References of "Marion, Jean-Marc"
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See detailRedéfinition des unités structurales du front varisque utilisées dans le cadre de la nouvelle Carte géologique de Wallonie (Belgique)
Belanger, Isabelle; Delaby, Serge; Delcambre, Bernard et al

in Geologica Belgica (2012), 15(3), 169-175

The new geological map of Wallonia permits to obtain a more global view of the tectonic organization of the Palaeozoic terrains around the Variscan Front in southern Belgium. This zone oriented WSW-ENE ... [more ▼]

The new geological map of Wallonia permits to obtain a more global view of the tectonic organization of the Palaeozoic terrains around the Variscan Front in southern Belgium. This zone oriented WSW-ENE and passing south of an axis Charleroi-Namur, was firstly highlighted by the coal mining works, but has been significantly documented notably through deep boreholes and seismic profiles. A coherent structural sketch of the Variscan Front is proposed for its entire longitudinal course, where the following structural units are distinguished, from north to south: the Brabant Massif and the base of the cover unaffected by the Variscan orogeny, the Brabant Parautochthon, the Haine-Sambre-Meuse Overturned Thrust sheets (HSM-OTS) and the Ardenne Allochthon. Undeformed terrains during Variscan event constitute the northern border of the Variscan Front. The Brabant Parautochthon includes Devono-Carboniferous terrains, which are folded and faulted. The HSM-OTS are formed by the superposition of several sheets (e.g. La Tombe sheet), which are supported by various thrust faults (e.g. Masse fault). The Ardenne Allochthon, which has been displaced during the Variscan orogeny, rests on the Brabant Parautochthon and the HSM-OTS through a faulted zone, which is locally known as the Midi Fault. [less ▲]

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See detailApplications of the new geological map of Wallonia
Marion, Jean-Marc ULg; Mottequin, Bernard ULg

Conference (2011, October 14)

The new geological cartography campaign of the Walloon Region, which has begun in 1990, is mainly based on recent field data. Each map is published on 1:25,000 scale and is accompanied by a explanatory ... [more ▼]

The new geological cartography campaign of the Walloon Region, which has begun in 1990, is mainly based on recent field data. Each map is published on 1:25,000 scale and is accompanied by a explanatory booklet where lithostratigraphy, tectonics, hydrogeology and mineral resources are described. These maps are very useful in every human activity involving the knowledge of the underground such as mining, management of dumpsites, civil engineering, etc. [less ▲]

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See detailLes géosites d'Ampsin et d'Engis (Belgique) : deux exemples de reconversion de carrières désaffectées
Barchy, Laurent; Chevalier, Emmanuel; Marion, Jean-Marc ULg et al

in Blieck, A.; Auguste, P.; Derycke, C. (Eds.) Programme et résumés (2011, October)

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See detailLa nouvelle carte géologique de Wallonie et ses applications
Belanger, Isabelle; Blockmans, Sabine; Delaby, Serge et al

in Blieck, A.; Auguste, P.; Derycke, C. (Eds.) Programme et résumés (2011, October)

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See detailContexte géologique et structural de la région de Rochefort (Synclinorium de Dinant, Belgique)
Marion, Jean-Marc ULg; Mottequin, Bernard ULg; Barchy, Laurent et al

in Geological Survey of Belgium, Profesional Paper (2011), 2011/2(309), 27-38

Realised in the framework of the program “Revision of geological maps of Wallonia” the new geological maps “Rochefort - Nassogne” and “Houyet - Han sur Lesse” have formed the basis for this note. They ... [more ▼]

Realised in the framework of the program “Revision of geological maps of Wallonia” the new geological maps “Rochefort - Nassogne” and “Houyet - Han sur Lesse” have formed the basis for this note. They represent a synthesis and the update of geological knowledge gained since the previous edition (1900), both in terms of lithostratigraphy and tectonics. The identification, exploration and mapping of various rock units in this part of the Dinant Syncline have led several generations of geologists to identify the structural grain of the region. The main tectonic elements encountered on this map are: longitudinal structures of predominantly SSW-NNE direction that include folds of different style and order, normal and reverse faults with occasional lateral slip component, and many smaller fractures as the sets of conjugate faults. Sets of transversal (cutting) faults were also recognized. Folds, located on the fringe of the Ardenne generally expose north-verging “plis-en-chaise” style, with axial plane schistosity. [less ▲]

