb readily substitutes for K and to a lesser extent Na in many minerals, while...years in age, Sr derived from K-rich minerals such as biotite and K-feldspar will have high 87Sr/86Sr ratios |  | Yang, Shujuan, Huang, Yuanxiao, Wang, Qingfei, Deng, Jun, Liu, Xuefei, Wang, Jiaqi (2019) Mineralogical and geochemical features of karst bauxites from Poci (western Henan, China), implications for parental affinity and bauxitization. Ore Geology Reviews, 105. 295-309 doi:10.1016/j.oregeorev.2018.12.028 | Journal (article/letter/editorial) | | southwest mountain areas and central hills of Henan Province. The regional geology has been elaborated by Liu...Geological Survey of China in Langfang, Hebei Province. Major elements in whole rocks (except FeO and...direct products of hydrothermal alteration after feldspar (Lonker and Fitz Gerald, 1990; Schleicher et al... or 3) as formation by meteoric processes in K-feldspar crystals due to partial dissolution ( Pédro,...Bjørlykke, 1998). Although illite neoformation from K-feldspar ( ) could occur during the early stages of |  | | Journal (article/letter/editorial) | | from the Albani Hills volcanic region, Central Italy G. Chiodini and F. Frondini . . . . . . . . . ....flux from volcanic-hydrothermal fumaroles ´ ´ and K. Notsu . . . . . . . . . . . . . . . . . . . . . ...A. Hernandez, J.M. Salazar, Y. Shimoike, T. Mori, K. Notsu and N. Perez White Island volcano, New Zealand:...SE-Asian continental crust recorded by single K-feldspar grains in large rivers ¨ ......................granitoids: the Vienne Case ŽFrance. ´ P. Negrel, J. Casanova and J.-F. Aranyossy . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | “La Sapienza,” P.le Aldo Moro 5, I-00185 Roma, Italy ABSTRACT The blue pigment and the plaster layer...SO2– 4 , S , H2O, etc.) and cations (Na , Ca , and K ) of the structure. According to Hassan et al. (1985)...Ltd) at the Earth Sciences Department of Siena, Italy. Both powders and polished thin sections, whenever...Cameca SX50 electron microprobe at CNR-IGAG, Rome, Italy under the following conditions: 10 s counting time...wollastonite (Si and Ca), corundum (Al), orthoclase (K), jadeite (Na), barite (S), sylvite (Cl), and fluorophlogopite |  | Rottier, Bertrand, Kouzmanov, Kalin, Ovtcharova, Maria, Ulianov, Alexey, Wälle, Markus, Selby, David, Fontboté, Lluís (2020) Multiple rejuvenation episodes of a silicic magma reservoir at the origin of the large diatreme-dome complex and porphyry-type mineralization events at Cerro de Pasco (Peru). Lithos, 376. 105766pp. doi:10.1016/j.lithos.2020.105766 | Journal (article/letter/editorial) | | Elsevier B.V. All rights reserved. B. Rottier, K. Kouzmanov, M. Ovtcharova et al. Lithos 376–377 (2020)...(Bissig and Tosdal, 2009). Igneous rocks are high-K calc-alkaline and range from basalt to rhyolite, evolved...16 ± 0.04 Ma (zircon U-Pb ID-TIMS; 2 B. Rottier, K. Kouzmanov, M. Ovtcharova et al. Lithos 376–377 (2020)...by porphyry-type mineralization PM2. B. Rottier, K. Kouzmanov, M. Ovtcharova et al. Lithos 376–377 (2020)...with K-feldspar and shreddy biotite (Fig. 2E). The hornfels clasts are formed by quartz, K-feldspar, minor |  | | Journal (article/letter/editorial) | | appears to have formed by remelting of preexisting feldspar ⫹ pyroxene ⫹ tridymite assemblage. Yb anomaly...Heat from molten Fe caused localized melting of feldspar ⫹ pyroxene ⫹ tridymite assemblage. The inclusions...(Bunch et al., 1970; Olsen and Jarosewich, 1971; Casanova et al., 1995) to strongly fractionated (Bunch...unmelted Hchondrite inclusion observed in Techado (Casanova et al., 1995). In addition, analyses of major...il Opx SiO2 TiO2 Al2O3 Cr2O3 FeO MnO MgO CaO Na2O K 2O ZnO V2O5 P2O5 Cl Total Cpx Ab Trid Miles silicate |  | Lerouge, C., Gaucher, E.C., Tournassat, C., Negrel, P., Crouzet, C., Guerrot, C., Gautier, A., Michel, P., Vinsot, A., Buschaert, S. (2010) Strontium distribution and origins in a natural clayey formation (Callovian-Oxfordian, Paris Basin, France): A new sequential extraction procedure. Geochimica et Cosmochimica Acta, 74 (10) 2926-2942 doi:10.1016/j.gca.2010.02.013 | Journal (article/letter/editorial) | | which substitutes for potassium in feldspars, micas, K-bearing clays and other minerals. Like Ca2+, Sr2+...surrounding it using dilute hydrochloric acid leaching (Casanova et al., 1999; Négrel et al., 2001). Otherwise...fraction, consisting