Karstic and alluvial aquifers: a conceptual model for the plain – Prealps system (northeastern Italy)

Pilli, A.; Sapigni, Michele; Zuppi, G.M.

doi:10.1016/j.jhydrol.2012.06.049

Cited by 11 publications

(15 citation statements)

References 33 publications

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“…Indeed, directly east of the Schio-Vicenza Fault, strata in the hanging wall of the Bassano Fault (Figure 1) are steeply dipping, strongly folded and form the forelimb of the ENE-WSW trending Monte Grappa ramp anticline (Figure 3a), whereas to the west, the Marana thrust 215 emplaces cataclastically deformed Norian Dolomia Principale on Hettangian to Pliensbachian Calcari Grigi (Figure 3b). No thrust associated with the Monte Grappa ramp anticline is exposed; the anticline is therefore interpreted as a fault-propagation fold above the blind Bassano Fault, in agreement with earlier studies (Doglioni, 1990;Roeder, 1992;Pilli et al, 2012;Pola et al, 2015). The Schio-Vicenza Fault is only observed as far north as the Adige Valley.…”

Section: Permian To Jurassic Paleogeography 145supporting

confidence: 88%

Comment on se-2021-19

Zampieri¹

2021

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Neogene indentation of the Adriatic plate into Europe led to major modifications of the Alpine orogenic structures and style of deformation in the Eastern Alps. Especially, the offset of the Periadriatic Fault by the Northern Giudicarie Fault marks the initiation of strike-slip faulting and lateral extrusion of the Eastern Alps. Questions remain on the exact role of this fault zone in changes of the Alpine orogen at depth. This necessitates quantitative analysis of the 5 shortening, kinematics and depth of decoupling underneath the Northern Giudicarie Fault and associated fold-and thrust belt in the Southern Alps. Tectonic balancing of a network of seven cross sections through the Giudicarie Belt parallel to the local shortening direction reveals that it comprises two kinematic domains with different amounts and partly overlapping ages of shortening. These two domains are delimitated by the NW-SE oriented strike-slip Trento-Cles -Schio-Vicenza fault system, cross-cutting the Southern Alpine orogenic front in the south and merging with 10 the Northern Giudicarie Fault in the north. The SW kinematic domain (Val Trompia sector) accommodated at least ~18 km of Late Oligocene to Early Miocene shortening. Since the Middle Miocene, the SW kinematic domain experienced a minimum of ~12-22 km shortening, whereas the NE kinematic domain underwent at least ~25-35 km shortening. Together, these domains contributed to an estimated ~53-75 km of sinistral strike-slip motion along the Northern Giudicarie Fault, implying that (most of) the offset of the Periadriatic Fault is due to Late Oligocene to 15 Neogene indentation of the Adriatic plate into the Eastern Alps. Moreover, the faults linking the Giudicarie Belt with the Northern Giudicarie Fault reach ~15-20 km depth, indicating a thick-skinned tectonic style of deformation. These fault detachments may also connect at depth with a lower crustal Adriatic wedge that protruded north of the Periadriatic Fault and was responsible for N-S shortening and eastward escape of deeply exhumed units in the Tauern Window. Finally, the east-west lateral variation of shortening indicates internal deformation and lateral variation in 20 strength of the Adriatic indenter, related to Permian -Mesozoic tectonic structures and paleogeographic domains. 25

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Section: Permian To Jurassic Paleogeography 145supporting

confidence: 88%

Comment on se-2021-19

Zampieri¹

2021

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“…1). Discussion has focused on whether the NGF is an exclusively Neogene fault that sinistrally offsets a formerly straight PF, or if the NGF formed a pre-Neogene bend of the PF that was reactivated under transpression during the Neogene (Castellarin and Vai, 1981;Picotti et al, 1995;Prosser, 1998Prosser, , 2000Müller et al, 2001;Viola et al, 2001;Linzer et al, 2002;Stipp et al, 2004;Pomella et al, 2011Pomella et al, , 2012. The latter hypothesis is supported by Picotti et al (1995), who estimated that the amount of strike-slip (30-40 km) along the NGF, extrapolated from the amount of Neogene shortening calculated within the southwestern part of the Giudicarie Belt, was less than the 75 km offset of the PF.…”

Section: The Eastern Southern Alpsmentioning

confidence: 99%

“…The fold-and-thrust belt of the eastern Southern Alps formed due to indentation of the Adriatic plate into the Eastern Alps (Schönborn, 1992(Schönborn, , 1999Picotti et al, 1995;Frisch et al, 1998Frisch et al, , 2000Castellarin and Cantelli, 2000;Linzer et al, 2002;Rosenberg et al, 2007;Pomella et al, 2011Pomella et al, , 2012Favaro et al, 2017). Indentation is defined as the postcollisional penetration of a relatively stiff part of an upper plate into a weaker, already existing orogenic edifice (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Based on the calculated amount of shortening, we propose a kinematic sub-division of the Giudicarie Belt (Sect. 6) and discuss the relationship between Neogene shortening along the Giudicarie Belt and Neogene motion along the NGF, a topic which has fascinated many researchers in the past (Castellarin and Vai, 1981;Picotti et al, 1995;Prosser, 1998Prosser, , 2000Müller et al, 2001;Linzer et al, 2002;Stipp et al, 2004;Pomella et al, 2011Pomella et al, , 2012.…”

Section: Introductionmentioning

confidence: 99%

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Neogene kinematics of the Giudicarie Belt and eastern Southern Alpine orogenic front (northern Italy)

et al. 2021

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Abstract. Neogene indentation of the Adriatic plate into Europe led to major modifications of the Alpine orogenic structures and style of deformation in the Eastern and Southern Alps. The Giudicarie Belt is a prime example of this, as it offsets the entire Alpine orogenic edifice; its activity has been kinematically linked to strike-slip faulting and lateral extrusion of the Eastern Alps. Remaining questions on the exact role of this fold-and-thrust belt in the structure of the Alpine orogen at depth necessitate a quantitative analysis of the shortening, kinematics, and depth of decoupling beneath the Giudicarie Belt and adjacent parts of the Southern Alps. Tectonic balancing of a network of seven cross sections through the Giudicarie Belt parallel to the local NNW–SSE shortening direction reveals that this belt comprises two kinematic domains that accommodated different amounts of shortening during overlapping times. These two domains are separated by the NW–SE-oriented strike-slip Trento-Cles–Schio-Vicenza fault system, which offsets the Southern Alpine orogenic front in the south and merges with the Northern Giudicarie Fault in the north. The SW kinematic domain (Val Trompia sector) accommodated at least ∼ 18 km of Late Oligocene to Early Miocene shortening. Since the Middle Miocene, this domain experienced at least ∼ 12–22 km shortening, whereas the NE kinematic domain accommodated at least ∼ 25–35 km shortening. Together, these domains contributed an estimated minimum of ∼ 40–47 km of sinistral strike-slip motion along the Northern Giudicarie Fault, implying that most offset of the Periadriatic Fault is due to Late Oligocene to Neogene indentation of the Adriatic plate into the Eastern Alps. Moreover, the faults linking the Giudicarie Belt with the Northern Giudicarie Fault reach ∼ 15–20 km depth, indicating a thick-skinned tectonic style of deformation. These fault detachments may also connect at depth with a lower crustal Adriatic wedge that protruded north of the Periadriatic Fault and are responsible for N–S shortening and eastward, orogen-parallel escape of deeply exhumed units in the Tauern Window. Finally, the E–W lateral variation of shortening across the Giudicarie Belt indicates internal deformation and lateral variation in strength of the Adriatic indenter related to Permian–Mesozoic tectonic structures and paleogeographic zones.

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“…Em Burazer et al (2010) e Diaz et al (2014) a litoestratigrafia e a estrutura geológica são fatores importantes que afetam a geometria do aquífero Barreiras, além de determinar as características hidrogeológicas. Dessa forma, a porosidade, a permeabilidade e o efeito das falhas (atuando como uma barreira que diminui a velocidade da água fluxo ou como conectores entre aquíferos) na transmissividade hidráulica são importantes parâmetros caracterizadores (PILLI et al, 2012).…”

Section: Sedimentosunclassified

Monitoramento da qualidade e hidrogeoquímica das águas subterrâneas do setor noroeste da região metropolitana de Fortaleza CE

et al. 2020

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As ameaças antrópicas para a qualidade da água, como a acidificação e degradação de fontes subterrâneas, têm efeitos cumulativos, aumento dos custos de tratamento para a produção de água potável e podem levar a problemas de saúde humana e perdas econômicas. Com o intuito de aprofundar os conhecimentos sobre as águas subterrâneas em áreas urbanas, no tocante a qualidade e geoquímica, foi realizado um monitoramento em dez (10) poços localizados na Região Metropolitana de Fortaleza que abrangeu diferentes condições climáticas do Estado. As análises químicas foram realizadas no Laboratório de Geoquímica Ambiental da Universidade Federal do Ceará e os procedimentos de controle da qualidade da água para consumo humano foram executados com base na Portaria de Consolidação n° 5, no Anexo XX. Modelagem geoquímica foi realizada com base no cálculo do índice de saturação (IS) das fases minerais hematita, goethita, caulinita e quartzo. No período de monitoramento, todos os resultados analíticos não ultrapassam o valor máximo permitido para consumo humano quanto aos elementos: alumínio, amônia, dureza, sulfato, fluoreto e nitrito. As águas são dominantemente do tipo cloretada-sódica, com nível de STD de águas doces e o de nitrato revela águas não contaminadas na maior porção da área, embora localmente há indícios de contaminação. O modelo geoquímico utilizando Phreeqc demonstrou que as fases apresentam condições de supersaturação em 100% nas composição óxido-hidróxido, indistintamente nos dois sistemas aquíferos. A composição aluminosa apresenta 66,67% dos IS em condições de supersaturação (precipitação) e 33,33% em condições de subsaturação (dissolução). A composição silicosa apresenta 70,96% dos IS em condições de supersaturação (precipitação) e 29,04% em condições de subsaturação (dissolução). O monitoramento possibilitou o estabelecimento de propostas de estratégias de manejo sustentável do sistema aquífero e do uso das águas subterrâneas.

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Karstic and alluvial aquifers: a conceptual model for the plain – Prealps system (northeastern Italy)

Cited by 11 publications

References 33 publications

Comment on se-2021-19

Comment on se-2021-19

Neogene kinematics of the Giudicarie Belt and eastern Southern Alpine orogenic front (northern Italy)

Monitoramento da qualidade e hidrogeoquímica das águas subterrâneas do setor noroeste da região metropolitana de Fortaleza CE

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