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See detailLe système karstique de la Lomme, région de Rochefort, cadre général
Willems, Luc ULg; Ek, Camille; Marion, Jean-Marc ULg

in Professional Paper (2011), 2011/2(309), 3-10

“La Calestienne” is the strip of Devonian limestones which separates the Ardennes from the Famenne and Condroz regions. It contains the most important karstic phenomena in Belgium. The karst system ... [more ▼]

“La Calestienne” is the strip of Devonian limestones which separates the Ardennes from the Famenne and Condroz regions. It contains the most important karstic phenomena in Belgium. The karst system developed over 10 kilometers along the river Lomme (Lhomme) and its main tributary, the Wamme, in the region of Rochefort, illustrates the main characteristics of the Calestienne. The Calestienne around Rochefort is bordered to the northwest by the wide depression of the Famenne shales, the altitude of which oscillates between 150 and 200 meters. In the southeast of this limestone strip, the Ardenne, a region composed of more resistant rocks, rises to altitudes often greater than 400 m. In the landscape, the Calestienne forms a real step at an intermediate altitude. To the Northeast of Rochefort, the limestone strip widens out considerably due to the Gerny anticline. [less ▲]

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See detailLes formations de la base du Dévonien inférieur et le socle calédonien dans les vallées de l'Amblève et du Ninglinspo (contexte lithologique et structural)
Mottequin, Bernard ULg; Marion, Jean-Marc ULg

Diverse speeche and writing (2011)

Excursion organisée dans le cadre de la campagne de révision de la Carte géologique de Wallonie et dédiée aux formations cambriennes de La Gleize et de La Venne ainsi qu’aux formations de Marteau ... [more ▼]

Excursion organisée dans le cadre de la campagne de révision de la Carte géologique de Wallonie et dédiée aux formations cambriennes de La Gleize et de La Venne ainsi qu’aux formations de Marteau (Poudingue de Quarreux), de Nonceveux et de Solières (Dévonien inférieur, Lochkovien-Praguien) qui sont bien exposées dans la région de Nonceveux (feuille Louveigné-Spa [49/3-4]). [less ▲]

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See detailColloque "20 ans de la carte géologique de Wallonie: La carte et vous": Rapport de l'atelier 2 (sessions 3 et 4): Carrières et Eaux souterraines
Marion, Jean-Marc ULg

Speech (2010)

This workshop was led by 5 speakers: In session 3: "Quarries", MM. Chevalier (Carmeuse) and Burnotte (Lhoist) illustrated the value of the new geological map as essential tool for the extractive industry ... [more ▼]

This workshop was led by 5 speakers: In session 3: "Quarries", MM. Chevalier (Carmeuse) and Burnotte (Lhoist) illustrated the value of the new geological map as essential tool for the extractive industry. The following presentation by Ms. Vergari (Gralex), which showed the relationships between all the parameters of geologic deposits and and their hydrology, made the link with session 4: "Groundwaters". This one was documented by the presentations of MM. Masset (Wallonia Public Service/Dept. of Groundwaters) and Closset (Aquawal) that focused to water productions (pumping in quarries and for public distribution)and means used (or to used) for their recovery. [less ▲]

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See detailLe Crétacé entre Geer et Meuse
Marion, Jean-Marc ULg; Mottequin, Bernard ULg

Diverse speeche and writing (2010)

Excursion organisée dans le cadre de la campagne de révision de la Carte géologique de Wallonie et dédiée aux formations crétacées de Vaals, Gulpen et Maastricht (Campanien à Maastrichtien) qui sont bien ... [more ▼]

Excursion organisée dans le cadre de la campagne de révision de la Carte géologique de Wallonie et dédiée aux formations crétacées de Vaals, Gulpen et Maastricht (Campanien à Maastrichtien) qui sont bien exposées sur le territoire de la feuille Tongres-Herderen (34/5-6). [less ▲]

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See detailAperçu du Paléozoïque de la région de Huy-Nandrin
Marion, Jean-Marc ULg; Mottequin, Bernard ULg

Diverse speeche and writing (2009)

Excursion organisée dans le cadre de la campagne de révision de la Carte géologique de Wallonie et dédiée aux formations paléozoïques reconnues sur la carte géologique de Huy-Nandrin (48/3-4).

