... under subsolidus conditions is evidenced by reverse ductile shearing and folding at c. 440 Ma. Thrusting along the La Chilca Shear Zone caused metamorphic inversion. The consistent orientation of folds in the Quebrada del Molle Metamorphic Complex, El Portezuelo Metamorphic–Igneous Complex and the La...

... (Universidad Nacional del Sur, Palynology) followed by the denomination of the studied section: QA (Quebrada Álvarez). Specimen locations are referred to by England Finder (EF) coordinates. Figure 2. Stratigraphical Quebrada Álvarez section showing the sedimentological and fossil characteristics...

..., in the Eastern Precordillera ( Fig. 1 ). Its stratotype was defined in the Quebrada de Zonda where it was subdivided into five members ( Bordonaro, 1980 ; Gómez and Astini, 2006 ). The described fossils come from the El Estero Member—the lowermost of the La Laja Formation—at Cerro Molle (Sierra de Villicum...

... boundary; Riccardi, 2008 ) of the Los Molles Formation at Quebrada Remoredo, Sierra de Reyes, Mendoza province, Argentina. This forefin was described as Ophthalmosauria indet. by Fernández ( 2003 ). Spalleti, Gasparini & Fernández ( 1994 ), when analysing the transition between...

... al. ( 2004a ), is well exposed at Quebrada Chamarra and Quebrada del Cardonal ( Fig. 2 ). Brachiopods consist of Monorthis coloradoensis (reassigned herein to Ahtiella ) and rare specimens of Paralenorthis sp., Dinorthis ? sp., and small dalmanellids. Trilobites are represented by Neseuretus...

... Min 1969 54 1684 1710 Thomas A. Cuadrángulos Iquique y Caleta Molle, Provincia de Tarapacá. Santiago (Inst. Invest. Geol.), Carta geol. Chile 1970 21–22 Tricart J. Algunas observaciones geomorfologicas sobre las terrazas del Rio Copiapó Informaciones Geográficas (Chile...

... (Notoungulata) from the late Oligocene of Mendoza (Argentina) : Journal of Vertebrate Paleontology ,. Cerdeño , E. , Reguero , M. , and Vera , B. , 2009 , Los Archaeohyracidae del Deseadense (Oligoceno tardío) de Quebrada Fiera (Mendoza, Argentina) : Resúmenes XXIV Jornadas Argentinas de...

... of the high Puna. In three localities, namely (1) Pular in the Sierra de Almeida, (2) Cerros de Purilactis west of San Pedro de Atacama, and (3) Quebrada del Way south of Antofagasta city, the continental sedimentites associated with the vulcanites have been studied in some detail. In the Pular area...

... clades. It also shows the complexity of bivalve faunas at the beginning of their evolutionary radiation. In recent years, a number of taxonomic arrangements of Paleozoic bivalves have been proposed (e.g., Waller, 1990 , 1998 ; Cope, 1995 , 1997 , 2000 ; Fang and Morris, 1997 ; Amler, 1999...

... limestones of the Pabellón Formation) an early upper Aptian age is assumed for the lava flows. The flows are exposed for some 70 km along a N 20° E strike, with an average thickness of 70 m between Quebrada Cinchado and El Molle (Fig. 1 ; Cisternas et al., 1999a ). Some of the individual volcanic flows...

... del Bronce y sus mineralizaciones asociadas : Unpublished Ph.D. thesis, Bahía Blanca, Buenos Aires , Universidad Nacional del Sur , 105 p. Casé , A.M. 1997 , La Quebrada del Bronce, un modelo de pórfido de cobre asociado a skarn : Congreso Geológico Chileno, 8th, Antofagasta...

..., in the western segment of this deformation belt. The geology consists of Paleozoic basement from the Chachil plutonic complex (K-Ar of 291 ± 20 Ma and 310 ± 20 Ma; Linares and González, 1990 ), followed by Jurassic–Early Cretaceous sedimentary marine deposits of the Cuyo (Los Molles and Lajas Formations...

... sequence of dacitic tuffs and agglomerates at Quebrada e1 Molle probably also forms part of the Upper Palaeozoic sequence but its stratigraphic relationship with the Las Tdrtolas Formation is unknown. The Chaiiaral m6lange The Chaiiaral melange extends for some 200 km from N to S and 30 km from W to E (Fig...

... of the Sierra de Reyes showing the boundaries between the lithostratigraphic units identified in this study. This study integrates outcrop and subsurface datasets ( Fig. 5 ). Sedimentological sections of the Cuyo Group were measured both in the eastern (Quebrada Agua del Campo locality...

... the overall Triassic continental and vol- canic succession. Eleven backstepping smaller scale cycles deposited in a fan-delta setting (Quebrada Vaquillas and Punta del Viento) record an increasingly important influence of transgression in the form of thin intercalated marine limestone and wave-rippled...

... del Petróleo-Chile (ENAP; Pintados-1, Pintados-2, Soledad-1 and Hilaricos-1), as well as two water wells by the Dirección General de Aguas (Chacarilla and Quebrada Blanca), are shown. Black squares and dotted lines indicate the locations of the principal localities and fluvial incisions (valleys...

... on temperature). The vertical motions due to thickening and heating/cooling compete with one another on both a regional and a local scale. The net result of heating and two types of thickening are basins with complex space-time histories, as the rheological behavior of the lithosphere in the Andes evolved...

..., 1973 Molles Formation, Los Molles River section, level Mo2; Quebrada La Leña section, levels QF7 and QF8. Medium to large sized, dorsibiconvex, transversely subelliptical in outline; ventral valve gently convex, dorsal valve moderately to strongly convex, sulcate. Ornament...

... the basin margins, the Oligocene overlaps them and rests on older Eocene beds with angular unconformity. The Oligocene to Oligo-Miocene rocks in the basin are a complex of facies deposited during a marine transgression. In most of central Falcón, this complex is represented by relatively deep-water facies...

..., in comparison with clinopyroxenes from the Sierra Madre Occidental ignimbrites (SMO; Moll, 1981 ), Golfito Complex (basic to intermediate proto-arc rocks; Buchs, 2008 ), Papagayo Tuff (ignimbrites, Bagaces Formation; Szymanski et al., 2013 ), Caribbean Large Island Province (CLIP) basalts (Dumisseau...