 | | Report (chapter) | | Aveiro, Portugal Department of Civil Engineering, Geobiotec, University of Aveiro, Portugal *Corresponding... Earth construction worldwide (CRAterre). In Portugal, earth construction was also a very common technique...this type of construction appears in southern Portugal. The tabique method consists of a wooden structure...shrinking may damage the walls (Burroughs 2008). In Portugal, earthen materials have been used in load-bearing...HERITAGE CONSERVATION Fig. 2. Earth construction in Portugal (Martins 2009). 2005). There is an increased |  | Alonso-Olazabal, Ainhoa, Ortega, Luis Angel, Zuluaga, Maria Cruz, Ponce-Antón, Graciela, Jiménez Echevarría, Javier, Alonso Fernández, Carmen (2020) Compositional Characterization and Chronology of Roman Mortars from the Archaeological Site of Arroyo De La Dehesa De Velasco (Burgo De Osma- Ciudad De Osma, Soria, Spain) Minerals, 10 (5) 393 doi:10.3390/min10050393 | Journal (article/letter/editorial) | | Clay Limestones Limestones Qzt Qz: quartz; Cal: Calcite; Fsp: Feldspar; Qzt: Quartzites; WS: well sorted;...with calcite binder. L0 marmorino layer, L1 crushed limestone and L3 siliceous pebbles with calcite binder...were finished with a thin lime, with a euhedral calcite or limestone documented by Vitruvius [40] and used...in detail by SEM, revealing a microcrystalline calcite (Figure 4a). SEM analyses also The wall mortars...were finished with a thin lime, with a euhedral calcite or limestone fragments layer or a marmorino layer |  | Longos, Alberto, Tigue, April Anne, Dollente, Ithan Jessemar, Malenab, Roy Alvin, Bernardo-Arugay, Ivyleen, Hinode, Hirofumi, Kurniawan, Winarto, Promentilla, Michael Angelo (2020) Optimization of the Mix Formulation of Geopolymer Using Nickel-Laterite Mine Waste and Coal Fly Ash. Minerals, 10 (12) 1144 doi:10.3390/min10121144 | Journal (article/letter/editorial) | | Formulation of Geopolymer Using Nickel-Laterite Mine Waste and Coal Fly Ash Alberto Longos, Jr. 1, *...formulation of geopolymer cement from nickel–laterite mine waste (NMW) and coal fly ash (CFA) as geopolymer...I-optimal; response surface methodology; optimization; mine waste 1. Introduction The rapid increase in construction...aluminum (Al), or iron (Fe) in an amorphous form [5]. Mine waste has also emerged as a potential geopolymer...activations pretreatment were done to Ni-laterite mine waste from the Philippines to enhance its property |  | Tutal, Adrian, Partschefeld, Stephan, Schneider, Jens, Osburg, Andrea (2020) EFFECTS OF BIO-BASED PLASTICIZERS, MADE FROM STARCH, ON THE PROPERTIES OF FRESH AND HARDENED METAKAOLIN-GEOPOLYMER MORTAR: BASIC INVESTIGATIONS. Clays and Clay Minerals, 68 (5). 413-427 doi:10.1007/s42860-020-00084-8 | Journal (article/letter/editorial) | | consisted of fines, including quartz, calcite, and anatase. The calcite content was comparable to the CaO...Metaver R Phase Content (wt.%) Amorphous Quartz Calcite Anatase 50.8 ± 1.7 44.7 ± 1.4 3.0 ± 0.6 1.6 ±...superplasticizer properties for concrete. In F. Pacheco-Torgal, V. Ivanov, N. Karak, & H. Jonkers (Eds.), Biopolymers...superplasticizer based on chitosan. In F. Pacheco-Torgal, V. Ivanov, N. Karak, & H. Jonkers (Eds.), Biopolymers |  | Croce, A., Allegrina, M., Trivero, P., Rinaudo, C., Viani, A., Pollastri, S., Gualtieri, A. F. (2014) The concept of ‘end of waste’ and recycling of hazardous materials: in depth characterization of the product of thermal transformation of cement-asbestos. Mineralogical Magazine, 78 (5) 1177-1191 doi:10.1180/minmag.2014.078.5.06 | Journal (article/letter/editorial) | | samples. Sample Origin Type Chrysotile