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See detailMaffe - Grandhan : notice explicative de la carte géologique de la Wallonie
Barchy, Laurent ULg; Marion, Jean-Marc ULg

Book published by Ministère de la région wallonne, DGRNE (2008)

New geological map of Wallonia published at the scale of 1/25.000, based on a new field work and using previous scientific data produced since the previous edition of Lohest and Mourlon, published in 1900 ... [more ▼]

New geological map of Wallonia published at the scale of 1/25.000, based on a new field work and using previous scientific data produced since the previous edition of Lohest and Mourlon, published in 1900 at the scale of 1/40.000 by the "Commission Géologique de Belgique". [less ▲]

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See detailCarte géologique de Wallonie échelle 1/25.000, Maffe - Grandhan 54/3-4
Barchy, Laurent ULg; Marion, Jean-Marc ULg

Cartographic material (2008)

New geological map of Wallonia published at the scale of 1/25.000, based on a new field work and using previous scientific data produced since the previous edition of Lohest and Mourlon, published in 1900 ... [more ▼]

New geological map of Wallonia published at the scale of 1/25.000, based on a new field work and using previous scientific data produced since the previous edition of Lohest and Mourlon, published in 1900 at the scale of 1/40.000 by the "Commission Géologique de Belgique". [less ▲]

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See detailItinéraire géologique et paleontologique dans la carrière d'Ampsin (Amay, Belgique)
Barchy, Laurent; Marion, Jean-Marc ULg; Poty, Edouard ULg

Diverse speeche and writing (2008)

Close to the museum "Master of the Fire" at Ampsin (Amay, Belgium), an abandoned quarry is used to present both the local and regional geologic history, and the fauna and flora related to the site. For ... [more ▼]

Close to the museum "Master of the Fire" at Ampsin (Amay, Belgium), an abandoned quarry is used to present both the local and regional geologic history, and the fauna and flora related to the site. For all. [less ▲]

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See detailEtude géologique de la carrière de Cielle (Rendeux, Dévonien inférieur)
Poty, Edouard ULg; Mottequin, Bernard ULg; Barchy, Laurent et al

Report (2006)

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See detailMise en évidence de la faille de Marenne sur la carte géologique Aye - Marche-en-Famenne
Barchy, Laurent; Coen-Aubert, Marie; Marion, Jean-Marc ULg et al

Poster (2005)

Revision of the geological map Aye-Marche (Belgium, Wallonia) has highlighted a major tectonic fault known as "Marenne fault". Its presence would explain the increased thickness of the Givetian limestones ... [more ▼]

Revision of the geological map Aye-Marche (Belgium, Wallonia) has highlighted a major tectonic fault known as "Marenne fault". Its presence would explain the increased thickness of the Givetian limestones up to the valley of Ourthe river. [less ▲]

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See detailMise en évidence de la faille de Marenne sur la carte géologique Aye - Marche-en-Famenne
Coen-Aubert, Marie; Barchy, Laurent ULg; Marion, Jean-Marc ULg et al

in Bulletin de l'Institut royal des Sciences naturelles de Belgique, Sciences de la Terre (2004), 74(supplement), 59-7118

The revision of the geological map Aye - Marche-en-Famenne (Belgium, Wallonia, Hotton) has emphasized an important deformation structure named the Marenne Fault. This fault is clearly visible at the ... [more ▼]

The revision of the geological map Aye - Marche-en-Famenne (Belgium, Wallonia, Hotton) has emphasized an important deformation structure named the Marenne Fault. This fault is clearly visible at the southeastern face of the Marenne quarry. The dating by rugose corals has allowed to define with precision the Givetian lithologic units that have been put in contact by this normal faul with a later, right-lateral strike-slip component. This fault, that may be traced over a few kilometers to the East, is probably late Hercynian, of the same type and origin as the Lamsoul Fault know to the South of Marche-en-Famenne. It seems to form part of a family of faults which are regularly observed on the south side of the Dinant Synclinorium. [less ▲]

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