of dominant quartz with minor K-feldspar and plagioclase. Bioclasts are essentially shells...strontium is carried by detrital clays, micas and rare feldspar, diagenetic carbonates and diagenetic celestite...in exchangeable position. Strontium in detrital feldspar and micas occupies the same site as potassium |  | | Journal (article/letter/editorial) | | Studi di Milano, Via Mangiagalli, 34, 20133 Milano, Italy 3 CSIRO Mineral Resources, ARRC, 26 Dick Perry Avenue...135–143. Alexkhomyakovite (IMA 2015-013), ideally K 6(Ca2Na)(CO3)5 Cl·6H2O, hexagonal, was discovered...associated with villiaumite, natrite, potassic feldspar, pectolite, sodalite, biotite, lamprophyllite...the bipyramids are disordered. Tenfold-coordinated K cations center KO6Cl(H2O)3 polyhedra on either side...Paar (2018) Lead-antimony sulfosalts from Tuscany (Italy). XXIII. Andreadiniite, CuAg7 HgPb7Sb24S48, a new |  | | Journal (article/letter/editorial) | | Loire River ŽFrance. comprises mainly quartz and K-feldspar during periods of high river flow, with an increase...and Grosbois, 1999. has shown that quartz, ´ K-feldspar, plagioclase and calcite represent the main mineral...dominant clay minerals. The contents of quartz and K-feldspar increased with increasing discharge. In contrast...matter. This is indicated by the high contents of K-feldspar and plagioclase in the suspended matter. However...as suggested by Fig. 3 and as demonstrated by Casanova et al. Ž1999., implies that the 87 Srr86 Sr ratio |  | Scambelluri, Marco, Bebout, Gray E., Belmonte, Donato, Gilio, Mattia, Campomenosi, Nicola, Collins, Nathan, Crispini, Laura (2016) Carbonation of subduction-zone serpentinite (high-pressure ophicarbonate; Ligurian Western Alps) and implications for the deep carbon cycling. Earth and Planetary Science Letters, 441. 155-166 doi:10.1016/j.epsl.2016.02.034 | Journal (article/letter/editorial) | | University of Genova, Italy Istituto di Geoscienze e Georisorse IGG, CNR, Pisa, Italy Department of Earth...carbonated serpentinite in the Voltri Massif (W. Alps, Italy). We show that the H2 O-rich fluid released by dehydration...estimated as better than 3% for Si, Ti, Fe, Ca and K and 7% for Mg, Al, Ms, and Na. Loss of ignition (LOI)...Department of Earth Science, University of Milano (Italy), using a JOEL Superprobe 8200. We use a WDS system...omphacite 154, Ti on ilmenite, Mn on rodonite, K on K-feldspar 113, Al and Ca on anorthite 137, Si on wollastonite |  | Négrel, Philippe, Millot, Romain, Guerrot, Catherine, Petelet-Giraud, Emmanuelle, Brenot, Agnès, Malcuit, Eline (2012) Heterogeneities and interconnections in groundwaters: Coupled B, Li and stable-isotope variations in a large aquifer system (Eocene Sand aquifer, Southwestern France) Chemical Geology, 296. 83-95 doi:10.1016/j.chemgeo.2011.12.022 | Journal (article/letter/editorial) | | , 1995; Barth, 2000a, b; Larsen et al., 2001; Casanova et al., 2002). During adsorption processes, the...Min et al., 2007), past hydrological conditions (Casanova et al., 2005), and geothermal systems (Aggarwal...quartz with some calcite and locally dolomite, and K-feldspars (André et al., 2005). Detrital sediments...by atomic absorption spectrometry (Ca 2 +, Na +, K +, Mg 2 +, accuracy 5–10%), ion chromatography (Cl...al., 2000; Barth, 2000b; Pennisi et al., 2000; Casanova et al., 2002; Négrel et al., 2002; Lemarchand |  | | Journal (article/letter/editorial) | | Particularly useful is the blue CL ofdetrital K-feldspar which contrasts with the orange-red of carbonates...carbonates, and the lack of CL of authigenic feldspar. Thus CL photographs record both the distribution and...and size characteristics of detrital feldspar. Much l.J. FAIRCHILD 288 TABLE 1 Summary of attributes...Detrital quartz is of course much more abundant than feldspar and its distribution in plane polarized light...identified as overgrown clasts. In this case however, feldspar is absent, in contrast to surrounding clastic |  | | Journal (article/letter/editorial) | | Aubaud et al., 2004, 2008; Keppler and Bolfan-Casanova, 2006; Kohn and Grant, 2006; Tenner et al., 2009)...#pl22-MI SiO2 TiO2 Al2O3 FeO*c MnO MgO CaO Na2O K 2O P 2O 5 Cr2O3 NiO SO3 molecular H2Od OHd CO2d 50...the partition coefficient of hydrogen between K-feldspar (anorthoclase, An15– 20Or15–20) and phonolitic...partitioning is unclear, but difference in abundance of K between two systems may give clue to this problem...incorporation of abundant hydrogen as molecular H2O in K-feldspar (e.g., Kronenberg et al., 1996). 