Amphibole Calcite Aragonite Dolomite Quartz Plagioclase K-feldspar...oxide, made available by the decarbonation of calcite usually taking place at temperatures >700ºC (Palandri...Sharp et al., 1986), because when åkermanite and calcite are in equilibrium, their stability is limited...recycled concrete and demolition waste, (F. Pacheco-Torgal, V.W.Y. Tam, J.A. Labrincha, Y. Ding and J. De...comparative study between calcite and dolomite rich clays from Algarve, Portugal. Applied Clay Science, |  | Opiso, Einstine M., Tabelin, Carlito Baltazar, Maestre, Christian V., Aseniero, John Paul J., Arima, Takahiko, Villacorte-Tabelin, Mylah (2023) Utilization of Palm Oil Fuel Ash (POFA) as an Admixture for the Synthesis of a Gold Mine Tailings-Based Geopolymer Composite. Minerals, 13 (2) 232 doi:10.3390/min13020232 | Journal (article/letter/editorial) | | (POFA) as an Admixture for the Synthesis of a Gold Mine Tailings-Based Geopolymer Composite Einstine M....(POFA) as an Admixture for the Synthesis of a Gold Mine Tailings-Based Geopolymer Composite. Minerals 2023...tabelin@gmail.com Abstract: The repurposing of gold (Au) mine tailings from artisanal and small-scale mining (ASGM)...reduction in developing countries. Direct activation of mine tailings, however, is challenging because these...quartz (SiO2 ) (~58%), pyrite (FeS2 ) (~20%) and calcite (CaCO3 ) (~15%) with minor to trace amounts of |  | | Journal (article/letter/editorial) | | quartz (SiO2 ); alb: albite (NaAlSi3 O8 ); c: calcite √ (CaCO3 ); g: gypsum (CaSO4 ·2H2 O); p: Ca(OH)2...activator also contained calcium sulfate. In addition, calcite was detected in the 28 days water-hydrated binder...vibrations in water [26,27]. Carbonates such as calcite were also identified, with bands at 1428 cm−1 ...Abdollahnejad, Z.; Hlavacek, P.; Miraldo, S.; Pacheco-Torgal, F.; De Aguiar, J.L.B. Compressive strength, microstructure |  | | Journal (article/letter/editorial) | | Portlandite Periclase Brucite Gehlenite Calcite Magnesian calcite Mayenite Merwinite β-C2 S Ca(OH)2 MgO...observed. The appearance of new phases such as calcite (CaCO3 ), katoite (Ca3 Al2 (SiO4 )1.5(OH)6 ), and...first is the appearance of the peak relative to calcite (CaCO3 ) and a decrease in the peak relative to...to beta-calcium silicate and magnesian calcite. This change may be due to the conversion of portlandite...observed. The appearance of new phases such as calcite (CaCO3), katoite (Ca3Al2(SiO4)1.5(OH)6), and hydrocalcite |  | Gualtieri, A. F., Pollastri, S., Gandolfi, N. B., Ronchetti, F., Albonico, C., Cavallo, A., Zanetti, G., Marini, P., Sala, O. (2014) Determination of the concentration of asbestos minerals in highly contaminated mine tailings: An example from abandoned mine waste of Cretaz and Emarese (Valle d'Aosta, Italy) American Mineralogist, 99 (7) 1233-1247 doi:10.2138/am.2014.4708 | Journal (article/letter/editorial) | | minerals in highly contaminated mine tailings: An example from abandoned mine waste of Crètaz and Èmarese...concentration maps of asbestos minerals in contaminated mine tailings drawn using the results of Rietveld quantitative...(Italy): Crètaz, the most important Italian magnetite mine, active until 1979 and Emarèse, one the most important...plan. Keywords: Chrysotile, tremolite, serpentine, mine tailings, quantitative determination Introduction...GUALTIERI ET AL.: ASBESTOS IN HIGHLY CONTAMINATED MINE TAILINGS asbestos mineral species are assumed to |  | Giacobbe, Carlotta, Wright, Jonathan, Di Giuseppe, Dario, Zoboli, Alessandro, Zapparoli, Mauro, Gualtieri, Alessandro (2018) Synchrotron Nano-Diffraction Study of Thermally Treated Asbestos Tremolite from Val d’Ala, Turin (Italy) Minerals, 8 (8) 311 doi:10.3390/min8080311 | Journal (article/letter/editorial) | | clinoenstatite 2.1(4), protoenstatite 0.7(3), and calcite (secondary) 0.2(1). 