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Agrio River

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Drilling method used to study the alluvial deposits of the <span class="search-highlight">Agrio</span> <span class="search-highlight">River</span>: Lef...
Published: 01 May 2004
Fig. 4 Drilling method used to study the alluvial deposits of the Agrio River: Left: Tripod and hanging steel bailer. Right-above: detail of the valve in the lower end of the bailer that facilitates retention of cuttings within the cylinder. Right-below: bailer emptying. Deposited material
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Understanding of the hydrogeology of the <span class="search-highlight">Agrio</span> <span class="search-highlight">River</span> aquifer before the bar...
Published: 01 May 2004
Fig. 7 Understanding of the hydrogeology of the Agrio River aquifer before the barrier construction ( Bernet 1999 ).Contours represent hydraulic head. The dotted line indicates the location of the lower layer below the upper layer. The dashed line is the line of the modern river.
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Vertical Electric Sounding (VES) profiles across the <span class="search-highlight">Agrio</span> <span class="search-highlight">River</span> terraces (...
Published: 01 May 2004
Fig. 6 Vertical Electric Sounding (VES) profiles across the Agrio River terraces (adapted from CGS 1999 ). The dotted line indicates the bottom of the alluvial deposits interpreted from VES. Units are ohm/m. Contour lines on the map are the isobaths expressed in metres calculated from VES.
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Upper part: trenches excavated in the terrace scarps of the <span class="search-highlight">Agrio</span> <span class="search-highlight">River</span>. Lo...
Published: 01 May 2004
Fig. 10 Upper part: trenches excavated in the terrace scarps of the Agrio River. Lower part: Longitudinal section through T2 scarp in the western margin of the Agrio River interpreted from trenches. See Figure 5 for location.
Journal Article
Published: 01 May 2004
Quarterly Journal of Engineering Geology and Hydrogeology (2004) 37 (2): 141–154.
...Fig. 4 Drilling method used to study the alluvial deposits of the Agrio River: Left: Tripod and hanging steel bailer. Right-above: detail of the valve in the lower end of the bailer that facilitates retention of cuttings within the cylinder. Right-below: bailer emptying. Deposited material...
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Geological map of the Aznalcóllar mining area, including the location of t...
Published: 01 May 2004
Fig. 1 Geological map of the Aznalcóllar mining area, including the location of the study area in the Agrio River valley.
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Plan view (above) and longitudinal section (below) of the Permeable Reactiv...
Published: 01 May 2004
Fig. 2 Plan view (above) and longitudinal section (below) of the Permeable Reactive Barrier built in the Agrio River.
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Longitudinal section through T0 terrace following the current channel of th...
Published: 01 May 2004
Fig. 9 Longitudinal section through T0 terrace following the current channel of the Agrio River. It has been drawn from lithologic profiles exposed in the channel scarp and data from some boreholes drilled near the channel boundary. An oblique cross-section of the palaeochannel is shown just
Journal Article
Journal: Geology
Published: 01 November 2001
Geology (2001) 29 (11): 1059–1062.
... about 100 m below the lake level and feeds an acid river, the Upper Rio Agrio, which discharges ∼12 km downslope into Lake Caviahue, a large, acidified glacial meltwater lake. About 300 water samples, collected between March 1997 and August 2000, were analyzed at Wesleyan University by inductively...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.08
EISBN: 9781862395008
... Abstract The Cretaceous Troncoso Inferior Member of the Huitrín Formation comprises fluvial and aeolian facies that form a drying-upwards succession within the Neuquén Basin. The basal fluvial sandstones were deposited as braided river deposits and lie unconformably on top of either the deep...
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Journal Article
Journal: Geosphere
Published: 23 December 2020
Geosphere (2021) 17 (1): 244–270.
... source areas has not been extensively considered. This contribution provides the first detailed detrital-zircon U-Pb geochronology of the Valanginian–Hauterivian Pilmatué Member of the Agrio Formation, which is combined with sedimentology and paleogeographic reconstructions of the unit within the Neuquén...
