Geologica acta

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Geologica acta	5 registres trobats	La cerca s'ha fet en 0.00 segons.

19 p, 5.2 MB

Petrography and geochemistry of late- to post-Variscan vaugnerite series rocks and calc-alkaline lamprophyres within a cordierite-bearing monzogranite (the Sierra Bermeja Pluton, southern Iberian Massif) / Errandonea, Jon (Universidad del País Vasco. Departamento de Mineralogía y Petrología) ; Sarrionandia Eguidazu, Fernando (Universidad del País Vasco. Departamento de Geología) ; Carracedo-Sánchez, Manuel (Department of Mineralogy and Petrology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU)) ; Gil Ibarguchi, José Ignacio (Universidad del País Vasco. Departamento de Mineralogía y Petrología) ; Eguiluz Alarcón, Luis (Universidad del País Vasco. Departamento de Geología)
The Sierra Bermeja Pluton (southern Central Iberian Zone, Iberian Massif) is a late-Variscan intrusive constituted by cordierite-bearing peraluminous monzogranites. Detailed field mapping has allowed to disclose the presence of several NE-SW trending longitudinal composite bodies, formed by either aphanitic or phaneritic mesocratic rocks. [...]
2018 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2018.16.3.1
Geologica acta, Vol. 16 Núm. 3 (September 2018) , p. 237-255 (Articles)

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11 p, 2.1 MB

Chemical and stable isotope composition (18O/16O, 2H/1H) of formation waters from the Carabobo Oilfield, Venezuela / Boschetti, Tiziano (Università di Parma. Dipartamento di Scienze ambientali) ; Angulo, B. (Instituto Tecnológico Venezolano del Petróleo (INTEVEP). Departamento de Investigación Estratégica en Exploración.) ; Quintero, F. (Instituto Tecnológico Venezolano del Petróleo (INTEVEP). Departamento de Investigación Estratégica en Exploración.) ; Volcán, J. (Universidad Central de Venezuela. Instituto de Ciencias de la Tierra) ; Casalins, A. (Estudios Integrados, Petrolera Sinovensa (Barcelona, Veneçuela))
In this short note, we present the first data on stable isotope composition of the oilfield waters from Carabobo area of the Faja Petrolífera del Orinoco "Hugo Chávez" (Orinoco Oil Belt). From a chemical point of view, the formation waters show a main Na-Cl level (TDS up to 30g/l) with a dilution trend toward Na-HCO3 composition (down to 1g/l). [...]
2018 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2018.16.3.2
Geologica acta, Vol. 16 Núm. 3 (September 2018) , p. 257-264, I-III (Short note)

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40 p, 5.7 MB

Neogene-Quaternary onshore record in the lower Ebro river incised palaeovalley (Ebro margin, Catalan Coastal Range, NE Iberia) / Arasa-Tuliesa, A. (Grup EbreRecerca) ; Cabrera, Lluís (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà.)
The lower Ebro is a bedrock-alluvial mixed incised valley with a persistent degradational stacking architecture developed from latest Serravallian(?) to Holocene. This degradational pattern was probably controlled by isostatic rebound in NE Iberia and punctuated by major relative sea level changes that temporally accentuated or attenuated the palaeovalley entrenchment and sediment retention. [...]
2018 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2018.16.3.3
Geologica acta, Vol. 16 Núm. 3 (September 2018) , p. 265-292, I-XII (Articles)

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27 p, 5.1 MB

Geochemistry and petrogenesis of metabasites from the Gol-e-Gohar Complex in southern Sanandaj-Sirjan metamorphic zone, South of Iran; Evidences for crustal extension and magmatism at early Palaeozoic / Fatehi, H. (Shahid Bahonar University of Kerman (Iran). Department of Geology) ; Ahmadipour, H. (Shahid Bahonar University of Kerman (Iran). Department of Geology)
In Gol-e-Gohar metamorphic Complex from south-eastern Sanandaj-Sirjan metamorphic zone (Kerman province, Iran), there are two types of metabasites, wich contain layered metamorphosed lava flows and younger meta-gabbros. [...]
2018 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2018.16.3.4
Geologica acta, Vol. 16 Núm. 3 (September 2018) , p. 293-319 (Articles)

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23 p, 7.6 MB

Integrated approach for zonation of a mid-Cenomanian carbonate reservoir in a sequence stratigraphic framework / Jodeyri-Agaii, R. (University of Tehran. School of Geology) ; Rahimpour-Bonab, H. (University of Tehran. School of Geology) ; Tavakoli, V. (University of Tehran. School of Geology) ; Kadkhodaie-Ilkhch, R. (University of Tabriz (Iran). Department of Earth Science) ; Yousefpour, M. -R. (Iranian Offshore Oil Company)
The mid-Cenomanian Mishrif Formation (Fm. ) is considered as one of the most important rudist-bearing reservoir horizons in the Sirri Oil Fields of the Persian Gulf. Due to the general heterogeneity of carbonate reservoirs, the use of an integrated approach is helpful for investigating porosity and permeability distribution along with recognizing controlling pore system factors in the reservoir. [...]
2018 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2018.16.3.5
Geologica acta, Vol. 16 Núm. 3 (September 2018) , p. 321-337, I-VI (Articles)

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