 | | Journal (article/letter/editorial) | | dissolution breccia in the Lower Vis6an limestones of SE Belgium Ph. Muchez a'~, C. Peeters a, W. Viaenea and E...Universiteit Leuven, Celestijnenlaan 200C, B-3001 Leuven, Belgium bLaboratorium voor Geochronology, Faculteit Wetenschappen...Universiteit Brussel, Pleinlaan 2, B-I 050 Brussels, Belgium (Received October 9, 1991; revised and accepted...dissolution breccia in the Lower Vis6an limestones of SE Belgium. Chem. Geol., 102:119-127. An evaporitic dissolution...in the Lower Visran limestones of southeastern Belgium. Three periods of brecciation have been recognized |  | | Journal (article/letter/editorial) | | (Poppelsberg) des calcites provenant d'un site st&rile (Belle Roche, Th=150°C, Tf 2 variable avec un mode ~ -8°C):...calcites sampled in a Pb-Zn mineralized vein in East Belgium are characterized by a large dispersion of filling...Poppelsberg) and calcites from sterile area (Belle Roche, Th=150°C, Tf 2 variable around a mode of -8°C)...Poppelsberg et Belle Roche rapport aux sulfures d~montre la stabilit& de la calcite pendant le transport...Plomb et du Zinc (Giordano and Barnes, 1981). La calcite est le seul min&ral transparent omnipresent sur |  | Nagy, Zsolt R., Somerville, Ian D., Gregg, Jay M., Becker, Stephen P., Shelton, Kevin L. (2005) Lower Carboniferous peritidal carbonates and associated evaporites adjacent to the Leinster Massif, southeast Irish Midlands. Geological Journal, 40 (2) 173-192 doi:10.1002/gj.999 | Journal (article/letter/editorial) | | Wales Platform, south of St. George’s Land, and in Belgium, south of the Brabant Massif. The presence of evaporites...age-equivalent peritidal sequences in South Wales and East Belgium; and (6) ascertain the influence of dense saline...the upper part of the formation is in Ballyadams Quarry, County Laois, but the lower part is best developed...Formation. This unit is well exposed at Clogrenan Quarry, County Carlow (Figure 1) at its type locality...and potassium ferricyanide for discriminating calcite from dolomite. Copyright # 2005 John Wiley & Sons |  | | Journal (article/letter/editorial) | | anhydrites and calcite pseudomorphs after anhydrite from Palaeozoic formations in Belgium Leon ´ Dejonghe...Brussels B-1050, Belgium b Geological SurÕey of Belgium, 13 Jenner str., Brussels B-1040, Belgium Received 7...Anhydrite and calcite pseudomorphs after anhydrite from Palaeozoic formations in Belgium have been analysed...Tournaisian Ž1 sample. and Visean Ž5 samples. calcite pseudomorphs after anhydrite have 87Srr 86 Sr values...contrast, Eifelian Ž1 sample. and Givetian Ž1 sample. calcite pseudomorphs after sulphate have higher 87 Srr |  | Madden, Robert H.C., Wilson, Moyra E.J., Mihaljević, Morana, Pandolfi, John M., Welsh, Kevin (2017) Unravelling the depositional origins and diagenetic alteration of carbonate breccias. Sedimentary Geology, 357. 33-52 doi:10.1016/j.sedgeo.2017.05.002 | Journal (article/letter/editorial) | | fabric, with some development of fractures and calcite MA cements. A degree of facies-specific controls...identified in plane-light. Drilled samples include calcite crystals of potential neomorphic and/or pore filling...bulldozing extraction techniques the limestone in the quarry is now largely exposed as 2-10 m wide blocks, with...ascertain if the original succession within the quarry had any systematic up-sequence changes in clast...eight percent intragranular porosity), and blocky calcite AC CE cements that typically infill shelter porosity |  | | Journal (issue) | | en11fique et h,storrque. tout en admirant la très belle décoration florale de la salle et le décor orrg...surcroit en novembre G. Kall,a tak,s , Lyon Je rep roche à vo tre revue de trop détailler les itinéraires...d'arriver au canal , au port de Pouilly. On a une très belle vue sur cet ensemble du canal de Bourgogne et de...Lamartiniens se fait , à partir du viaduc de la Roche, et du pont du cimetière de Sologny (Saône-et-Loire)...que le long de la petite route reliant La Roche-Basse à La Roche-Haute. Nombreux affleurements entre Moudeyres |  | | Journal (article/letter/editorial) | | marine brines. Later calcite replacement and precipitation of geode-filling calcite is recorded in both...2001; accepted 9 August 2001 KEY WORDS anhydrite; calcite, carbon, sulphur and oxygen isotopes; quartz geodes;...of several types of evaporite pseudomorphs of calcite, dolomite and silica minerals, together with geochemical...waters, such as later replacements and blocky calcite cementation, indicate a complex diagenetic history...textural