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Journal Article
Journal: PALAIOS
Published: 01 March 2014
PALAIOS (2014) 29 (3): 101–120.
..., along the southern margin of the Agrio River. It can be accessed by Provincial Road 10, 6 km south–southwest from the town (GPS 38°27′4.78″S, 70°4′41.26″W). The Pilmatué Member is thinner here than at other localities and is the most proximal of the three main localities, with evidence of salinity...
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Series: GSA Field Guide
Published: 01 January 2008
DOI: 10.1130/2008.0013(02)
EISBN: 9780813756134
... Agrio Fold-and-Thrust Belt Drive across the Loncopué Trough Figure 25. (A) View of the Guañacos River at Stop 2 on Day 4. (B) Map of the Loncopué trough in the retroarc area of the Andes between 36° and 39°S from Ramos and Folguera (2005) . Figure 26. Geological map of the section...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2016
GSA Bulletin (2016) 128 (1-2): 315–331.
... Negro syncline exposed south of the Cerro Negro intrusive complex ( Figs. 3 and 4 ). Between the Curileuvú River and Tricao Malal, the Lower Agrio shales crop out over a large area ( Fig. 3 ; cross-section A-A′ in Fig. 4 ). The shales are very soft, and no continuous structure is observable...
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Journal Article
Published: 29 May 2020
Journal of Sedimentary Research (2020) 90 (5): 533–570.
...Shawn A. Moore; Lauren P. Birgenheier; Matthias D. Greb; Daniel Minisini; Maísa Tunik; Julieta Omarini ABSTRACT The carbonate-mudstone-dominated Lower Cretaceous Agrio Formation is the youngest marine source rock of the hydrocarbon-prolific Neuquén Basin in Argentina, yet its facies variability...
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Journal Article
Published: 15 March 2022
Journal of Sedimentary Research (2022) 92 (3): 210–231.
..., and hydrography of the basin, among others. e-mail: mremirez@gmu.edu *  Present Address: Atmospheric, Oceanic, and Earth Science Department, George Mason University, Research Hall 123, 10401 York River Road, Fairfax 22030, Virginia, U.S.A. 21 6 2021 9 12 2021 Copyright © 2022, SEPM...
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Journal Article
Published: 01 July 2003
Journal of Paleontology (2003) 77 (4): 784–789.
.... After this regression, in the Upper Valanginian-Lower Hauterivian, a gradual rise of sea level produced a rapid expansion of the marine facies covering the whole Neuquén Basin ( Gulisano et al., 1984 ). The Agrio Formation was deposited during this transgression, reaching a maximum thickness of about...
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Journal Article
Journal: AAPG Bulletin
Published: 15 August 2020
AAPG Bulletin (2020) 104 (8): 1679–1705.
...Marcos Comerio; Diana E. Fernández; Nicolás Rendtorff; Mariano Cipollone; Patricia E. Zalba; Pablo J. Pazos ABSTRACT The Lower Cretaceous Agrio Formation is a source rock considered to be a possible unconventional reservoir. However, no detailed microstructure characterization of this hydrocarbon...
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Journal Article
Published: 01 July 2011
Journal of Paleontology (2011) 85 (4): 719–743.
... ). The Troncoso Member rests on a regional unconformity on top of the Agrio Formation. It is composed of fluvial and aeolian sandstones (Lower Troncoso) and evaporites (Upper Troncoso). The La Tosca Member overlies the Troncoso Member and is dominated by carbonates. Finally, the Salina Member was deposited above...
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Journal Article
Journal: AAPG Bulletin
Published: 15 December 2020
AAPG Bulletin (2020) 104 (12): 2521–2555.
...%). This unit reached maturity at 95 Ma, when the only traps available were structures along the Huincul high or stratigraphic. A new marine ingression occurred during the Early Cretaceous, depositing bituminous shales and marls (Agrio Formation, TOC 2%–5%) that matured during the Paleogene. These superimposed...
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