 | Lozano, R. P., Rossi, C., La Iglesia, A., Matesanz, E. (2012) Zaccagnaite-3R, a new Zn-Al hydrotalcite polytype from El Soplao cave (Cantabria, Spain) American Mineralogist, 97 (4) 513-523 doi:10.2138/am.2012.3908 | Journal (article/letter/editorial) | | 2012 Zaccagnaite-3R, a new Zn-Al hydrotalcite polytype from El Soplao cave (Cantabria, Spain) Rafael...Rossi,2 Ángel La Iglesia,3 and Emilio Matesanz4 Museo Geominero, Instituto Geológico y Minero de España, Ríos...28003, Spain 2 Departamento de Petrología y Geoquímica, Universidad Complutense, Madrid 28040, Spain 3 Instituto...Instituto de Geología Económica (CSIC-UCM), Universidad Complutense, Madrid 28040, Spain 4 CAI de Difracción...Difracción de Rayos X, Universidad Complutense, Madrid 28040, Spain 1 Abstract We have recently discovered |  | | Report (issue) | | Zaccagnaite Zn4Al2(OH)12(CO3)·3H2O Crystal Data: Hexagonal. Point Group: 6/m 2/m 2/m or 3 2/m. As minute...hexagonal crystals, elongated along [0001] to 0.2 mm. 3R polytype shows octahedral or hexagonal pyramidal...Group: R3 m. a = 3.06616(1) c = 22.6164(1) Z = 3 3R polytype P63/mmc. a = 3.0725(3) c = 15.114(4) 2H...92Cu0.02Al2.06)(OH)12][(CO3)∙3H2O]. (2) El Soplao cave, northern Spain; average electron microprobe analysis...0)(OH)10(CO3)1.0∙2.5H2O. Polymorphism & Series: 2H and 3R polytypes. Mineral Group: Hydrotalcite-manasseite |  | | Journal (article/letter/editorial) | | controls on aragonite versus calcite precipitation in cave dripwaters Carlos Rossi a,⇑, Rafael P. Lozano b...Geoquı́mica, Facultad de Ciencias Geológicas, Universidad Complutense, 28040 Madrid, Spain b Museo Geominero-Instituto...Geominero-Instituto Geológico y Minero de España, Rı́os Rosas 23, Madrid 28003, Spain Received 10 March 2016; accepted...precipitating calcite and/or aragonite in El Soplao and Torca Ancha Caves (N. Spain), investigating the mineralogy...Elsevier Ltd. All rights reserved. Keywords: Cave drip waters; Cave monitoring; Stalagmites; Aragonite-calcite |  | | Journal (issue) | | the Virginia landscape. I was unfamiliar with this area in the southeastern part of the state, and a little...Syndicates were formed (Dismal Swamp Land Company, el al.) with the hope of draining the swamp and harvesting...farming. The Great Dismal Swamp extended over an area of more than 35 miles long and up to 12 miles wide...syndicates eventually realized that draining the area was too large a task, and they focused on the lumber...figure 7). (The Danish government leased the Ivigtut area to a Pennsylvania company, and that will be a story |  | Arfè, Giuseppe, Mondillo, Nicola, Balassone, Giuseppina, Boni, Maria, Cappelletti, Piergiulio, Di Palma, Tommaso (2017) Identification of Zn-Bearing Micas and Clays from the Cristal and Mina Grande Zinc Deposits (Bongará Province, Amazonas Region, Northern Peru) Minerals, 7 (11) 214 doi:10.3390/min7110214 | Journal (article/letter/editorial) | | fraipontite-zaccagnaite (3R-polytype) association was detected. The identified zaccagnaite polytype suggests...suggests that both fraipontite and zaccagnaite are genetically related to weathering processes. The hendricksite...nature of clays is crucial information for the mining industry dealing with nonsulfide deposits, the...and nonsulfide deposits, located in the Bongará area, belonging to the Subandean fold and thrust belt...Chonta-Chulec Formation [44]. The study area was affected by Neogene The study area was affected by Neogene tectonics |  | Balassone, Giuseppina, Scognamiglio, Valentina, Nieto, Fernando, Mondillo, Nicola, Boni, Maria, Cappelletti, Piergiulio, Arfè, Giuseppe (2020) The nature of Zn-phyllosilicates in the nonsulfide Mina Grande and Cristal zinc deposits (Bongará District, Northern Peru): The TEM-HRTEM and AEM perspective. American Mineralogist, 105 (8). 1223-1241 doi:10.2138/am-2020-7140 | Journal (article/letter/editorial) | | Departamento de Mineralogía y Petrología and IACT, Universidad de Granada, Granada, Spain 4 Department...Group (Condorsinga formation, Lower Jurassic), in an area affected by Neogene tectonics and characterized...are also commonly found in contaminated soils at mining and smelting sites (Manceau et al. 2000; Juillot...and nonsulfide deposits, located in the Bongará area in northern Peru (Arfè et al. 2017a, 2017b, 2018;...the complex mineral assemblages of the Bongará mining district. A first detailed mineralogical identification |  | | Journal (issue) | | geonieuws maandblad van de mineralogische kring antwerpen v.z.w. 38(1), januari 2013 In dit nummer :...Tsumeb, Namibië : een nieuwe kans ? 