| | Journal (article/letter/editorial) | in Waulsortian buildups, Part 1; A model from Belgium A. Lees, V. Haiiet and D. Hibo Laboratoires de...Place Louis Pasteur 3, 1348 Louvain-la-Neuve, Belgium A composite cross-sectional model of a Mid-Dinantian...southeast of Dinant and the others, well correlated, are in ânon-reef facies in the Dinant and Namur synclinoria...phases possibly leading to emergence. KEY WORDS Belgium Dinantian Waulsortian limestones Carbonate buildups...model of the setting of the Waulsortian facies of Belgium and southern Britain in Upper Tournaisian times | | | Journal (article/letter/editorial) | mineralizations in Dinantian carbonate rocks of (eastern) Belgium R. Swennen and W. Viaene Afdeling Fysico-chemischegeologie...Leuven, Celestijnenlaan 200 C, B-3030 Heverlee, Belgium Abstract. The lithogeochemical distribution patterns...dolomites from the eastern part of Belgium have been studied (Dinant and Verviers synclinorium). Comparison...opposed to the more open marine conditions in the Dinant synclinorium. The influence of mineralization on... The most important Pb-Zn mineralizations in Belgium occur in the Dinantian carbonates of the Verviers | | | Journal (article/letter/editorial) | bathymetry of the Waulsortian facies is derived from Belgium. Lees et al. (1985) made a systematic study of...equivalent facies at several sections in the Dinant and Namur Synclines. They identified four assemblages...component assemblages could be recognized outside Belgium and erected four Waulsortian Phases, A to D , corresponding...preserved as sparry calcite casts of the original aragonite shell material. In some cases it was difficult...123-128. Waulsortian buildups, Part 1; A model from Belgium. GeologicalJournal, 20, 133-158. 154 K. HISTON | | | Journal (article/letter/editorial) | stabilization process, and their mineralogy (aragonite or calcite) played a certain control on it (cf...Devonianâ Carboniferous boundary in the NamurâDinant Basin, Belgium. Sediment. Geol. 216 (3), 117â124. Azmy...Biochemostratigraphy of the Upper Frasnian in the NamurâDinant Basin, Belgium: implications for a global FrasnianâFamennian...Palaeoclimatol. Palaeoecol. 61, 255â264. Brand, U., 1989a. Aragonite-calcite transformation based on Pennsylvanian...1991. Strontium isotope diagenesis of biogenic aragonite and low-Mg calcite. Geochim. Cosmochim. Acta 55 | | Coppola, Vito, Boni, Maria, Gilg, H. Albert, Balassone, Giuseppina, Dejonghe, LĂ©on (2008) The âcalamineâ nonsulfide ZnâPb deposits of Belgium: Petrographical, mineralogical and geochemical characterization. Ore Geology Reviews, 33 (2) 187-210 doi:10.1016/j.oregeorev.2006.03.005 | Journal (article/letter/editorial) | The âcalamineâ nonsulfide ZnâPb deposits of Belgium: Petrographical, mineralogical and geochemical...Germany c Geological Survey of Belgium, 13 Rue Jenner, B-1000 Brussels, Belgium d Geologisch-PalĂ€ontologisches...4 to â 14.7â°. The metallic deposits of Eastern Belgium have undergone a polyphase history, which started...2007 Elsevier B.V. All rights reserved. Keywords: Belgium; Zinc; Nonsulfide; Calamine; Mineralogy; Geochemistry;...Zn ore began in many parts of Europe, including Belgium, during the Roman period and continued through | | | Journal (issue) | 274 Upper Devonian goniatite environments in Belgium. By Sarah S. Gatley..............................Sciences. UPPER DEVONIAN GONIATITE ENVIRONMENTS IN BELGIUM by Sarah S. Gatley Department of Geology, The University...and Upper Frasnian sediments of the Dinant Basin of southern Belgium, three main environmental facies can...goniatitebearing sediments of the Dinant Basin of southern Belgium. A number of sections have been examined...Upper Devonian sequences were laid down in the Dinant Basin, which formed part of the Hercynian (Variscan) | | | Book | Devonian Calcareous Algae from the Dinant and Namur BaÂŹ sins, Belgium. H.H. Tsien and E. Dricot. With 2...Significance of Stromatolites