Artículo

Estamos trabajando para incorporar este artículo al repositorio
Consulte el artículo en la página del editor
Consulte la política de Acceso Abierto del editor

Abstract:

Global paleogeographies in the Neoproterozoic are poorly known. In particular, the assembly of Gondwana at the end of the Proterozoic is controversial. In order to constrain the kinematic evolution of the Rio de la Plata craton, a paleomagnetic study was carried out in the Vendian to Cambrian Sierra de Las Animas magmatic Complex, exposed in southeastern Uruguay (34.7°S, 55.3°W). One hundred and forty-seven samples from 23 sites were studied. These included two sites on the Vendian glaciogenic sediments of the Playa Hermosa Formation. After stepwise AF and thermal cleaning a characteristic remanence was isolated at several sites. According to the available isotopic data for the complex and the correlation between remanence directions and lithologic type and age, two paleomagnetic poles were computed for the Sierra de Las Animas complex. SA1 (338.1°E, 5.9°N, dp = 19.6°, dm = 26.7°, N = 7 sites, mean declination: 44.5°, mean inclination: 58.0°, α95: 18.1°), with a likely age around 520 Ma, shows a distribution of VGPs that suggests a remanence acquisition that spanned a long time during a period of fast apparent polar wander for Gondwana. SA2 (250.9°E, 16.9°S, dp = 15.9°, dm = 21.5°, N = 6 sites, mean declination: 95.3°, mean inclination: 58.5°, α95: 14.5°) corresponds to a likely age around 550 Ma and falls close to a pole of similar age from the Congo craton. This suggests that the Rio de la Plata craton was at that time part of Gondwana and confirms previous postulates that a single APWP can be defined for the supercontinent since 550 Ma. A preliminary mean geomagnetic pole obtained from the Playa Hermosa Formation (PH, 198.4°E, 43.0°S, dp = 8.6°, dm = 16.0°, n = 6 samples, mean declination: 226.0°, mean inclination: 24.2°, α95: 15.0°) is consistent with a previous pole of 595 Ma from the Campo Alegre (CA) lavas and may suggest, if confirmed, that the glaciogenic deposits were produced at low to intermediate latitudes. Despite high uncertainties, a new speculative model on the process of assembly of Gondwana is proposed. © 2002 Elsevier Science B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Paleomagnetism of the Sierra de Las Animas Complex, Southern Uruguay: Its implications in the assembly of Western Gondwana
Autor:Sánchez-Bettucci, L.; Rapalini, A.E.
Filiación:Area Geofisica y Geotectonica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay
INGEODAV, Depto. de Ciencias Geológicas, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Palabras clave:Gondwana; Neoproterozoic; Paleogeography; Paleomagnetism; South America; Uruguay; Gondwana; paleogeography; paleomagnetism; Proterozoic; tectonic evolution; article; evolution; geography; kinematics; magnetism; model; paleontology; polarization; sediment; South America; Uruguay; Uruguay
Año:2002
Volumen:118
Número:3-4
Página de inicio:243
Página de fin:265
DOI: http://dx.doi.org/10.1016/S0301-9268(02)00114-6
Título revista:Precambrian Research
Título revista abreviado:Precambrian Res.
ISSN:03019268
CODEN:PCBRB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03019268_v118_n3-4_p243_SanchezBettucci

Referencias:

  • Alkmim, F.A., Marshak, S., Fonseca, M.A., Assembling west Gondwana in the Neoproterozoic: Clues from the Sao Francisco craton region, Brazil (2001) Geology, 29 (4), pp. 319-322
  • Astini, R.A., Benedetto, J.L., Vaccari, N.E., The early Paleozoic evolution of the Argentine Precordillera as a Laurentian rifted, drifted and collided terrane: A geodynamic model (1995) Geol. Soc. Am. Bull., 107 (3), pp. 253-273
  • Basei, M.A.S., Siga O., Jr., Masquelin, H., Harara, O.M., Reis Neto, J.M., Preciozzi Porta, F., The Dom Feliciano Belt and the Rio de la Plata Craton: Tectonic evolution and correlation with similar provinces of southwestern Africa (2000) Tectonic Evolution of South America 31st International Geological Congress, pp. 311-334. , Cordani, U.G, Milani, E.J., Thomaz Filho, A., Campos, D.A., Rio de Janeiro, Brazil (Ed.)