2014 Jaar van de kristallografie Cronstedt : "Het Krügerhaus", Freiberg...zonder voorafgaande schriftelijke toestemming van de uitgever. Betalingen bankrekening 789-5809102-81...www.minerant.org Faujasiet-tweelingkristal volgens de spinelwet. Kristal ongeveer 1 mm. Limberg groeve...determinaties, afspraken voor privé-excursies, raadplegen van de bibliotheek, uitleendienst of... gewoon een gezellig |  | Zhitova, Elena S., Krivovichev, Sergey V., Pekov, Igor V., Yapaskurt, Vasiliy O. (2019) Crystal Chemistry of Chlormagaluminite, Mg4Al2(OH)12Cl2(H2O)2, a Natural Layered Double Hydroxide. Minerals, 9 (4) 221-236 doi:10.3390/min9040221 | Journal (article/letter/editorial) | | 1.881 5 /2.07 6 n.g. n.g. n.g. Polytype 2H 3R 3R 3R (3R1 ) a0 , Å 1 d, Å 2 Source 3.05 7.73 [24]...nA; the electron beam was rastered to 5 µm × 5 µm area to minimize damage to the sample. The standards...and equipped with a charge coupled device (CCD) area detector. The intensity data were reduced and corrected...[51–53], quintinite [34,53–58], takovite [59], and zaccagnaite [60]. It has been found that C atoms of CO3 groups...Eng. 2015, 120, 1175–1178. [CrossRef] Cunha, V.R.; de Souza, R.B.; da Fonseca Martins, A.M.; Koh, I.H.; |  | | Journal (article/letter/editorial) | | crystals Article Antimonate Removal from Polluted Mining Water by Calcined Layered Double Hydroxides Elisabetta...the mixed ZnAl oxides, resulting from calcined zaccagnaite-like compound (2ZC-cal), trapped Sb(OH)6 − in...favorable for the Sb(V) removal from solution by La and Ce-doped magnetic biochars [21,22]. With respect...Mg6 (Al0.5 Fe0.5 )2 (CO3 )(OH)16 ·4H2 O) and zaccagnaite (with formula Zn4 Al2 (CO3 )(OH)12 ·3H2 O) remove...work we used calcined hydrotalcite-like and zaccagnaite-like compounds to carry out batch experiments |  | | Journal (article/letter/editorial) | | Departamento de Geología and CEACT, Universidad de Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain; miabad@ujaen...contexts from the Betic-Rifian Cordillera (South Spain and North Morocco): marine hardgrounds, submarine...contexts from the Betic-Rifian Cordillera (South Spain and North Morocco): marine hardgrounds, submarine...External Zones). The Subbetic is the more distal area with respect to the Iberian Plate, and it is composed...end of the Rifian Calcareous Chain (Figure 1), an area corresponding to the Jbel Moussa Group [63]. The |  | Zhitova, Elena S., Pekov, Igor V., Chaikovskiy, Ilya I., Chirkova, Elena P., Yapaskurt, Vasiliy O., Bychkova, Yana V., Belakovskiy, Dmitry I., Chukanov, Nikita V., Zubkova, Natalia V., Krivovichev, Sergey V., Bocharov, Vladimir N. (2019) Dritsite, Li2Al4(OH)12Cl2·3H2O, a New Gibbsite-Based Hydrotalcite Supergroup Mineral. Minerals, 9 (8) 492 doi:10.3390/min9080492 | Journal (article/letter/editorial) | | University, Vorobievy Gory, Moscow 119991, Russia Mining Institute, Ural Branch of the Russian Academy of...depth of 247.6–248 m, drilled at the Romanovskiy area of the well-known giant Verkhnekamskoe potassium...potassium salt deposit, 30-km south Romanovskiy area of the well-known giant Verkhnekamskoe potassium salt deposit...electron beam was rastered(5) to a were 5 × 5 µm area) and wavelength-dispersive spectroscopy mode (20...(S), and NaCl 2O3 (Al), wollastonite 5(Cl). μmThe area) and given contents of Al, Si, S, and Cl. The standards |  | Zhitova, Elena S., Krivovichev, Sergey V., Yakovenchuk, Viktor N., Ivanyuk, Gregory Yu., Pakhomovsky, Yakov A., Mikhailova, Julia A. (2018) Crystal chemistry of natural layered double hydroxides: 4. Crystal structures and evolution of structural complexity of quintinite polytypes from the Kovdor alkaline-ultrabasic massif, Kola peninsula, Russia. Mineralogical Magazine, 82 (2) 329-346 doi:10.1180/minmag.2017.081.046 | Journal (article/letter/editorial) | | Editor: Ed Grew] A bstrac t Two quintinite polytypes, 3R and 2T, which are new for the Kovdor alkaline-ultrabasic...=Ab1C = Cb1A=…. The crystal structure of quintinite-3R was solved by direct methods and refined to R1 =...single-crystal structure refinements of takovite-3R (Mills et al., 2012d), cualstibite-1M (Kolitsch et...Rietveld refinement and re-examination of stichtite-3R and -2H (Mills et al., 2011); discovery of a new...hydrotalcite neotype material as found in both 2H and 3R polytypes (Mills et al., 2016); re-investigation |  | Mills, S. J., Christy, A. G., Génin, J.-M. R., Kameda, T., Colombo, F. (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76 (5) 1289-1336 doi:10.1180/minmag.2012.076.5.10 | Journal (article/letter/editorial) | | Australia Institut Jean Barriol FR2843, CNRS-Université de Lorraine, ESSTIN, 2 rue Jean Lamour, F-54500 VandoeuvreLès-Nancy... Sendai 980-8579, Japan Cátedra de Geologı́a General, Facultad de Ciencias Exactas, Fı́sicas y Naturales...Naturales, Universidad Nacional de Córdoba, Vélez Sarsfield 1611, Córdoba, Argentina [Received 23 August...occur as clay-sized crystals with large surface area to volume ratios (Meyn et al., 1990). They have...and Jepsen, 1969), reevesite (White et al., 1967; De Waal and Viljoen, 1971)]; 363 [carrboydite (Nickel |
|
El Soplao cave, La Florida mining area, Sierra de Arnero, Cantabria, Spain