Cl. MONTY, Liege, Belgium 2.1 Pre-Walcott Times 2.1.1 Generalities The German...of some middle Devonian Mud mounds of Southern Belgium, which I have found loaded with algal filaments...Les spongiostromides du Viseen de la Province de Namur. Mus. Hist. Natur. de Belgique, mem. 3 (4), 1â55...The middle and upper Devonian reef complexes of Belgium. Petrol Geol Taiwan 8, 1 19-173 (1971). Twenhofel | | | Book | Devonian Calcareous Algae from the Dinant and Namur Basins, Belgium. H.H. Tsien and E. Dricot. With 2...Significance of Stromatolites Cl. MONTY , Liege , Belgium 2 .1 Pre-Walcott Times 2 .1.1 Generalities The...of some middle Devonian Mud mounds of Southern Belgium, which I have found loaded with algal filaments...Les spongiostrornides du Yiseen de la Province de Namur. Mus. Hist. Natur. de Belgique, mem. 3 (4), 1- 55...thick layer of gypsum, alte rnating with thin aragonite crusts. In summer, during holomixis, thin layers | | | Report (chapter) | strata and by Dreesen (1982) in the Famennian of Belgium. These observations indicate that winnowing is...indicating an early diagenetic replacement of aragonite as postulated by Ailing (1947) and considered...(Falb-Fa2a) in the Vesdre and Dinant synclinoria (Upper Devonian, Belgium). A nnales de Societd geologique | | Baker, Andy, Genty, Dominique, Dreybrodt, Wolfgang, Barnes, William L., Mockler, Natalie J., Grapes, Jim (1998) Testing Theoretically Predicted Stalagmite Growth Rate with Recent Annually Laminated Samples: Implications for Past Stalagmite Deposition. Geochimica et Cosmochimica Acta, 62 (3) 393-404 doi:10.1016/s0016-7037(97)00343-8 | Journal (article/letter/editorial) | artificial cave sites in England, France, and Belgium were chosen for their wide range of variability...laminated. 3.1.3. Godarville Tunnel, Godarville, Belgium This sample site is an abandoned tunnel built in...Under visible light, for samples from France and Belgium, visible laminae were observed using digital image...in UK, Sophie Verheyden for field assistance in Belgium. Access to BFM was made possible by The Wildlife...Carbon dioxide in cave atmospheres. New results in Belgium and comparison with other countries. Earth Surf | | Azmy, Karem, Lavoie, Denis, Wang, Zhengrong, Brand, Uwe, Al-Aasm, Ihsan, Jackson, Simon, Girard, Isabelle (2013) Magnesium-isotope and REE compositions of Lower Ordovician carbonates from eastern Laurentia: Implications for the origin of dolomites and limestones. Chemical Geology, 356. 64-75 doi:10.1016/j.chemgeo.2013.07.015 | Journal (article/letter/editorial) | with â3.22â° but different from that of coral aragonite with â1.78â° Table 1 Summary statistics of Mg-...echinoids for HMC (high-Mg calcite), corals for ARAG (aragonite), and the modern algae, coralline algae and sponges...high-Mg calcite), algaeâsponges (HMC), corals (A â aragonite), and C1 lime mudstone of the St. George Group...FrasnianâFamenian pre-event: a record from the Dinant Basin, Belgium. Palaeogeography, Palaeoclimatology, Palaeoecology...calibration of Mg isotope fractionation between aragonite and seawater. Geochimica et Cosmochimica Acta | | Verheyden, Sophie, Keppens, Eddy, Fairchild, Ian J., McDermott, Frank, Weis, Dominique (2000) Mg, Sr and Sr isotope geochemistry of a Belgian Holocene speleothem: implications for paleoclimate reconstructions. Chemical Geology, 169 (1) 131-144 doi:10.1016/s0009-2541(00)00299-0 | Journal (article/letter/editorial) | UniĂersiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium b School of Earth Sciences and Geography, Keele...Bruxelles, AĂ. F.D. RooseĂelt, 50, ÂŽ B-1050 Brussels, Belgium Received 20 April 1999; accepted 19 April 2000...of the Fund for Scientific Research, Flanders, Belgium ĆœFWO.. 