  • Bossi, J., (1966) Geologia del Uruguay, p. 365. , Departamento de Publicaciones de la Universidad de la República, Montevideo
  • Bossi, J., Navarro, R., (1991) Geología del Uruguay I, p. 453. , Departamento de Publicaciones de la Universidad de la República, Montevideo
  • Bowring, S.A., Erwin, D.H., A new look at evolutionary rates in deep time: Uniting Paleontology and high precision Geochronology (1998) GSA Today, 8, pp. 1-8
  • Briden, J.C., Paleomagnetism of the Ntonya ring structure (1968) Malawi. J. Geophys. Res., 73, pp. 725-733
  • Briden, J.C., McClelland, E., Rex, D.C., Proving the age of a paleomagnetic pole: The case of the Ntonya ring structure (1993) Malawi. J. Geophys. Res., 98, pp. 1743-1749
  • Brito Neves, B.B., Cordani, U.G., Tectonic evolution of South America during the late Proterozoic (1991) Precambrian Res., 53, pp. 23-40
  • Brito Neves, B.B., Campos Neto, M.C., Fuck, R.A., From Rodinia to Western Gondwana: An approach to the Brasiliano-Pan African cycle and orogenic collage (1999) Episodes, 22 (3), pp. 155-166
  • Campos Neto, M.C., Orogenic systems from Southwestern Gondwana: An approach to Brasiliano-Pan African Cycle and orogenic collage in South Eastern Brasil (2000) Tectonic Evolution of South America, 31st International Geological Congress, pp. 335-365. , Cordani, U.G, Milani, E.J., Thomaz Filho, A., Campos, D.A. (Eds.), , Rio de Janeiro, pp. Brazil
  • Cawood, P.A., McCausland, P.J.A., Dunning, G.R., Opening Iapetus: Constraints from the Laurentianmargin in Newfoundland (2001) Geol. Soc. Am. Bull., 113 (4), pp. 443-453
  • Cingolani, C., Dalla Salda, L., Buenos Aires cratonic region (2000) Tectonic Evolution of South America, 31st International Geological Congress, pp. 139-147. , Cordani, U.G, Milani, E.J., Thomaz Filho, A., Campos, D.A. (Eds.), Rio de Janeiro, Brazil
  • Cingolani, C., Llambias, E., Varela, R., Campal, N., Bossi, J., Avances sobre la cronoestratigrafia del magmatismo no-orogénico finibrasiliano en el Uruguay: Formaciones Sierra de Animas y Sierra de Rios (1993) Primer Simposio Internacional del Neoproterozoico-Cámbrico de la Cuenca del Plata, pp. 63-68. , Montevideo, Actas II
  • Citroni, S.B., Basei, M.A.S., Sato, K., Siga O., Jr., Petrogenesis of the Campo Alegre basin magmatism, based on geochemical and isotopic data (1999) II South American Symposium on Isotope Geology, pp. 174-177. , Cordoba, Argentina, Actas
  • Cordani, U.G., Sato, K., Teixeira, W., Tassinari, C.C.G., Basei, M.A.S., Crustal evolution of the South American platform (2000) Tectonic Evolution of South America, 31st International Geological Congress, pp. 19-40. , Cordani, U.G, Milani, E.J., Thomaz Filho, A., Campos, D.A., (Ed.), Rio de Janeiro, Brazil
  • D'Agrella, M.S.F., Pacca, I.G., Paleomagnetism of the Itajai, Castro and Bon Jardim Groups form Southern Brazil (1988) Geophys. J, 93, pp. 365-376
  • D'Agrella, M.S.F., Trinidade, R.I.F., Siquiera, R., Ponte-Neto, C.F., Pacca, I.I.G., Paleomagnetic constraints on the Rodinia supercontinent: Implications for its Neoproterozoic break-up and the formation of Gondwana (1998) Int. Geol. Rev., 40, pp. 171-188
  • Dalla Salda, L.H., Bossi, J., Cingolani, C.A., The Rio de la Plata cratonic region of Southwestern Gondwanaland (1988) Episodes, 11 (4), pp. 263-269
  • Dalziel, I.W., Neoproterozoic-Paleozoic geography and tectonics: Review, hypothesis, environmental speculation (1997) Geol. Soc. Am. Bull., 109, pp. 16-42