89.7(3), cristobalite 7.3(4)...clinoenstatite 2.1(4), protoenstatite 0.7(3), and calcite (secondary) 0.2(1). Figure 1. Interpretation of...Each row corresponds to a phase with diopside, calcite, cristobalite, clinoenstatite, and Figure 2. Graphical...corresponds bottom to the top.to a phase with diopside, calcite, cristobalite, clinoenstatite, 1000 °C. Legend:...Each row corresponds to a phase with diopside, calcite, cristobalite, clinoenstatite, and protoenstatite |  | | Journal (article/letter/editorial) | | minerals. For example, the loss of CO2 from the calcite present in cement leads to a reducing environment...Control) standard amosite amphibole asbestos from Penge mine (South Africa) [(Ca0.02 Na0.01 )(Fe2+ 5.36 Mg1.48...standard crocidolite amphibole asbestos from Koegas Mine, (South Africa) [(Na1.96Ca0.03K0.01)2(Fe2+ 2.34Fe3+...hazards. In Toxicity of Building Materials; Pacheco-Torgal, F., Jalali, S., Fucic, A., Eds.; Woodhead Publishing:...and its stationary state between aragonite and calcite I. Effects of preliminary annealing. Powder Technol |  | Cornelius, Mero-Lee Ursula, Ameh, Alechine Emmanuel, Eze, Chuks Paul, Fatoba, Olanrewaju, Sartbaeva, Asel, Petrik, Leslie Felicia (2021) The Behaviour of Rare Earth Elements from South African Coal Fly Ash during Enrichment Processes: Wet, Magnetic Separation and Zeolitisation. Minerals, 11 (9) 950 doi:10.3390/min11090950 | Journal (article/letter/editorial) | | Other applications include CFA utilisation for mine back-filling, as well as agricultural remediation...phases found in coal for example Apatite (Ca, P), Calcite (Ca), Dolomite (Ca, Mg), mon mineral phases found...found in coal for example Apatite (Ca, P), Calcite (Ca), Dolomite (Ca, Gypsum (Ca), Chromite (Cr, Mg),...[CrossRef] Mastali, M.; Abdollahnejad, Z.; Pacheco-Torgal, F. 16—Carbon dioxide sequestration of fly ash...Fly Ash or Ferric Chloride for Acid Mine Drainage Remediation. Mine Water Environ. 2019, 38, 617–631. [CrossRef] |  | | Journal (article/letter/editorial) | | by the amorphous part, which was accompanied by calcite, gibbsite, ettringite, gypsum, and bassanite (Figure...cement slurry were identified, e.g., portlandite, calcite, dicalcium silicate, ettringite, and katoite (Figure...portlandite, calcite, dicalcium silicate, ettringite, and katoite (Figur were e.g.,ofportlandite, calcite, dicalcium...Recycled Concrete and Demolition Waste; Pacheco-Torgal, F., Tam, V.W.Y., Labrincha, J.A., Ding, Y., de |  | | Journal (article/letter/editorial) | | the crystalline fraction. On the other hand, the calcite amount obtained by RQPA is slightly overestimated...overlapping between C3S and calcite main peaks, which makes problematic the calcite quantification at low contents...2013, 2014). Some amounts of calcium carbonate (calcite and vaterite) were also quantified. These carbonates...in these patterns with the calcium carbonate (calcite and vaterite phases) slightly evolving with time...in Eco-efficient Concrete, edited by F. Pacheco-Torgal, S. Jalali, J. Labrincha and V. M. John (Woodhead |  | Petrounias, Petros, Giannakopoulou, Panagiota P., Rogkala, Aikaterini, Lampropoulou, Paraskevi, Tsikouras, Basilios, Rigopoulos, Ioannis, Hatzipanagiotou, Konstantin (2019) Petrographic and Mechanical Characteristics of Concrete Produced by Different Type of Recycled Materials. Geosciences, 9 (6) 264 doi:10.3390/geosciences9060264 | Journal (article/letter/editorial) | | the asphalt surface, it was observed that the calcite crystals those without primer (Figure 2d). Concerning...the asphalt surface, it was observed that the calcite contained contribute to surface, ranging from smooth...of using asphalt, as characterized by several calcite particles, as aggregate in concrete, coating with... 57. 