Cover Photo: Image of halite crystals that are common in the Barremian Upper Troncoso Member (Neuquén Basin, Argentina), attesting that the basin behaved as a partially isolated hydrographically depression below sea level at that time. For further details see Gabriele, pp 35-69, this issue.
Cover Photo: Transmission optical microscopy image of an eolian sandstone from the De La Cuesta Formation (Permian, Argentina), showing an inverse-graded lamina interpreted to be eolian-ripple migration with abundant coarse-grained sand (light blue shows porosity). For further details see Limarino et al, pp 83-108, this issue.
Cover photo: View of the Cerro Chenque in Comodoro Rivadavia, Chubut (Argentina). The lower part of the Miocene shallow-marine Patagoniense strata (Chenque Formation) is exposed. For further details see Cuitiño et al, pp. 3-12, this issue.
Cover photo: Left margin, from top to bottom: foraminifers, gastropods and ostracods; gypsum crystals in evaporitic facies; micro-fluorescence of RX of laminated lake sediments. Central photo: the littoral zone of Laguna del Venado. For further details see Piovano et al., pp 65-75 and Córdoba et al., pp 139-163, this issue.
Cover Photo: Seismic line of the Foreland III phase in the Magallanes-Austral Basin (Chile), showing well defined clinoforms representing outer-shelf, slope and basin-floor settings.
For further details see Gallardo, pp.49-68, this issue.
Cover Photo: Transmission optical microscopy image of a structured horizon from the pedological mantle of the Misiones Province, showing subangular and angular blocks, few channels, clay coatings, magnetite grains and ferruginous nodules. For further details see Moretti and Morrás, pp 129-142, this issue.
Cover Photo: View of the contact between the Lumbrera Formation (Salta Group) and the Quebrada de los Colorados Formation (Payogastilla Group) in the Tin Tin area, Salta (Argentina). For further details see del Papa et al., pp 51-64, this issue.
Cover Photo: Scanning electron microscopy image of a petrocalcic horizon with rhombohedra and scalenohedra of calcite in rock holes within a fine matrix (Vertic argiudoll).Photo by P. imbellone. For further detail see Imbellone et al., pp 67-88, this issue.
Cover Photo: Sandy heterolithic beds with frequent change in current direction and intraformational conglomerates of tidal-fluvial channels in the Miocene"Rionegrense" of Patagonia. Photo by R.A. Scasso.For further detail see Scasso et al., pp 27-45, this issue.
Cover Photo: Example of flat gravel clast transported over thesandy beach of Pehuén Co, Argentina. Photo by G.M.E. Perillo. For further detail see Perillo et al., pp 105-120, this issue.
Cover Photo. SEM microphotograph of calcite cement in meniscus style of telodiagenetic origin, siliciclastic basal section of the Villa Mónica Formation (Sierras Bayas Group, Tandilia System). Photograph by L. Gómez Peral. For further detail see Gómez Peral et al., pp 3-41, this issue.
Cover Photo: Intraformational conglomerates at the base of incised channel belts of the Toro Negro Fm in the La Troya creek south section. Photo by Carlos O. Limarino. For further detail see Limarino et al. pp 113-132, this issue.
Cover Image: Multichannel seismic section of the Bonaerensian Continental Slope near Mar del Plata Canyon. Obtained during the geological-geophysical Meteor Cruise 49/2 (2001), Marum, Universuity of Bremen. For further details see Violante et al., 33-62, this issue.
Cover Image: NDSAT image of the Paraná River alluvial plain downstream Porto Primavera dam at the confluence with the Paranapamena River, tripartite border between Mato Grosso do Sul, São Paulo and Paraná states, Brazil. For further detail see Stevaux et al., pp 101-109, this issue.
Cover Photo: Ooid dolostone of the Auga de la Mula Member of the Agrio Formation (Early Cretaceous, Neuquén Basin, Argentina) with dolomite replacement of early marine cement, a dolomite cementation event and late calcite cementation. Photo by Maisa Tunik. For further detail see Tunik et al. pp. 29-23, this issue.
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Latin American Journal of Sedimentology and Basin Analysis. ISSN en línea 1851-4979. Asociación Argentina de Sedimentología. Calle 1 Nº644 (B19000TAC) La Plata, Buenos Aires, Argentina. Fax 54 11 4576 3329 www.sedimentologia.org.ar firstname.lastname@example.org