  • Dalziel, I.W.D., Dalla Salda, L.H., Gahagan, L.M., Paleozoic Laurentia-Gondwana interaction and the origin of the Appalachian-Andean mountain system (1994) Geol. Soc. Am. Bull., 106, pp. 243-252
  • Davies, J., Nairn, A.E.M., Ressetar, R., The paleomagnetism of certain late Precambrian and early Paleozoic rocks from the Red Sea Hills (1980) Eastern Desert, Egypt. J. Geophys. Res., 85, pp. 3699-3710
  • Fisher, R.A., Dispersion on a sphere (1953) Proc. R. Soc. Lond. A, 217, pp. 295-305
  • Fragoso-Cesar, A.R.S., O cratón do Rio de la Plata e o Cinturao Dom Felicianono Escudo Uruguayo-sul Riograndense (1980) Congreso Brasileiro de Geología, Anais, SBG, 31, 5, pp. 2879-2891. , Camboriú
  • Grunow, A., Hanson, R., Wilson, T., Were aspects of Pan-African deformation linked to Iapetus opening (1996) Geology, 24 (12), pp. 1063-1066
  • Hambrey, M.J., Harland, W.B., The late Proterozoic glacial era, Palaeogeography, Palaeoclimatology (1985) Palaeoecology, 51, pp. 255-272
  • Harmer, R.E., Eglington, B.M., A review of the statistical principles of geochronometry: Towards a more consistent approach for reporting geochronological data (1990) South Afr. J. Geol., 93, pp. 845-856
  • Hartz, E.B., Torsvik, T.H., Baltica upside down: A new plate tectonic model for Rodinia and the Iapetus ocean (2002) Geology, 30 (3), pp. 255-258
  • Hoffman, P.F., Did the breakout of Laurentia turn Gondwanaland inside-out (1991) Science, 252, pp. 1409-1412
  • Kamo, S.L., Gower, C.F., Note: U-Pb baddeleyite dating clarifies age of characteristic paleomagnetic remanence of Long Range dykes, southeastern Labrador (1994) Atlantic Geol., 30, pp. 259-262
  • Kellogg, K.S., Beckmann, G.E.J., Paleomagnetic investigations of upper Proterozoic rocks in Eastern Arabian shield, kingdom of Saudi Arabia (1983) Bull. Fac. Earth. Sci. King. Abdullaziz. Univ., 6, pp. 483-500
  • Kempf, O., Kellerhals, P., Lowrie, W., Matter, A., Paleomagnetic directions in late Precambrian glaciomarine sediments of the Mirbat Sandstone formation (2000) Oman. Earth. Planetary. Sci. Lett., 175, pp. 181-190
  • Kirschvink, J.L., The least-squares and plane and the analysis of paleomagnetic data (1980) Geophys. J. R. Astron. Soc., 67, pp. 699-718
  • Kirschvink, J.L., Ripperdam, R.L., Evans, D.A., Evidence for a large-scale reorganization of early Cambrian continental masses by inertial interchange true polar wander (1997) Sceince, 277, pp. 541-545
  • Knoll, A.H., Walter, M.R., Latest Proterozoic stratigraphyand earth history (1992) Nature, 356, pp. 673-678
  • Kraemer, P.E., Escayola, M.P., Martino, R.D., Hipótesis sobre la evolución tectónica neoproterozoica de las Sierras Pampeanas de Córdoba (30°40′-32°40′) Revista. de. la. Asociación (1995) Geológica, 50, pp. 47-59. , Argentina
  • Linares, E., Sánchez-Bettucci, L., Edades Rb/Sr y K/Ar del cerro Pan de Azúcar, Piriápolis, Uruguay (1997) South American Symposium on Isotope Geology, 1, pp. 176-180. , San Pablo
  • Lottes, A.L., Rowley, D.B., Reconstruction of the Laurasian and Gondwanan segments of Permian Pangaea (1990) Geol. Soc. Memoir., 12, pp. 383-395
  • Masquelin, H.C., Sanchez Bettucci, L., Propuesta de evolución tectono-sedimentaria para la fosa tardi-brasiliana en la región de Piriápolis (1993) Uruguay. Rev. Braz. Geoci., 23 (3), pp. 313-322
  • McCausland, P.J.A., Hodych, J.P., Paleomagnetism of the 550 Ma Skinner Cove volcanics of Western Newfoundland and the opening of the Iapetus ocean (1998) Earth. Planet. Sci. Lett., 163, pp. 15-29