58. 59. 60. 61. 62. 63. 64. 15 of 15 Torgal, F.P.; Jalali, S. Compressive strength and durability |  | Frías, Moisés, Vigil de la Villa, Raquel, Martínez-Ramírez, Sagrario, Fernández-Carrasco, Lucía, Villar-Cociña, Ernesto, García-Giménez, Rosario (2020) Multi-Technique Characterization of a Fine Fraction of CDW and Assessment of Reactivity in a CDW/Lime System. Minerals, 10 (7) 590 doi:10.3390/min10070590 | Journal (article/letter/editorial) | | the fine waste consisted primarily in quartz, calcite, micas and feldspars, with smaller fractions of...calcareous waste. Waste HsC, with the highest calcite content of the three siliceous materials, also...attested to the differences in the majority mineral (calcite or quartz) hardness. The similarity of fineness...fine concrete-based waste, with phases such as calcite, mica, quartz and feldspars clearly present. Rietveld...quartz (00-033-1161), feldspar (00-013-0931), calcite (01-072-1937) and kaolinite (04-013-3074). Kaolinite |  | | Journal (article/letter/editorial) | | formation of the three crystalline CaCO3 polymorphs (calcite, aragonite and vaterite), amorphous silica gel...under a thermodynamically controlled environment, calcite will mainly crystallize. II. Carbonation of C-S-H...[20], mixtures of vaterite and aragonite [18], calcite [17] and even the three CaCO3 polymorphs depending... (1) (2) (3) (4) # CaCO3 can precipitate as calcite, aragonite, vaterite, amorphous calcium carbonate(s)...MgO content favours the formation of ACC over calcite or vaterite. In a second work from the same authors |  | Cuesta, Ana, Zea-Garcia, Jesus D., Londono-Zuluaga, Diana, De la Torre, Angeles G., Santacruz, Isabel, Vallcorba, Oriol, Aranda, Miguel (2017) Synchrotron Radiation Pair Distribution Function Analysis of Gels in Cements. Crystals, 7 (10) 317 doi:10.3390/cryst7100317 | Journal (article/letter/editorial) | | decreased ~18 wt%tofor w/s 0.46 sample. Crystalline calcite contents, w/s = 0.80 ~22 wt%, whichto decreased...~18the wt% for=the w/s = 0.46 sample. Crystalline calcite from the partial carbonation of portlandite, were...content, ICSD #202220) and alite (ICSD #94742) and calcite (low contents, ICSD are portlandite (high content...content, ICSD #202220) and alite (ICSD #94742) and calcite (low contents, ICSD #80869). The main peaks are...due Two to thesmall decarbonation crystalline calcite. that the 600loss is due to calcium signals areofobserved |  | | Journal (article/letter/editorial) | | 72 0.63 1.22 3.51 1.83 98.30 2.70 Microcline Calcite 1.70 - 16.10 Dolomite Moscovite 100 79.90 1...Mater. Constr. 2019, 69, 191. [CrossRef] Pacheco-Torgal, F.; Labrincha, J.A.; Leonelli, C.; Palomo, A.; |  | | Journal (article/letter/editorial) | | Mater. 2018, 181, 420–436. [CrossRef] Pacheco-Torgal, F.; Labrincha, J.; Leonelli, C.; Palomo, A.; Chindaprasit...numerical investigation into surface strength of mine tailings after biopolymer stabilization. Acta Geotech...H.; Nam, K. Evaluation of microbially Induced calcite precipitation (MICP) methods on different soil |  | Cosa, Juan, Soriano, Lourdes, Borrachero, María, Reig, Lucía, Payá, Jordi, Monzó, José (2018) The Compressive Strength and Microstructure of Alkali-Activated Binary Cements Developed by Combining Ceramic Sanitaryware with Fly Ash or Blast Furnace