The Parona chaotic complex: a puzzling record of the Messinian (Late Miocene) events in Monferrato (NW Italy)

Pierre, Francesco Dela; Clari, Pierangelo; Cavagna, Simona; Bicchi, Erica

doi:10.1016/s0037-0738(02)00097-0

Cited by 28 publications

(15 citation statements)

References 41 publications

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“…1B). The basal unconformity corresponds to the Messinian erosional surface and reflects a phase of increased tectonic activity, leading to uplift and erosion of the PLG unit (Dela Pierre et al, 2002Pierre et al, , 2007Natalicchio et al, 2013a). The Messinian succession ends with fluvio-deltaic and lacustrine terrigenous sediments (Cassano Spinola Conglomerates), showing at their base another sharp erosional unconformity, cutting the Messinian erosional surface at the basin margins (Fig.…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Flocculent layers and bacterial mats in the mudstone interbeds of the Primary Lower Gypsum unit (Tertiary Piedmont basin, NW Italy): Archives of palaeoenvironmental changes during the Messinian salinity crisis

et al. 2014

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Section: Accepted M Manuscriptmentioning

confidence: 99%

Flocculent layers and bacterial mats in the mudstone interbeds of the Primary Lower Gypsum unit (Tertiary Piedmont basin, NW Italy): Archives of palaeoenvironmental changes during the Messinian salinity crisis

et al. 2014

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“…2) were progressively shifted northward below the present Savigliano and Alessandria basins, due to the combination of marginal uplift, basinward tilting and outbuilding of prograding wedges. Following the Messinian Salinity Crisis, above the L-Me surface most of the evaporites were resedimented as mass flow deposits (Dela Pierre et al 2002a;Irace et al 2005;Mosca 2006). …”

Section: Tectonic Features Of the Alps And Northern Apenninesmentioning

confidence: 99%

New data for the kinematic interpretation of the Alps–Apennines junction (Northwestern Italy)

Mosca

Polino

Rogledi

et al. 2009

Int J Earth Sci (Geol Rundsch)

105

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Alps and Apennines are juxtaposed within an approximately 100 km-wide area covered by the Upper Eocene to Miocene successions of the Tertiary Piedmont Basin. The Upper Eocene-Oligocene evolution of this area was characterized to the north and west by the propagation of the SE-verging Southalpine thrust-fold belt that can be traced from the Po Plain subsurface until the Torino HillSaluzzese area, and to the south by a high-angle, broadly E-W oriented megashear zone that led to the juxtaposition of different crustal levels and controlled the development of a mosaic of partly independent sub-basins. Since the latest Oligocene the N-verging Apenninic tectonics prevailed in the collisional system and the Tertiary Piedmont Basin evolved as a wide thrust-top basin, bounded to the north by the N-verging Monferrato arc and characterized by a tectono-sedimentary evolution recording changes of subsidence and shift of depocentres in relation to crustal structures.

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“…In the Monferrato area the Messinian deposits are characterized by different facies, composed of evaporite blocks of various dimensions embedded in a fine matrix, resulting from submarine mass wasting processes involving the primary shallow water gypsum beds (Chaotic Complex of Valle Versa) (Ghibaudo et al, 1985;Dela Pierre et al, 2002, 2007. Close to Moncalvo and Calliano (North of Asti), in contrast, the Primary Lower Gypsum beds are still in place (Vigna et al, 2010a(Vigna et al, , 2010b.…”

Section: Geological Outlinementioning

confidence: 99%

Hydrogeological flow in gypsum karst areas: some examples from northern Italy and main circulation models

Vigna¹,

D’Angeli²,

Fiorucci³

et al. 2017

IJS

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Abstract:A Messinian succession containing gypsum beds crops out in northern Italy, mainly in Piedmont and along the northern flank of the Apennine mountains in Emilia-Romagna. These gypsum bodies have been extensively quarried at the surface, in outcrops, and through underground quarries. In Emilia-Romagna these gypsum outcrops can be rather extensive, several km long and up to 1 km wide, while in Piedmont they are mostly covered by silty-marly deposits of Upper Messinian and Pliocene age and show only sparse and small outcrops. The underground quarrying of these evaporite bodies in Piedmont has allowed studying in detail their hydrogeology, and the ways in which water flows through these karst rocks. In contrast, in Emilia-Romagna the hydrogeology of these aquifers has been studied with traditional spring water monitoring and speleological methods. On the basis of the results it has been possible to define three conceptual models regarding the water circulation in these evaporites, similar to the models existing for carbonate aquifers. The models represent aquifers with decreasing vulnerability to pollution, from the more vulnerable system with dominant conduit drainage, characterizing most of the known gypsum aquifers, to those with interconnected conduit drainage and with dispersive circulation.

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The Parona chaotic complex: a puzzling record of the Messinian (Late Miocene) events in Monferrato (NW Italy)

Cited by 28 publications

References 41 publications

Flocculent layers and bacterial mats in the mudstone interbeds of the Primary Lower Gypsum unit (Tertiary Piedmont basin, NW Italy): Archives of palaeoenvironmental changes during the Messinian salinity crisis

Flocculent layers and bacterial mats in the mudstone interbeds of the Primary Lower Gypsum unit (Tertiary Piedmont basin, NW Italy): Archives of palaeoenvironmental changes during the Messinian salinity crisis

New data for the kinematic interpretation of the Alps–Apennines junction (Northwestern Italy)

Hydrogeological flow in gypsum karst areas: some examples from northern Italy and main circulation models

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