  • McNamara, A.K., MacNiocaill, C., Van der Pluijm, B.A., Van der Voo, R., West African proximity of the Avalon terrane in the latest Precambrian (2001) Geol. Soc. Am. Bull., 113, pp. 1161-1170
  • Meert, J.G., A paleomagnetic analysis of Cambrian true polar wander (1999) Earth. Planet. Sci. Lett., 168, pp. 131-144
  • Meert, J.G., Growing Gondwana and rethinking Rodinia: A paleomagnetic perspective (2001) Gondwana Res., 4 (3), pp. 279-288
  • Meert, J.G., A synopsis of events related to the assembly of Eastern Gondwana (2002) Tectonophysics, , in press
  • Meert, J.G., Powell, C.M.A., Introduction to the special volume on the assembly and break-up of Rodinia (2001) Precambrian Res., 110, pp. 1-8
  • Meert, J.G., Van der Voo, R., Paleomagnetic and 40Ar/39Ar study of the Sinyai dolerite, Kenya: Implications for Gondwana assembly (1996) J. Geol., 104, pp. 131-142
  • Meert, J.G., Van der Voo, R., Comment on 'New palaeomagnetic result from Vendian red sediments in Cisbaikalia and the problem of the relationship of Siberia and Laurentia in the Vendian' by S.A. Pisarevsky, R.A. Komissarova, A.N. Khramov. (2001) Geophys. J. Int., 146, pp. 867-870
  • Meert, J.G., Van der Voo, R., Payne, T.W., Paleomagnetism of the Catoctin volcanic province: A new Vendian-Cambrian apparent polar wander path for North America (1994) J. Geophys. Res., 99 (B3), pp. 4625-4641
  • Meert, J.G., Torsvik, T.H., Eide, E.A., Dahlgren, S., Tectonic significance of the Fen province, S. Norway: Constraints from Geochronology and Paleomagnetism (1998) J. Geol., 106, pp. 553-564
  • Merrill, R.T., McElhinny, M.W., McFadden, P.L., (1996) The Magnetic Field of the Earth. Paleomagnetism, the Core and the Deep Mantle, 531. , Academic Press, San Diego, CA
  • Morel, P., Paleomagnetism of a Pan-African diorite: A late Precambrian pole for Western Africa (1981) Geophys. J. R. Astron. Soc., 65, pp. 493-503
  • Murthy, G., Gower, C., Tubrett, M., Patzold, R., Paleomagnetism of Eocambrian Long Range dykes and Double Mer formation from Labrador (1992) Canada. Can. J. Earth Sci., 29, pp. 1224-1234
  • Oyhantçabal, P., Derregibus, M.T., De Souza, S., Geología do extremo sul da Formaçao Sierra de Animas (Uruguay) (1993) V Simpósio Sul-Brasileiro de Geología, Curitiba, I, pp. 4-5
  • Pazos, P., Tófalo, O., Sánchez Bettuci, L., Procesos sedimentarios e indicadores paleoclimáticos en la sección inferior de la Formación Playa Hermosa, Cuenca Playa Verde, Piriápolis, Uruguay (1998) II Congreso Uruguayo de Geología, pp. 64-69. , Punta del Este, Uruguay, Actas
  • Pazos, P.J., Sánchez-Bettucci, L., Tofalo, R.O., (2002) The Record of the Varanger Glaciation at the Rio de la Plata Craton, Vendian-Cambrian of Uruguay, , Gondwana Research, in press
  • Piper, J.D.A., The Neoproterozoic supercontinent: Rodinia or Paleopangea (2000) Earth Planet Sci. Lett., 176, pp. 131-146
  • Pisarevsky, S.A., Komissarova, R.A., Khramov, A.N., New palaeomagnetic result from Vendian red sediments in Cisbaikalia and the problem of the relationship of Siberia and Laurentia in the Vendian (2000) Geophys. J. Int., 140, pp. 598-610
  • Pisarevsky, S.A., Komissarova, R.A., Khramov, A.N., Reply to comment by J.G. Meert and R. Van der Voo on 'New palaeomagnetic result from Vendian red sediments in Cisbaikalia and the problem of the relationship of Siberia and Laurentia in the Vendian' (2001) Geophys. J. Int., 146, pp. 871-873
  • Ponte Neto, C.F., (2001) Contribuçao ao Estudo da Formaçao do Gondwana Occidental: Novos Dados Paleomagnéticos, p. 106. , Universidade de Sao Paulo, Brazil, Ph.D. thesis, unpublished