Slag. Minerals, 8 (8) 337 doi:10.3390/min8080337 | Journal (article/letter/editorial) | | amorphous to XRD crystalline phases quartz and calcite (C, CaCO As observed by Ismail et al. [29], thephases...that of FA or attributed CSW denotes quartz and calcite (C, CaCO3 , PDF#050586). As observed by Ismail...different location of crystalline phases quartz calcite (C, CaCOof PDF#050586). As observed by Ismail et...Mullite (M, Al6Si2O13); Anorthite (A, CaAl2Si2O8); Calcite (C, CaCO3); Gypsum (G, CaSO4·2H2O); Figure 3. (F...Mullite (M, Al6Si2O13); Anorthite (A, CaAl2Si2O8); Calcite (C, CaCO3); Gypsum (G, CaSO4·2H2O); Mullite (M |  | Usta, Mustafa Cem, Yörük, Can Rüstü, Uibu, Mai, Hain, Tiina, Gregor, Andre, Trikkel, Andres (2022) CO2 Curing of Ca-Rich Fly Ashes to Produce Cement-Free Building Materials. Minerals, 12 (5) 513 doi:10.3390/min12050513 | Journal (article/letter/editorial) | | compacts was changed after carbonation due to the calcite formations (being the primary carbonation product)...(%) LFA (%) Quartz K-feldspar Plagioclase Mica Calcite Lime Portlandite Periclase Anhydrite C2 S Merwinite...Minerals 1312of of 26 24 well crystalline of◦calcite [41]. This may thermal of the forof Ca(OH) to 500...occurrence in the not well crystalline form of calcite [41]. This may show different thermal stability...to poor transformation of amorphous CaCO3 into calcite, which generally has more stable formations at |  | Sokol, E. V., Kokh, S. N., Vapnik, Y., Thiery, V., Korzhova, S. A. (2014) Natural analogs of belite sulfoaluminate cement clinkers from Negev Desert, Israel. American Mineralogist, 99 (7) 1471-1487 doi:10.2138/am.2014.4704 | Journal (article/letter/editorial) | | hydration and/or carbonation products (mainly calcite, aragonite, gypsum, and ettringite, with lesser...located near top of Har-Parsa. Magnesioferrite Calcite after larnite Fe-analog of shulamitite α’-Ca2SiO4...(Gross 1984) Larnite, Ye’elimite, Aragonite, Calcite, Cobbles from pseudoFluorapatite-Fluorellestaditess...Hatrurim Basin. Larnite, Brownmillerite, Aragonite, Calcite, Fluorellestadite, Ye’elimite Gypsum, Ca-Al-hydrates...production site have become cemented with secondary calcite to form monolithic breccias due to hydration and |  | Ukritnukun, Supphatuch, Koshy, Pramod, Rawal, Aditya, Castel, Arnaud, Sorrell, Charles Christopher (2020) Predictive Model of Setting Times and Compressive Strengths for Low-Alkali, Ambient-Cured, Fly Ash/Slag-Based Geopolymers. Minerals, 10 (10) 920 doi:10.3390/min10100920 | Journal (article/letter/editorial) | | There also are small but detectable quantities of calcite (CaCO3 ) determined by laser diffraction using...M—Mullite; C—Calcite; H—Hematite; G—Gypsum; V1—Vitreous (aluminosilicate); V2—Vitreous Mullite; C—Calcite; H—Hematite;...blast furnace slag, where Q—Quartz; M— Mullite; C—Calcite; H—Hematite; G—Gypsum; V1—Vitreous (aluminosilicate);...Alkali-Activated Cements, Mortars and Concretes; Pacheco-Torgal, F., Labrincha, J., Leonelli, C., Palomo, A., Chindaprasit |  | | Report (volume) | | Burma Corporation, Ltd. (3) Stolzite, Hermyingyi mine, Tavoy; presented by M r. A. W. Ross. (4) Lignite...Eail■way Board. (5) Hollandite, Balaghat manganese mine; presented by Mr. L. E. Bartlett. (6) Red and yellow...the general terms of the mining leases. At each mine visited I made such geological examination as was...in situ as a somewhat brecoiated rook full of calcite infiltrations. The junction between the limestone...limestone, occasionally brocciatod and traversed by calcite-filled cracks, are found. They are unfossiliforous |
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