features and later void filling with calcite and/or celestite minerals (Elorza and Rodrı́guez-Lázaro |  | | Book (volume) | | SITCCESSEUn DE DAUDDY ET U), RUE DES MAISON A LIÈGE, C'® SAIIN'I’S-PÈRES, liUE U) UE LA RÉGENCE...jaunâtre, formant avec cordiérite une véritable roche, qui accompagne des masses translucides de cordiérite...Farafata, au N. de Tamatave, des veinules de calcite, pyrite, quartz, associés des plaquettes de xyloLile...l’existence d’une petite quantité de galène dans la roche fraîche site est ; il faut noter que la samiré-...la normale de cristallisation la Un de la roche. C’est plus tard que s’est formée la variété en |  | | Journal (issue) | | Culturel de Chênée, rue de l'Eglise 1, 4600 Chênée (Liège). Acte constitutif publié aux Annexes du Moniteur...Emile BOKIAU, rue Montgomery 53, 4030 Grivegnée (Liège). Zélimir GABELICA, rue des Peupliers 9, 4370 Waremme-Oleye...Huy. Constantin le PAIGE, rue des XXII 29, 4000 Liège. Michel WARNIER, avenue des Fossés 13, 5200 Huy...Culturel de Chênée rue de l'Eglise 1, 4600 Chênée (Liège), les premiers vendredis du mois (sauf juillet et...ren et Monsieur Carlo Denis de l'Université de Liège, pour leur amicale et enthousiaste collaboration |  | | Journal (article/letter/editorial) | | mudstones with evidence of former evaporites (dolomite/calcite pseudomorphs after gypsum and/or void-fJlling anhydrite..."Grand Breche Viseenne" of Dinant and Namur basins (Belgium), p. 273286 in Exc. Guidebook-9th European Regional...Petrography and geochemistry of the Belle Roche breccia (lower Visean, Belgium): evidence for brecciation by |  | Quijada, I. Emma, Suarez-Gonzalez, Pablo, Benito, M. Isabel, Lugli, Stefano, Mas, Ramón (2014) From carbonate–sulphate interbeds to carbonate breccias: The role of tectonic deformation and diagenetic processes (Cameros Basin, Lower Cretaceous, N Spain) Sedimentary Geology, 312. 76-93 doi:10.1016/j.sedgeo.2014.07.006 | Journal (article/letter/editorial) | | carbonate mudstone fragments floating in a matrix of calcite and quartz crystals. The breccias are interbedded... alternating layers of carbonate mudstone and calcite and quartz pseudomorphs after gypsum, which show...sulphate groundmass was replaced by quartz and calcite, and the breccia acquired its final composition...al. / Sedimentary Geology 312 (2014) 76–93 and calcite and quartz pseudomorphs after gypsum and show a...alternating laminae of carbonate mudstone and calcite and quartz pseudomorphs after gypsum, but the lowermost |  | | Journal (article/letter/editorial) | | dolomitization. Reservoir quality was diminished by burial calcite cementation and compaction. High-quality reservoirs...measure the homogenization temperature in the coarse calcite cements at China University of Petroleum. Stable...section cut-offs using a drill. A total of 24 calcite mudstone samples were analysed using Thermo Scientific...fine intraclastic grainstone and pore filled by calcite cement, well Tg13, depth 1890.62 m. f. Dolomitized...interparticle pore space is filled with sparry calcite cements and localized micrite. 4.1.4. MF 4, Packstone |  | | Report (chapter) | | gypsum/anhydrite LSC replacing peritidal evaporites Early calcite neomorphism Fine to medium crystalline replacive...Dissolution seams/stylolites Burial calcite cements Meteoric? calcite, dedolomitization ~" Y L A T E DIAGENESIS...chalcedony; LFC, length-fast chalcedony; BCC, blocky calcite cement. GSI-89-10 (Tankardstown), 76 samples;...of Missouri Stable Isotope Laboratory. The 26 calcite samples from brachiopod and crinoid shells, and...is less than +0.08%0. Sr isotope analysis on 12 calcite and dolomite samples was performed at the University |  | | Journal (article/letter/editorial) | | alkaline-earth carbonates:. low-magnesian calcite, highmagnesian calcite, aragonite and dolomite. The mineralogy...show mineralogies that range from low-Mg calcite to high-Mg calcite"to calcian dolomite to magnesian dolomite...al. 1979). These reactions create bacteriogenic calcite zones, with a distinctively light carbon-isotope...interaction produced scapolite, albite and large calcite pods in the metasedimentary sequence (Oliver &...flow culminated in the formation of widespread calcite vein systems (with copper) and the Mary Kathleen |  | | Book | | ARCHEOLOGIE DES ROCHES \ C'est dans ce type de roche que l 'on.peut decouvrir des fossiles, c'est-a-dire...ammonites ou les nummulites, et leur presence dans la roche prouve que la mer recouvrait alors la region. Les...uf est de nature essentiellement thermique. La roche est en effet la meme de part et d'autre de cette... 