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Dive into the research topics where Barbara Trzaskos is active.

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Featured researches published by Barbara Trzaskos.


Geological Society, London, Special Publications | 2018

A review of deformation bands in reservoir sandstones: geometries, mechanisms and distribution

Haakon Fossen; Roger Soliva; Gregory Ballas; Barbara Trzaskos; Carolina Cavalcante; Richard A. Schultz

Abstract Deformation bands are common subseismic structures in porous sandstones that vary with respect to deformation mechanisms, geometries and distribution. The amount of cataclasis involved largely determines how they impact fluid flow, and cataclasis is generally promoted by coarse grain size, good sorting, high porosity and overburden (usually >500–1000 m). Most bands involve a combination of shear and compaction, and a distinction can be made between those where shear displacement greatly exceeds compaction (compactional shear bands or CSB), where the two are of similar magnitude (shear-enhanced compaction bands or SECB), and pure compaction bands (PCB). The latter two only occur in the contractional regime, are characterized by high (70–100°) dihedral angles (SECB) or perpendicularity (PCB) to σ1 (the maximum principal stress) and are restricted to layers with very high porosity. Contraction generally tends to produce populations of well-distributed deformation bands, whereas in the extensional regime the majority of bands are clustered around faults. Deformation bands also favour highly porous parts of a reservoir, which may result in a homogenization of the overall reservoir permeability and enhance sweep during hydrocarbon production. A number of intrinsic and external variables must therefore be considered when assessing the influence of deformation bands on reservoir performance.


Sedimentary Geology | 2015

Sedimentary record of a fluctuating ice margin from the Pennsylvanian of western Gondwana: Paraná Basin, southern Brazil

Fernando Farias Vesely; Barbara Trzaskos; Felipe Kipper; Mario Luis Assine; Paulo Alves de Souza


Journal of Structural Geology | 2015

Influence of deformation bands on sandstone porosity: A case study using three-dimensional microtomography

Mérolyn Camila Naves de Lima Rodrigues; Barbara Trzaskos; Angela Pacheco Lopes


Ore Geology Reviews | 2018

The Passa Três lode gold deposit (Paraná State, Brazil): An example of structurally-controlled mineralisation formed during magmatic-hydrothermal transition and hosted within granite

Bárbara Carolina Dressel; Alain Chauvet; Barbara Trzaskos; João Carlos Biondi; Olivier Bruguier; Patrick Monié; Sandro N. Villanova; José Bazille Newton


Quaternary and Environmental Geosciences | 2017

Possibilidade de aproveitamento dos sedimentos de dragagem do porto de Paranaguá

José Augusto Simões Neto; Maria Cristina de Souza; Barbara Trzaskos; Rodolfo José Angulo; Marcell Leonard Besser


Journal of South American Earth Sciences | 2017

The role of post-collisional strike-slip tectonics in the geological evolution of the late Neoproterozoic volcano-sedimentary Guaratubinha Basin, southern Brazil

Leonardo M. Barão; Barbara Trzaskos; Fernando Farias Vesely; Luís Gustavo de Castro; Francisco José Fonseca Ferreira; Eleonora Maria Gouvêa Vasconcellos; Tiago Claudino Barbosa


Geologia USP. Série Científica | 2017

Aplicação do laser scanner na análise de estabilidade em escavações subterrâneas: Mina Tabiporã, Campo Largo, PR

Gabriela Reis Piazzetta; Barbara Trzaskos; Álvaro Muriel Lima Machado


Geociências (São Paulo) | 2016

ANÁLISE COMPARATIVA ENTRE O CÓDIGO DE MINERAÇÃO VIGENTE DESDE 1967 E O SUBSTITUTIVO AO PROJETO DE LEI Nº 37, DE 2011

Ronile Hoeflich; Barbara Trzaskos


Geociências (São Paulo) | 2012

X-Ray Microtomography as tool for microstructural and mineral phase analysis

Angela Pacheco Lopes; Alberto Pio Fiori; Josi Manoel dos Reis Neto; Clarice Marchese; Eleonora Maria Gouvêa Vasconcellos; Barbara Trzaskos; Cilia Tiemi Onishi; Cristina Valle Pinto-Coelho; Rodrigo Secchi; Gabriel Fischer da Silva


Geociências (São Paulo) | 2012

ANALISE TRIDIMENSIONAL DE ROCHAS POR MEIO DE MICROTOMOGRAFIA COMPUTADORIZADA DE RAIOS X INTEGRADA @ PETROGRAFIA

Angela Pacheco Lopes; Alberto Pio Fiori; Josi Manoel dos Reis Neto; Clarice Marchese; Eleonora Maria Gouvêa Vasconcellos; Barbara Trzaskos; Cilia Tiemi Onishi; Cristina Valle Pinto-Coelho; Rodrigo Secchi; Gabriel Fischer da Silva

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Angela Pacheco Lopes

Federal University of Paraná

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Alberto Pio Fiori

Federal University of Paraná

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Clarice Marchese

Federal University of Paraná

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Rodrigo Secchi

Federal University of Paraná

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