References of "Da Silva, Anne-Christine"
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See detailPreliminary study of MS-facies relationship in Bajocian-Bathonian carbonates from eastern and north-eastern Paris Basin
Dechamps, Sylvain; Boulvain, Frédéric ULg; Da Silva, Anne-Christine ULg

in Koptikova, Leona; Hladil, Jindrich; Adamovic, Jiri (Eds.) Miroslav Krs conference: time, magnetism, records, systems and solution. The 2011 Annual IGCP-580 Meeting. Abstract Volume (2011)

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See detailSedimentology and magnetic susceptibility on a continuous Lower Givetian to Lower Famennian fore-reef succession (Sauerland, Germany) : A new example which reinforce the use of MS for long-distance correlations (Germany, Belgium and Moravia).
Pas, Damien ULg; Da Silva, Anne-Christine ULg; Boulvain, Frédéric ULg et al

Poster (2011)

This study focuses on the continuous Givetian-Frasnian section of the abandoned Burgberg quarry (Messinghausen Anticline, northern margin of the Rhenish Mountains). The exposed section (102 m thick ... [more ▼]

This study focuses on the continuous Givetian-Frasnian section of the abandoned Burgberg quarry (Messinghausen Anticline, northern margin of the Rhenish Mountains). The exposed section (102 m thick) covers a well constraint stratigraphic interval starting at the base of the Givetian (Stritzke 1991;Aboussalam et al., 2003) and according to Stritzke (1991) and our new datations ending within the Lower Famennian. The Middle-Upper Devonian shelf-edge within the Rheinisches Schiefergebirge can be traced from the supposed position along the southern rim of the Dinant Syncline and the Eifel Synclines, northwards along a line connecting the southern margin of the Devonian reefal outcrops of Attendorn and Brilon (Krebs 1967, 1974). The depositional setting of the investigated section corresponds to complex slope and basinal environments where reworked material from the proximal Brilon platform (located to the north) and basin deposits coexist. Thus, this section allows to follow the evolution of the Givetian-Frasnian Brilon platform (e.g., Machel 1990; Stritze 1990, 1991) in a deeper setting. Petrographic analysis of more than 330 thin-sections leads to the identification of 7 microfacies which are integrated into a palaeoenvironmental model. Microfacies curve evolution shows two main trends. A shallowing upward trend ending within a typical proximal slope setting (dismantling of the platform) followed by a deepening upward trend which is characterized by several meter of pelagic mudstone within the upper part of the studied section. Magnetic susceptibility variations in sedimentary rocks, have commonly been interpreted as related to variations of detritic inputs through climatic or sea level changes (Crick et al., 1994). The magnetic susceptibility (MS) study of more than 330 samples from this long-time fore-reef carbonated succession is an opportunity to better constraint our sedimentological interpretations. To do so, we propose a comparison between general MS trends and some parameters such as microfacies and relative sea level fluctuations interpreted on the basis of the sedimentological study. The relatively long stratigraphic interval covered by the Burgberg section offers a good opportunity to compare our data with the time equivalent Devonian sections of the Ardennes (Belgium) and Moravian karst area (Czech Republic) (Boulvain et al., 2010). And thus to test the magnetic susceptibility tool for long-distance correlation between stratigraphically well constraint sections. [less ▲]

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See detailField trip 1: Givetian and Frasnian of Southern Belgium
Boulvain, Frédéric ULg; Coen-Aubert, Marie; Da Silva, Anne-Christine ULg et al

in Kölner Forum für Geologie und Paläontologie (2011), 20

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See detailStructural and environmental influence on the Causses dolomitized body (south-east France) and reservoir properties
Da Silva, Anne-Christine ULg; Cerepi, Adrian; Loisy, Corinne et al

in 14th Bathurst meeting, Bristol University, Abstract book (2011)

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See detailFrom shallow water to deep mound - sedimentology and stromatoporoids paleoecology from the Frasnian (Upper Devonian) of Belgium
Da Silva, Anne-Christine ULg; Kershaw, Stephen; Boulvain, Frédéric ULg

in Kölner Forum für Geologie und Paläontologie (2011), 19

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See detailLong-expected! - First record of demosponge-type spicules in a Devonian stromatoporoid (Frasnian, Belgium).
Da Silva, Anne-Christine ULg; Kershaw, Stephen; Boulvain, Frédéric ULg et al

in Kölner Forum für Geologie und Paläontologie (2011), 19

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See detailMixed Middle Jurassic sedimentation from North East of Iran: sedimentological model and carbonate production versus detrital inputs influence
Sardar Abadi, Mehrdad; Da Silva, Anne-Christine ULg; Zamanzadeh

in 14th Bathurst meeting, Bristol University, Abstract Book (2011)