  • Powell, C.M.A., Are Neoproterozoic glacial deposits preserved on the margins of Laurentia related to the fragmentation of two supercontinents (1995) Geology, 23, pp. 1053-1054. , Comment
  • Powell, C.M.A., Pisarevsky, S.A., Late Neoproterozoic assembly of East Gondwana (2002) Geology, 30, pp. 3-6
  • Powell, C.M.A., Li, Z.X., McElhinny, M.W., Meert, J.G., Park, J.K., Paleomagnetic constraints on timing of the Neoproterozoic breakup of Rodinia and the Cambrian formation of Gondwana (1993) Geology, 21, pp. 889-892
  • Prave, A.R., Tale of three cratons: Tectonostratigraphic anatomy of the Damara orogen in northwestern Namibia and the assembly of Gondwana (1996) Geology, 24 (12), pp. 1115-1118
  • Preciozzi, F., Masquelin, H., Sánchez-Bettucci, L., Geología de la Porción sur del Cinturón Cuchilla de Dionisio (1993) Guía de Excursión del Primer Simposio Internacional del Neoproterozoico-Cámbrico de la Cuenca del Plata, pp. 1-39. , Montevideo
  • Ramos, V.A., Late Proterozoic-early Paleozoic of South America-a collisional history (1988) Episodes, 11 (3), pp. 168-174
  • Ramos, V.A., Vujovich, G., Mahlburg Kay, S., McDonough, M., La orogénesis de Greenville en las Sierras Pampeanas Occidentales: la Sierra de Pie de Palo y su integración al supercontinente proterozoico (1993) XII Congreso Geológico Argentino Actas, 3, pp. 343-357
  • Rapalini, A.E., Rapela, C.W., (1999) New Preliminary Paleomagnetic Data from Latest Proterozoic-Early Paleozoic Rocks from the Rio de la Plata Craton, 309. , International Union of Geodesy and Geophysics (IUGG-99), Birmingham, UK, Abstracts: A
  • Rapalini, A.E., Astini, R.A., Conti, C.M., Paleomagnetic constraints on the tectonic evolution of Paleozoic suspect terranes from southern South America (1999) Laurentia-Gondwana Connections Before Pangea, 336, pp. 171-182. , Keppie, D., Ramos, V. (Eds.), (Special Paper). Geological Society of America
  • Rapela, C.W., Pankhurst, R.J., Casquet, C., Baldo, E., Saavedra, J., Galindo, C., Fanning, C.M., The Pampean orogeny of the southern proto-Andes: Camrian continental collision in the Sierras de Córdoba (1998) The Proto-Andean Margin of Gondwana, 142, pp. 181-217. , Pankhurst, R.J., Rapela, C.W. (Eds.), (Special Publications). Geological Society of London
  • Rogers, J.J.W., Unrug, R., Sultan, M., Tectonic assembly of Gondwana (1995) J. Geodyn., 19 (1), pp. 1-34
  • Sánchez-Bettucci, L., Los Basaltos postorogénicos de la Región Piriápolis-Pan de Azúcar, República Oriental del Uruguay. Revista. de. la. Asociación (1997) Geológica, 52, pp. 3-16. , Argentina
  • Sánchez-Bettucci, L., Linares, E., Primeras edades Potasio-Argón en basaltos del Complejo Sierra de Las Animas, Uruguay (1996) XIII Congreso Geológico Argentino y III Congreso de Exploración de Hidrocarburos, pp. 399-404. , Actas, I
  • Sánchez-Bettucci, L., Pazos, P., Análisis paleoambiental y marco tectónico en la cuenca Playa Verde, Piriapolis, Uruguay (1996) XIII Congreso Geológico Argentino y III Congreso de Exploración de Hidrocarburos, pp. 405-412. , Actas, I
  • Saradeth, S., Soffel, H.C., Horn, P., Muller-Sohnius, D., Schult, A., Upper Proterozoic and Phanerozoic pole positions and potassium-argon (K-Ar) ages from the East Sahara craton (1989) Geophys. J., 97, pp. 209-221
  • Schmidt, P.W., Williams, G.E., Paleomagnetism of the ejecta-bearing Bunyeroo Formation, late Neoproterozoic, Adelaide fold belt, and the age of the Acraman impact (1996) Earth Planet Sci. Lett., 144, pp. 347-357