3. Hydrogen |  | Humez, Pauline, Négrel, Philippe, Lagneau, Vincent, Lions, Julie, Kloppmann, Wolfram, Gal, Frédérick, Millot, Romain, Guerrot, Catherine, Flehoc, Christine, Widory, David, Girard, Jean-François (2014) CO2–water–mineral reactions during CO2 leakage: Geochemical and isotopic monitoring of a CO2 injection field test. Chemical Geology, 368. 11-30 doi:10.1016/j.chemgeo.2014.01.001 | Journal (article/letter/editorial) | | water/rock interaction processes (e.g. Négrel and Casanova, 2005; Millot and Négrel, 2007). Due to its ubiquity...quartz (35–50%), plagioclase feldspar (albite 23–33%), potassic feldspar (orthose 8–12%), mica (annite...between the surface and 24 m-depth, but (i) for Al, Be, K, Mn, Si, and As the concentrations remain constant...elements) 0 4 8 12 16 20 24 40 50 60 0 K 2O Be Ni As Sr -5 Depth profile (m) Depth profile...(1996). Sample identification pH Conduct.a (σ) μs/cm K mmol/L Mg mmol/L Na mmol/L SO4 mmol/L Si mmol/L |  | McDermott, Kathryn H., Greenwood, Richard C., Scott, Edward R.D., Franchi, Ian A., Anand, Mahesh (2016) Oxygen isotope and petrological study of silicate inclusions in IIE iron meteorites and their relationship with H chondrites. Geochimica et Cosmochimica Acta, 173. 97-113 doi:10.1016/j.gca.2015.10.014 | Journal (article/letter/editorial) | | occupy 5–10 vol.%, commonly take the form of feldspar-rich globules (Buchwald, 1975; Prinz et al., 1983;...et al., 1994). Most inclusions contain Na-rich feldspar and orthopyroxene ± clinopyroxene and olivine...that of the H chondrites (Olsen et al., 1994; Casanova et al., 1995; Van Roosbroek et al., 2015). This...g. Wasson and Wang, 1986; Olsen et al., 1994; Casanova et al., 1995; Ruzicka and Hutson, 2010; Van Roosbroek...and Miles), or as powdered mineral separates of feldspar or glass (Table 1) and so only oxygen isotopic |  | | Journal (article/letter/editorial) | | about 17 km southwest of Donghai City in Jiangsu province (Fig. 1). This area is underlain mainly by granitic...abbreviations: Qz—quartz, Pl—plagioclase, Kfs—potassic feldspar, Gt—garnet, Omp—omphacite, Mus—muscovite, Ep—epidote...to −88‰ for plagioclase, and −112 to −101‰ for K-feldspar. NAMs from schist and gneiss have δD values that...−112 to −84‰ for plagioclase, −155 to −85‰ for K-feldspar, and −138 to −96‰ for magnetite. Epidote has...abbreviations: Qz—quartz, Pl—plagioclase, Kfs—potassic feldspar, Gt—garnet, Omp—omphacite, Mus—muscovite, Ep—epidote |  | | Journal (article/letter/editorial) | | 8SiO2(s) Release of associated cations (Ca2+, Mg2+,K+,...) Analysis of the major and minor species in solution... cations CEC trace elements Other silicates Feldspar Amphibole Pyroxene ... Dissolution/precipitation...addition, the dissolution of minerals such as K-feldspar and glauconite results in an increase in the...exchange of the water’s oxygen with that of the CO2 (Casanova et al., 1999; Négrel et al., 2004). Indeed, the...those produced by the radioactive decay of U, Th and K in the crust (Ballentine et al., 2002; Gilfillan et |  | | Journal (article/letter/editorial) | | Prinz, 1979), Si-bearing metallic Fe,Ni (e.g., Casanova et al., 1993a), Ti–Cr-bearing troilite (e.g.,...highly reducing conditions and are unknown from 296 K. Keil / Chemie der Erde 70 (2010) 295–317 Earth (see...2005), Mount Egerton (Watters and Prinz, 1980; Casanova et al., 1993b), NWA 4832 (Bunch and Wittke, 2009)...metallic Fe,Ni (Si 2.03%) (Watters and Prinz, 1980; Casanova et al. 1993b), considerably above what has been...avg. 0.90 wt%) (e.g., Watters and Prinz, 1979; Casanova et al., 1993a) and Ti-bearing troilite (trace |  | | Journal (article/letter/editorial) | | have been detected in the Campanian Volcanic Province of Italy (Aiuppa et al., 2006). Concentrations up to...celestine, heulandite, clinoptilolite, analcime, K-feldspar, quartz, opalCT, montmorillonite, chlorite and...Anhydrite, celestite, analcime and B-bearing K-feldspar are more rarely observed within the borate deposits...samples T (°C) pH Eh (mV) EC (mS/ cm) Na (mg/ L) K (mg/ L) Ca (mg/ L) Mg (mg/ L) Cl (mg/ L) HCO3...Bigadicß clays consists of dominant smectite, K-feldspar, ulexite and calcite. Lithium concentrations |
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