2016
DOI: 10.24215/25456377e014
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Los primeros registros geológicos y paleontológicos del Neuquén: la expedición de Luis de la Cruz y Goyeneche en 1806

Abstract: Luis de la Cruz y Goyeneche realizó en 1806 un viaje de reconocimiento comisionado por las autoridades de Chile y del Virreinato del Río de la Plata. A principios del siglo XIX se propiciaba la búsqueda de un camino más directo entre Buenos Aires y el centro-sur de Chile, con la finalidad de mejorar la actividad comercial, atravesando territorios desconocidos y habitados por los indios. Aquí se analiza el recorrido en el territorio de la actual provincia del Neuquén a la que ingresó por el paso Pichachén, tamb… Show more

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Cited by 4 publications
(7 citation statements)
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“…The formation is divided into two members: the lower member is characterized by red conglomerates and sandstones, and the upper member is dominated by tuffs and tuffaceous sandstones. The age of this unit can be constrained to the Aptian-Cenomanian by a ~121 Ma age from detrital zircons at its base, a U-Pb ~112 ± 2 Ma age for a tuff in its mid section (Ghiglione et al, 2015), and tuffs at the top with K-Ar ages made in biotite and plagioclase of ~99-97 Ma (Ramos and Drake, 1987), in agreement with previous stratigraphic considerations (Aguirre-Urreta and Ramos, 1981;Arbe, 2002). To the south a correlation can be made with the late Aptian -early Cenomanian Kachaike Formation (Fig.…”
Section: Río Tarde Formationsupporting
confidence: 87%
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“…The formation is divided into two members: the lower member is characterized by red conglomerates and sandstones, and the upper member is dominated by tuffs and tuffaceous sandstones. The age of this unit can be constrained to the Aptian-Cenomanian by a ~121 Ma age from detrital zircons at its base, a U-Pb ~112 ± 2 Ma age for a tuff in its mid section (Ghiglione et al, 2015), and tuffs at the top with K-Ar ages made in biotite and plagioclase of ~99-97 Ma (Ramos and Drake, 1987), in agreement with previous stratigraphic considerations (Aguirre-Urreta and Ramos, 1981;Arbe, 2002). To the south a correlation can be made with the late Aptian -early Cenomanian Kachaike Formation (Fig.…”
Section: Río Tarde Formationsupporting
confidence: 87%
“…The Río Belgrano Formation is developed significantly from Lago Pueyrredón to the Arroyo Potranquitas (Fig. 3; Aguirre-Urreta and Ramos, 1981;Relañez, 2014).…”
Section: Río Belgrano Formationmentioning
confidence: 99%
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“…The first record corresponds to fluvial deposits and volcanic rocks of the Tordillo and Río Damas formations (Figure 2b) (Greco et al., 2022; Rossel et al., 2014). Later, between the Tithonian and the Hauterivian, a new Pacific transgression occurred, represented in Argentina by the thick marine mudstone and limestone deposits of the Vaca Muerta, Chachao, and Agrio formations (Aguirre‐Urreta, 2001; Aguirre‐Urreta & Lo Forte, 1996; Kietzmann & Vennari, 2013; Legarreta & Uliana, 1996) and in Chile by the marine volcaniclastic sequences of the Lo Valdés Formation (González, 1963). During the late Early Cretaceous, a new regression caused the continentalization of the basin, represented by the Bajada del Agrio Group (Legarreta & Uliana, 1991).…”
Section: Stratigraphymentioning
confidence: 99%