2 Research Director of the National Fund...stable isotope studies on speleothems from Ireland, Belgium, France and Italy ĆœMcDermott et al., 1999.. S...time. Poor speleothem deposition is observed in Belgium after ca. 2000 a BP ĆœGewelt, 1986., corresponding | | | Book (chapter) | et al. (2009b) Nacre and false nacre (foliated aragonite) in extant monoplacophorans (=Tryblidiia: Mollusca)...skeletons: biochemical control over crystallization of aragonite ïŹbres and assessment of early diagenesis. In Biogeochemical...Albeck S., Weiner S. et al. (1996) Control of aragonite or calcite polymorphism by mollusk shell macromolecules...Element partitioning during precipitation of aragonite from seawater: a framework for understanding paleoproxies...Calcium isotope fractionation in calcite and aragonite. Geochim. Cosmochim. Acta 69(18): 4485â4494. Gustomesov | | | Report (chapter) | broken off. In the Frasnian of the Campine Basin (Belgium), the frequency of the ârobustâ hystricospores...Famennian miospore assemblages from the Ourthe valley (Belgium) and the Paffrath Syncline (Germany). In the Ourthe...Famennian acritarch assemblages from the Dinant Basin, Belgium (e.g. Martin 1984) and the Paffrath Syncline...assemblages from the Hony and Sinsin sections (Belgium; summarized by Streel et al. 2000) are distinguished...which are mineralized with relatively unstable aragonite have a very low fossilization potential (Colbath | | Garbelli, Claudio, Angiolini, Lucia, Brand, Uwe, Shen, Shu-zhong, Jadoul, Flavio, Posenato, Renato, Azmy, Karem, Cao, Chang-qun (2016) Neotethys seawater chemistry and temperature at the dawn of the end Permian mass extinction. Gondwana Research, 35. 272-285 doi:10.1016/j.gr.2015.05.012 | Journal (article/letter/editorial) | Stanley, 2006), the preferred carbonate phase was aragonite, which is a more effective sink for seawater Sr...been low during the Permian, when Sr-enriched aragonite was the preferred precipitate (Steuber and Veizer...Biochemostratigraphy of the Upper Frasnian in the Namur-Dinant Basin, Belgium: implications for a global Frasnian-Famennian | | | Report (issue) | reece ae Progressive Diagenetic Sequence of Aragonite Structures: Pleistocene Coral Reefs and their...Characteristically mollusks are com- posed of aragonite. Sedentary forms also secret e calcite and some...mineral composition of skeletons (calcite vs. aragonite) is probably true and not a diagenetic phenomenon...no. 3-4, pp. 345-360, War- saw. Calcite and aragonite secretion in the Madreporaria: its concepts and...the diagenmagesis of the metastable carbonates aragonite and as it ates) carbon l skeleta in ally nesium | | | Journal (article/letter/editorial) | transformation paths from Mg-calcite to calcite and from aragonite to calcite (Tab. 2, Fig. 1; Tab. 8, Figs. 8, 4;...ppm Mn, with the equipments used in this study. Aragonite is not yet investigated systematically. Zonal...transformation de Mg-calcite, respectivement aragonite en calcite et pour la formation de ph6nom6nes...Biogenskelette Nach SOMMER (1972) lumineszieren Aragonite aus dem SiiBwassermilieu gelbgriin, w~ihrend unter...unter marinem EinfluB gebildete Aragonite keine KL aufweisen. Dabei sollen Mn als Aktivator und Sr als | | | Report (issue) | Stromatactis from the Devonian of the Dinant Basin in Belgium (including samples from the quarries around...fibrous normal calcite mosaic and, possibly, when aragonite is transformed into calcite in situ in closed...This might suggest that the transformation of aragonite to calcite was later than the formation of intragranular...original composition of the skeleton was probably aragonite because the "spiculae" are now a relatively coarse...and then the wall is difficult to recognize. Aragonite as a skeletal mineral is, to the best of our knowledge | | | Journal (article/letter/editorial) | multiple factors including detrital minerals, aragonite-to-calcite ratio in the original carbonate, and...Devonian-Carboniferous carbonates of the Namur-Dinant Syncline, Belgium, and the Moravian Karst, Czechia (Kumpan...case study from carbonate-dominated settings of Belgium, the Czech Republic, and northern France. Sediment | | | Book | Trade Marks Shells to bits, Bits to dust, Aragonite to calcite, The microscopeâs a must. Pisceey ...does one find much of either high-Mg calcite or aragonite (CHAVE, 1954). If the mineral dolomite predominates...of discrete acicular (needlelike) crystals of aragonite or calcite up to 4 microns in length and of finely...supersaturated with respect to either calcite or aragonite, how much is of direct biologic origin, and how...neomorphism to include such processes as inversion (aragoniteâcalcite), recrystallization (calciteâcalcite) | | Zandkarimi, Keyvan, Vachard, Daniel, Najafian, Bahram, Mosaddegh, Hossein, EhteshamiâMoinabadi, Mohsen (2019) Mississippian lithofacies and foraminiferal biozonation of the Alborz Mountains, Iran: Implications for regional geology. Geological Journal, 54 (3) 1480-1504 doi:10.1002/gj.3242 | Journal (article/letter/editorial) | compared with those of the stratotypic area in Belgium (Conil & Lys, 1964; Conil, Groessens, Laloux, Poty...1 Tournaisian | The biozonation in the Namur and Dinant basins has principally been defined by using...species is an auxiliary for recognizing the MFZ6. In Belgium, the MFZ6 is named as the Tetrataxis Zone due to...this zone (Zandkarimi, Middle Moliniacian of Belgium. ZANDKARIMI ET AL. 17 FIGURE 14 VisĂ©an foraminifers...VisĂ©an, actually spanning the from the MFZ12 of Belgium (Conil et al., 1991) and South China Upper Middle | | | Book (chapter) | they are included within surrounding calcareous (aragonite) ïŹbers (Figs. 7.1bâd). Since the living tissues...dissolution of siliceous spicules in the ïŹbrous aragonite skeleton of a calcifying demosponge and diagenetic...Ceratoporella, inserted in its ïŹbrous skeleton (aragonite); (e) Closer view of a spicule-shaped void space;...(1936), reporting on it from Northern France and Belgium, have pointed out the frequent presence of peridinian...subsection 7.3.2). For a similar reason, the aragonite of coral skeletons is more sensitive to microboring | | Somerville, Ian D., Pickard, Neil A. H., Strogen, Peter, Jones, Garethli (1992) Early to mid-VisĂ©an shallow water platform buildups, north Co. Dublin, Ireland. Geological Journal, 27 (2) 151-172 doi:10.1002/gj.3350270205 | Journal (article/letter/editorial) | 1988, p. 147) and from the top of some of the Belgium buildups (A. Lees, personal communication 1991)...been recorded in platform sediments at Bomel, Belgium (Lauwers, in press). These cryptalgal fabrics encrust...Davies, G. R. 1977. Former magnesian calcite and aragonite submarine cements in Upper Paleozoic reefs of...Hance, L. 1988. Le Moliniacian du Synclinoriuni de Dinant (Belgique) de la region dinantaisc a la vallCe...lithostratigraphic subdivisions of the Dinantian in Belgium, a review. Annales de la Societi Giologique de | | | Journal (article/letter/editorial) | Najd Fault Sy stem and Ad Dawadmi area, 84 385 Aragonite compensation dep th, 86 518 - limestone bowl -like...Charlbury, Oxfordshire, 85 193 Charleville Syncline, Belgium, 84 184 Cha rmouth, Dorset, 84 121 Cha rnian-No...147,159,473,507,86101,555, 8714,27,365,88131 - Dinant syncline, 84191 - Limestone, Brixham, Devon, 90...- niobe, 86 479 - - Subzone, 88 21,76 Dinant Syncline, Belgium, 84 188 Dinantian, 85 185 Dinematiehythys... prim ary and secondary, 86288 Field Meeting, Belgium, Ardenn es , 84181 - - Bristol and Bath . 82 267 | | | Book | describe in great detail the precipitation of aragonite in recent Rivularia microstromatolites. They show.... . . . . . . . . .. 197 Biogenically Formed Aragonite Concretions in Marine Rivularia S. GOLUBIC and...Golubic S, Campbell E (1980) Biogenically formed aragonite concretions in marine Rivularia. (This volume)...mammillary masses of fIbrous calcite (probable aragonite precursors) occur within primary sheltered cavities...that the crystals were neomorphic after acicular aragonite. Although this inference is probably correct, |
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