11 n'est pratiquement compose que d'une seule roche, la peridotite, constituee de cristaux sombres,...nombreux mineraux, en general de couleur claire. La roche la plus typique est le granite, avec ses deux mineraux |  | de Oliveira, Saulo B., Leach, David L., Juliani, Caetano, Monteiro, Lena V.S., Johnson, Craig A. (2019) The Zn-Pb Mineralization of Florida Canyon, an Evaporite-Related Mississippi Valley-Type Deposit in the Bongará District, Northern Peru. Economic Geology, 114 (8) 1621-1647 doi:10.5382/econgeo.4690 | Journal (article/letter/editorial) | | the host rocks of the Florida Canyon deposit. Calcite pseudomorphs, probably after anhydrite or gypsum...and Warren, 1989). Random-oriented lenticular calcite laths, probably after gypsum, are the most common...structures observed in drill core. A. V_46-588.40: Calcite as evaporite pseudomorph after probable anhydrite... B. V_46-486.40: Calcite as evaporite pseudomorph after probable gypsum. C. Calcite pseudomorph after...chaotic texture. H. V_46-337.40: Lime mudstone with calcite veins and stylolites containing organic matter |  | | Book (volume) | | NitraJes, à l’étude communes dans la nature, la calcite. de taire un choix .Te me pai'ini les des...mince couche de très petits fragments de la même roche; le matin, ceux-ci étaient soulevés par des aiguilles...que le type le plus habituel des stalactites de calcite; elles sont constituées par un grand nombre d’individus...ceux-ci deviennent de moins en moins nombreux, la roche prend une densité plus grande et se transforme peu...isolés de les extraire à facile la soleil roche préalablement mouillée. Ils ont toujours les faces |  | | Journal (volume) | | professeur de Minéralogie , 5 , rue Duvivier , Liège . CHABRIÉ (Camille ), docteur ès sciences, chef...limpide, isolé ou situé sur le bord d 'une plaque de roche, il est bon de mesurer l'angle P., tout en le contrôlant...de préci sion . Dans le milieu d'une plaque de roche cristalline ou lorsque le minéral est coloré ou...intéressante étude d 'une roche grenue , de la collection Daubuisson au collège de France, roche étiquetée : dolérite...la véritable composition minéralo gique de cette roche , composition qui avait échappé à Lecoq , non seulement |  | | Report (volume) | | the resources and progressively replacing the calcite and aragonite of existing limestones, and, perhaps...(Theriault & Hutcheon 1987) or replacement by calcite (Shearman et al. 1961). It has long been appreciated...and are alkaline (pH c. 9.8). They precipitate calcite, aragonite and brucite, but not dolomite. The key...Beaumont (1837), that the mole-for-mole conversion of calcite to dolomite necessarily results in a 12% increase...TAHA, S. 1961. On the replacement of dolomite by calcite in some Mesozoic limestones from the French Jura |  | | Book (volume) | | Cumberland, de plomb métallique disséminé dans une roche quartzeuse , mélangée de galène . Les caractères...à la même époque et par la même voie que cette roche neptunienne. . La mine d'Alloue , dans le département...intime avec la blende , est disséminée dans une roche siliceuse jaspoïde qui forme plu siears veines parallèles...mine est exploitée; on rencontre même dans cette roche quelques fossiles, analogues à ceux qui caractérisent...gardait comme da carbonate de cuivre, par suite de sa belle couleur bleue . Sa forme primitive ( fig. 333 , |  | | Book | | 2MgS04.2Na2S04.5H20 Aragonite ** CaC03 Mg-calcite ** (Mg.CaJCO, Bassanite CaS0..1/2H,0 4 2 Magnesite**...Na2C03.2Na2S04 Nitratite (soda nitre) NaN03 Calcite** CaC03 Nitre (salt petre) kno3 Carnallite...burial) Rare to absent Common to pervasive Calcite cementation related to burial) Anhydrite-halite...carbonates - aragonite, dolomite, low-Mg calcite and high-Mg calcite - and evaporite salts - gypsum, anhydrite...usually composed of aragonite, high- and low-Mg-calcite, magnesite or even primary dolomite. The essential |  | | Book | | were found by the French archaeologist, Helene Roche in 1976. Later, further artefacts, mainly flakes...sites, such as the Mesolithic Site of Meer in Belgium (9,000 years old), where it was possible to identify...emitted as a sample is heated in steps. The calcite is visibly inhomogeneous in its TL, a factor...materials. As the uranium trapped in quartz or calcite breaks down, some of the emitted particles cause...of burnt It has been extended to the flint, calcite and sediments, and although most of these applications |
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Belle Roche quarry, Fraiture, Sprimont, Liège, Wallonia, Belgium