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See detailApplication of magnetic susceptibility on different carbonate platforms
Da Silva, Anne-Christine ULg

Scientific conference (2010, December 13)

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See detailDetailed sedimentological study and magnetic susceptibility of and Eifelian mixed ramp-related system in the Eifel area
Pas, Damien ULg; Mabille, Cédric; Aretz, Markus et al

in Geologica Belgica (2010, December), 13(4),

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See detailMagnetic susceptibility on different sedimentary settings, example from the Devonian of Belgium
Da Silva, Anne-Christine ULg; Mabille, Cédric; Boulvain, Frédéric ULg

in Geologica Belgica (2010, December), 13(4),

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See detailMagnetic susceptibility records in recent (Cenozoic) and Ancient (Devonian – Palaeozoic) mound systems.
Foubert, Anneleen; Da Silva, Anne-Christine ULg; Boulvain, Frédéric ULg et al

in Geologica Belgica (2010, December), 13(4),

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See detailApplication of magnetic susceptibility to the Maastrichtian-Eocene phosphatic deposits of Séjla section in Gafsa-Métlaoui basin (Southern Tunisia)
Akermi, Souha; Abdallah, H.; Da Silva, Anne-Christine ULg et al

in Geologica Belgica (2010, December), 13(4),

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See detailMagnetic Susceptibility, Correlations and Paleozoic Environments
Da Silva, Anne-Christine ULg; Boulvain, Frédéric ULg

Book published by Geologica Belgica (2010)

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See detailMagnetic susceptibility correlation of km-thick Eifelian-Frasnian sections (Belgium-Czech Republic)
Boulvain, Frédéric ULg; Da Silva, Anne-Christine ULg; Mabille, Cedric et al

in Geologica Belgica (2010, December), 13(4), 5-7

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See detailGeophysical records in recent (Cenozoic) and ancient (Devonian – Palaeozoic) carbonate mound systems.
Foubert, Aneleen; Da Silva, Anne-Christine ULg; De MolB, Ben et al

in Book of Abstracts - 18th ISC Congress (2010, October 28)

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See detailPalaeoenvironmental study and small scale correlations using facies analysis and magnetic susceptibility of the Mid-Emsian (Himmelbaach quarry, Luxembourg).
Michel, Jonathan ULg; Boulvain, Frédéric ULg; Philippo, Simon et al

in Geologica Belgica (2010), 13(4), 447-458

The Himmelbaach quarry is located in the Wiltz Synclinorium in Luxembourg. The rocks outcropping in this quarry correspond to the mid-Emsian Clervaux Shales Formation. Three different facies have been ... [more ▼]

The Himmelbaach quarry is located in the Wiltz Synclinorium in Luxembourg. The rocks outcropping in this quarry correspond to the mid-Emsian Clervaux Shales Formation. Three different facies have been identified in the quarry. An argillaceous sandstone facies with oblique stratifications, cross-stratifications, herring-bones and erosive bases represent the first facies; the second facies is characterized by lenticular- (with connected lenses) to wavy-bedded sandy argillites, argillaceous sandstones and quartz arenites. The last facies corresponds to a quartz arenite with oblique stratification, planar laminations and mud drapes. The base of this facies shows flaser bedding and sigmoidally curved bed surfaces. The palaeoenvironmental study of this area is rather difficult because of the structural deformation and lateral variation of the facies. Due to this deformation, six partial sections (4a to 4f) were sampled here. In order to reconstruct a reliable vertical and lateral succession of the depositional setting, facies analysis and magnetic susceptibility were used. Magnetic susceptibility (MS) is generally applied as a tool for correlation in a deepwater carbonated environment. In this paper we used the MS technique successfully in a siliciclastic proximal setting. Analysis of MS curves as well as the recognition of three marker beds ((1) the last bed of argillaceous sandstones in Facies 1; (2) a thin horizon of carbonated sandstone within Facies 2; (3) the first appearance of the characteristics massive quartzitic beds in Facies 3) allowed the correlation of sections 4a, 4b and 4c. These correlations helped us to reconstruct a vertical and lateral succession of facies, which ultimately led to the recognition of a tide-dominated marginal-marine depositional model composed respectively of tidal channels (Facies 1), a tidal flat (Facies 2) and a tidal sand ridge (Facies 3). This example also shows the usefulness of magnetic susceptibility for small scale correlation, even in a proximal environment such as a marginal-marine setting. [less ▲]

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