  • Smethurst, M.A., Khramov, A.N., Pisarevsky, S., Palaeomagnetism of the lower Ordovician Orthoceras Limestone, St. Petersburg, and a revised drift history for Baltica in the early Paleozoic (1998) Geophys. J. Int., 133, pp. 44-56
  • Sohl, L.E., Christie-Blick, N., Kent, D.V., Paleomagnetic polarity reversals in Marinoan (ca. 600 Ma) glacial deposits of Australia: Implications for the duration of low-latitude glaciation in Neoproterozoic time (2000) Geol. Soc. Am. Bull., 111 (8), pp. 1120-1139
  • Symons, D.T.A., Chaisson, A.D., Paleomagnetism of the Callander complex and the Cambrina apparent polar wander path for North America (1991) Can. J. Earth Sci., 28, pp. 355-363
  • Tanczyk, E.I., Lapointe, P., Morris, W.A., Schmidt, P.W., A paleomagnetic study of the layered mafic intrusion at Sept-Iles (1987) Quebec. Can. J. Earth Sci., 24, pp. 1431-1438
  • Torsvik, T., Meert, J.G., Smethurst, M.A., Polar wander and the Cambrian (1998) Science, 279, p. 9. , comment
  • Torsvik, T.H., Rehnstrom, E.F., Cambrian Palaeomagnetic data from Baltica: Implications for true polar wander and Cambrian Palaeogeography (2001) J. Geol. Soc., 158, pp. 321-329
  • Trompette, R., Neoproterozoic (∼600 Ma) aggregation of Western Gondwana: A tentative scenario (1997) Precambrian Res., 82, pp. 101-112
  • Trompette, R., Gondwana evolution, its assembly at around 600 Ma (2000) Earth Planet Sci., 330, pp. 305-315
  • Unrug, R., Rodinia to Gondwana; the geodynamic map of Gondwana supercontinent assembly (1997) GSA Today, 7, pp. 1-6
  • Villeneuve, M., Corneé, J.J., Structure, evolution and paleogeography of the West African craton and bordering belts during the Neoproterozoic (1994) Precambrian Res, 69, pp. 307-326
  • Weil, A.B., Van der Voo, R., Mac Niocall, C., Meert, J.G., The Proterozoic supercontinent Rodinia: Paleomagnetically derived reconstructions for 1100-800 Ma (1998) Earth Planet Sci. Lett., 154, pp. 13-24
  • Wilde, S.A., Youseff, K., Significance of SHRIMP dating of the Imperial porphyry and associated Dokhan volcanics, Gebel Dokhan, northeastern desert, Egypt (2000) J. African Earth Sci, 31, pp. 403-413
  • Zijderveld, J.D.A., A.C. demagnetization of rocks (1967) Methods in Paleomagnetism, , Collinson, D.W., Creer, K.M., Runcorn, S.K. (Eds.). Elsevier, New York

Citas:

---------- APA ----------
Sánchez-Bettucci, L. & Rapalini, A.E. (2002) . Paleomagnetism of the Sierra de Las Animas Complex, Southern Uruguay: Its implications in the assembly of Western Gondwana. Precambrian Research, 118(3-4), 243-265.
http://dx.doi.org/10.1016/S0301-9268(02)00114-6
---------- CHICAGO ----------
Sánchez-Bettucci, L., Rapalini, A.E. "Paleomagnetism of the Sierra de Las Animas Complex, Southern Uruguay: Its implications in the assembly of Western Gondwana" . Precambrian Research 118, no. 3-4 (2002) : 243-265.
http://dx.doi.org/10.1016/S0301-9268(02)00114-6
---------- MLA ----------
Sánchez-Bettucci, L., Rapalini, A.E. "Paleomagnetism of the Sierra de Las Animas Complex, Southern Uruguay: Its implications in the assembly of Western Gondwana" . Precambrian Research, vol. 118, no. 3-4, 2002, pp. 243-265.
http://dx.doi.org/10.1016/S0301-9268(02)00114-6
---------- VANCOUVER ----------
Sánchez-Bettucci, L., Rapalini, A.E. Paleomagnetism of the Sierra de Las Animas Complex, Southern Uruguay: Its implications in the assembly of Western Gondwana. Precambrian Res. 2002;118(3-4):243-265.
http://dx.doi.org/10.1016/S0301-9268(02)00114-6