[PDF] Top 20 Ostracodes (Crustacea) from the Allen formation (late cretaceous), Neuquén Basin, Argentina
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Ostracodes (Crustacea) from the Allen formation (late cretaceous), Neuquén Basin, Argentina
... a Argentina (Bertels, 1972; Uliana & Musacchio, 1978; Musachio & Vallati, 2007), Brasil (Gobbo- Rodrigues et ...Formación Allen en la zona de Nahuel Niyeu (Formación Coli Toro según Musacchio, 1989; ... See full document
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Inorganic geochemistry as indicator of provenance and sedimentary environment in black shales: the tithonian transgressive deposits of the Neuquén basin (Vaca Muerta Formation), Argentina.
... shales: the tithonian transgressive deposits of the Neuquén basin (Vaca Muerta Formation), ...data from the basal Vaca Muerta Formation, deposited during the ... See full document
35
Callovian nautiloids from the Neuquén Basin, Argentina
... For the first time Callovian nautiloids from the Neuquén Basin (Argentina) are ...All the material was collected with precise stratigraphic control based on the ... See full document
6
Mixed (carbonatic/siliciclastic) cycles in the Upper Memeber of the Mulichinco Formation (Cañadón Amarillo Field, central Neuquén Basin, Argentina): sequential implications and for reservoir characterisation
... when the spatial ...understand the temporal/spatial relationships and controls in the origin of a Lower Cretaceous, mixed carbonate- siliciclastic succession in the subsurface of the ... See full document
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The Tithonian Lower Valanginian stratigraphy and ammonite fauna of the Vaca Muerta Formation in Pampa Tril, Neuquén Basin, Argentina
... constitutes the dominant deposits of the first 46.7 m of the unit ...and the development of a very-fine lamination ...in the basal ...in the bituminous shale succession ...by ... See full document
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Integrated mineralogical analysis (QEMSCAN and DRX) of transgressive black shales: Tithonian basal deposits of the Vaca Muerta Formation (Neuquén Basin, Argentina)
... buted from the austral to the central sectors of the Neuquén Basin ...1a). The sampled sediments were deposited during the marine transgression of the early ... See full document
16
First fission-track age for the dinosaur-bearing Neuquén Group (Upper Cretaceous), Neuquén Basin, Argentina.
... Geological map showing location of the studied arca (down left) and the three places in which the ash-flow tuff was studied: 11 Agua de las Vacas, 21 La Piedra Sola, and 3) Cerro Poli[r] ... See full document
6
Palynostratigraphy of the Tithonian-Hauterivian interval, West-Central Neuquén Basin, Argentina
... PLATE 2–(All figures × 1000, scale bar equals 10 µm). 1-4, Cribroperidinium orthoceras (Eisenack) Davey, 1969; 1, Ventral view, ventral surface (from Quattrocchio and Volkheimer, 1990, p. 329); 2, UNSP PC 5: ... See full document
24
Early Cretaceous dinoflagellate cysts from the southern border of the Neuquén Basin, Estancia Santa Elena locality, Argentina*
... by the author from grey siltstones and claystones from the lo�er �art (Pilmatu�� Member) of the section of the Agrio Formation at Estancia Santa Elena locality (Neuqu��n ... See full document
21
Lithofacies and age of the Quintuco Formation (Lower Cretaceous) in the Mallín Quemado area (Sierra de la Vaca Muerta, Neuquén Basin, Argentina) Stratigraphic and depositional implications
... From the beginning of the Tithonian (Late Jurassic) a sudden and widespread marine transgression was followed by a prolonged cycle of regression and somerization until the Early Valanginian ... See full document
16
Andean Lower Tithonian (Picunleufuense Zone) ammonites and aptychus from Estancia Maria Juana, Southern Neuquén Basin, Argentina
... arise from the umbilical wall being slightly curved forward on the lower third of the ank, wherefrom they divide into two or three ...secondaries. From about D = 30-50 mm the ... See full document
8
Ammonites and biostratigraphy of the Cuyo Group in the Sierra de Reyes (central Neuquén basin, Argentina) and their sequential significance
... Los estudios de superficie en la Sierra de Reyes consistieron en el relevamiento de dos secciones completas del Grupo Cuyo en las quebradas de la Estrechura y de Agua del Campo, y una complemen- taria parcial en la ... See full document
18
Syn-rift volcanism of the Neuquén Basin, Argentina: Relationships with the Late Triassic-Early Jurassic evolution of the Andean margin
... times. The initial syn-rift infill (Late Triassic-Early Jurassic) of this ensialic extensional basin involved a profuse magmatic activity (Precuyano ...of the southern depocentres of the ... See full document
27
Tithonian (Internispinosum Zone) ammonites from Cordón de Cuchillo Cura, Neuquén Basin, Argentina
... conch, the occurrence of short intercalary ribs on the uppermost flank, and by a younger stratigraphic ...position. The present species could be related with a small specimen from the ... See full document
8
Biostratigraphy and palaeoenvironment of the Agrio Formation (Lower Cretaceous), Mendoza Province, Neuquén Basin, Argentina
... La Formación Agrio constituye una unidad litoestratigráfica de amplia distribución en la Cuenca Neuquina del centro oeste de Argentina, que comprende la porción terminal del Grupo Mendoza (Stipanicic et al., ... See full document
33
Río Colorado Subgroup (Neuquén Group): Paleosimicity record in the Andean foreland basin, Neuquén basin, Neuquén y Río Negro provinces
... The Neuquén basin is located in the central and western part of Argentina and represents the most important Mesozoic-Neogene depocenter in the country and is one of ... See full document
19
Sedimentology and stratigraphy of the Vaca Muerta Formation in the Cerro Domuyo area, Northern Neuquén, Argentina
... of the Andean orogen in Chile. In The Geology of Chile (Moreno, ...editors). The Geological Society: ...evidence from mafic dike ...of the Tithonian-Valanginian Vaca Muerta-Chachao ... See full document
25
Lahar deposits of the Molles Formation in Chacay Melehue, Neuquén: evidence of Jurassic volcanism in the Neuquén basin
... La actividad volcánica en la cuenca neuquina durante el Jurásico Temprano y Medio es conocida por las descripciones de abundantes volcanitas en la Formación Nacientes del Bío Bío (Suárez et al. 1988, Suárez y Emparán ... See full document
7
The Tithonian Berriasian ammonite fauna and stratigraphy of Arroyo Cieneguita, Neuquén Mendoza Basin, Argentina
... about the origin of S. koeneni: (1) it could derive from early ...occurs from a deeper stratigraphic position, clearly in the Alternans ...(e.g. the material from AC described ... See full document
74
Ammonites of the Middle Tithonian Internispinosum Zone from Barda Negra, southern Neuquén Mendoza Basin, Argentina
... is the name generally used to indicate a rather flat, wide area located west of the large basaltic Meseta Barda Negra, about 20 km south of Zapala, in the southeastern part of the ... See full document
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