Artículo

Orgeira, M.J.; Castro, L.N.; Goldmann, G.A.; Prezzi, C.B.; Sileo, E.; Vega, D.R.; Franzosi, C.; Acevedo, R.D.; Martínez, O.; Rabassa, J.; Ponce, J.F.; Tófalo, O.R. "Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina" (2017) Geoscience Frontiers. 8(1):137-149
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:

The Quaternary infilling of a circular structure located in Bajada del Diablo, Chubut Province, Argentina has been proposed as a crater strewn field in previous studies. Here we report the finding of about 65 microspherules collected in a trench excavated in the center of the structure. The majority of hand-picked specimens are single, but some of them exhibit compound forms. The single specimens are spherical with a mean size of 137 μm, whereas the more complex samples show peduncles and drop shapes. Dendritic crystal growth is recognized in the internal structure of some broken microspherules. Preliminary chemical composition from the surface and center of microspherules was determined by energy dispersive spectrometry employing EDS. Quantitative EMPA and XRD analysis indicate that the microspherules are mainly composed of Fe and O with magnetite, Fe0 with subordinate wüstite. Following consideration of possible anthropogenic and volcanic origins, these spherulites are ascribed to an extraterrestrial input. An accumulation rate of 47 microspherules per m2/yr is estimated for the studied sediments. This value is two orders of magnitude higher than the reference flux for cosmic dust estimated for the last 1 Ma in the Transantarctic Mountains. The microspherules might have been generated as a byproduct of asteroid entry in the atmosphere. © 2016 China University of Geosciences (Beijing) and Peking University

Registro:

Documento: Artículo
Título:Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina
Autor:Orgeira, M.J.; Castro, L.N.; Goldmann, G.A.; Prezzi, C.B.; Sileo, E.; Vega, D.R.; Franzosi, C.; Acevedo, R.D.; Martínez, O.; Rabassa, J.; Ponce, J.F.; Tófalo, O.R.
Filiación:Departamento de Ciencias Geológicas-IGEBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, Buenos Aires, C1428EHA, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina, CONICET, Argentina
Departamento de Ingeniería Agrícola y Uso de la Tierra, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, Buenos Aires, C1417DSE, Argentina
INQUIMAE, Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón II, Ciudad Universitaria, Buenos Aires, C1428EHA, Argentina
Gerencia de Investigación y Aplicaciones, Comisión Nacional de Energía Atómica, Universidad Nacional General San Martín, Buenos Aires, