Estibalitz Ukar
Estibalitz Ukar
Research Scientist, Jackson School of Geosciences, The University of Texas at Austin
Verified email at
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Tectonic significance of low-temperature blueschist blocks in the Franciscan mélange at San Simeon, California
E Ukar
Tectonophysics 568, 154-169, 2012
Syn-and postkinematic cement textures in fractured carbonate rocks: Insights from advanced cathodoluminescence imaging
E Ukar, SE Laubach
Tectonophysics 690, 190-205, 2016
New type of kinematic indicator in bed-parallel veins, Late Jurassic–Early Cretaceous Vaca Muerta Formation, Argentina: EW shortening during Late Cretaceous vein opening
E Ukar, RG Lopez, JFW Gale, SE Laubach, R Manceda
Journal of Structural Geology 104, 31-47, 2017
Low-temperature blueschist-facies mafic blocks in the Franciscan mélange, San Simeon, California: Field relations, petrology, and counterclockwise P-T paths
E Ukar, M Cloos
Bulletin 126 (5-6), 831-856, 2014
First 40Ar-39Ar Ages from Low-T Mafic Blueschist Blocks in a Franciscan Mélange near San Simeon: Implications for Initiation of Subduction
E Ukar, M Cloos, P Vasconcelos
The Journal of Geology 120 (5), 543-556, 2012
Outcrops as guides to subsurface natural fractures: Example from the Nikanassin Formation tight-gas sandstone, Grande Cache, Alberta foothills, Canada
E Ukar, SE Laubach, JN Hooker
Marine and Petroleum Geology 103, 255-275, 2019
Structural diagenesis of carbonate fault rocks exhumed from shallow crustal depths: An example from the central-southern Apennines, Italy
F Ferraro, F Agosta, E Ukar, DS Grieco, F Cavalcante, C Belviso, ...
Journal of Structural Geology 122, 58-80, 2019
Microfractures in bed-parallel veins (beef) as predictors of vertical macrofractures in shale: Vaca Muerta Formation, Agrio Fold-and-Thrust Belt, Argentina
E Ukar, RG Lopez, SE Laubach, JFW Gale, R Manceda, R Marrett
Journal of South American Earth Sciences 79, 152-169, 2017
Fracture, dissolution, and cementation events in ordovician carbonate reservoirs, Tarim Basin, NW China
V Baqués, E Ukar, SE Laubach, SR Forstner, A Fall
Geofluids 2020, 2020
Origin and timing of Dauphiné twins in quartz cement in fractured sandstones from diagenetic environments: Insight from fluid inclusions
A Fall, E Ukar, SE Laubach
Tectonophysics 687, 195-209, 2016
Actinolitic rinds on low-T mafic blueschist blocks in the Franciscan shale-matrix mélange near San Simeon: Implications for metasomatism and tectonic history
E Ukar, M Cloos
Earth and Planetary Science Letters 377, 155-168, 2013
The nature and origins of decametre-scale porosity in Ordovician carbonate rocks, Halahatang oilfield, Tarim Basin, China
E Ukar, V Baqués, SE Laubach, R Marrett
Journal of the Geological Society 177 (5), 1074-1091, 2020
Natural fractures: From core and outcrop observations to subsurface models
E Ukar, JFW Gale, A Fall, RG López, D Hryb, R Manceda, I Brisson, ...
AAPG Special Volumes, 2020
Wide-blocky veins explained by dependency of crystal growth rate on fracture surface type: Insights from phase-field modeling
L Spruženiece, M Späth, JL Urai, E Ukar, M Selzer, B Nestler
Geology 49 (6), 641-646, 2021
Fracture abundance and strain in folded Cardium Formation, Red Deer River anticline, Alberta Foothills, Canada
E Ukar, C Ozkul, P Eichhubl
Marine and Petroleum Geology 76, 210-230, 2016
Formation of wide-blocky calcite veins by extreme growth competition
L Spruženiece, M Späth, JL Urai, E Ukar, M Selzer, B Nestler, A Schwedt
Journal of the Geological Society 178 (2), 2021
Magmatic origin of low-T mafic blueschist and greenstone blocks from the Franciscan mélange, San Simeon, California
E Ukar, M Cloos
Lithos 230, 17-29, 2015
Cataclastic deformation and metasomatism in the subduction zone of mafic blocks-in-mélange, San Simeon, California
E Ukar, M Cloos
Lithos 346, 105116, 2019
Gaps in DFN models and how to fill them
J Gale, E Ukar, S Laubach
2nd International Discrete Fracture Network Engineering Conference, 2018
Quartz c-axis orientation patterns in fracture cement as a measure of fracture opening rate and a validation tool for fracture pattern models
E Ukar, SE Laubach, R Marrett
Geosphere 12 (2), 400-438, 2016
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