Search Results - "Valencio, D. A."

Age of the Separation of South America and Africa by VALENCIO, D. A, VILAS, J. F

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Palaeomagnetism of some Middle Jurassic Lavas from South-east Argentina by VALENCIO, D. A, VILAS, J. F

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The significance of the palaeomagnetism of Jurassic—Cretaceous rocks from South America: predrift movements, hairpins and magnetostratigraphy by Valencio, D. A., Vilas, J. F., PaCCa, I. G.

“…In this paper we show that: (1) The positions of the Cretaceous palaeomagnetic poles (PP) for South America and Africa exhibit elongated distributions that are…”
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Palaeomagnetism of a sequence of Upper Palaeozoic—Lower Mesozoic red beds from Argentina by Sinito, Ana M., Valencio, Daniel A., Vilas, Juan F.

“…Palaeomagnetic data from 101 hand samples collected in a rock sequence of about 300m of red beds and igneous rocks of the La Colina Formation (Late Palaeozoic)…”
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Palaeomagnetism of a sequence of red beds of the Middle and Upper Sections of Pagnazo Group (Argentina) and the correlation of Upper Palaeozoic-Lower Mesozoic rocks by Valencio, Daniel A., Vilas, Juan F. A., Mendía, José E.

“…Palaeomagnetic data from 182 hand samples collected in a rock sequence of about 620-m of red beds of Late Palaeozoic to Early Triassic age exposed in…”
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Palaeomagnetism and K—Ar Ages of Cenozoic Basalts from Argentina by Valencio, D. A., Linares, E., Creer, K. M.

“…Results of a combined palaeomagnetic-geochronological study made on Cenozoic basalts from the extra-Andean area of the Provinces of Mendoza and Neuquén are…”
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Preliminary Palaeomagnetic Study of Igneous Rocks from Abrolhos Islands, Brazil by PACCA, I. G, VALENCIO, D. A

“…THERE are few palaeomagnetic data on Cainozoic rocks from the South American block1-4, and these data refer to the Upper Cainozoic. The geological information…”
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Palaeomagnetic study of mesozoic rocks from Ixtapan de la Sal, México by J. Urrutia Fucugauchi, D. A. Valencio

“…Se reportan datos paleomagnéticos para 25 muestras de tres localidades de una secuencia de rocas metavolcánicas expuestas en el área de Ixtapan de la Sal,…”
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Evidence for a Normal Geomagnetic Field Polarity Event at 263 ± 5 m.y. BP within the Late Palaeozoic Reversed Interval by CREER, K. M, MITCHELL, J. G, VALENCIO, D. A

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Geomagnetic secular variations 0–14 000 yr bp as recorded by lake sediments from Argentina by Creer, K. M., Valencio, D. A., Sinito, A. M., Tucholka, P., Vilas, J. F. A.

“…Palaeomagnetic and sedimentological studies carried out on the bottom sediments from three lakes in western Argentina are described. At the within-lake level,…”
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The significance of the pdaeomagnetism of Jurassic—Cretaceous rocks from South America: predrift movements, hairpins and magnetostratigraphy by Valencio, D. A., Vilas, J. F., PaCCa, I. G.

“…In this paper we show that: (1) The positions of the Cretaceous palaeomagnetic poles (PP) for South America and Africa exhibit elongated distributions that are…”
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Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil by Sinito, A. M., Valencio, D. A., Ernesto, M., Pacca, I. G.

“…A sequence of 167 glacial varves from Itu, State of São Paulo (Brazil), has been sampled for palaeomagnetic analysis. Since the varve thicknesses permit…”
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Palaeomagnetism and K—Ar age of the Upper Ordovician Alcaparrosa Formation, Argentina by Vilas, Juan F., Valencio, Daniel A.

“…Palaeomagnetic data from 71 hand samples of igneous rocks of Late Ordovician age exposed in western Argentina (31.3°S, 69.4°W, Alcaparrosa Formation) are…”
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Palaeomagnetism of Upper Cretaceous—Lower Tertiary igneous rocks from Central Argentina by Valencio, D. A., Vilas, J. F., Solá, P., López, M. G.

“…From nine Upper Cretaceous—Lower Tertiary (85 ± 5–66 ± 5 Ma) volcanic hills in Central Argentina (33°S, 65°W), 26 hand samples were collected yielding a…”
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Palaeomagnetism and K—Ar ages of Lower Ordovician and Upper Silurian—Lower Devonian rocks from north-west Argentina by Valencio, Daniel A., Vilas, Juan F., Mendía, José E.

“…In this paper we present palaeomagnetic data from 87 hand samples collected in a sequence of tuffs and shales (Suri Formation) of Llanvirnian age, exposed in…”
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Palaeomagnetic and Rock Magnetic Studies on the Cenozoic Basalts from Western Argentina by Creer, K. M., Valencio, D. A.

“…Results are presented of a study of 234 samples of Cenozoic basalts from the extra-Andean region of the Provinces of Mendoza and Neuquén in the Argentine…”
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Palaeomagnetism of the Cretaceous Pirgua Subgroup (Argentina) and the age of the opening of the South Atlantic by Valencio, Daniel A., Mendía, José E., Giudici, Alfonso, Gascon, Joaquín O.

“…Palaeomagnetic data for the Cretaceous Pirgua Subgroup from 14 different time units of basalts and red beds exposed in the north-western part of Argentina (25°…”
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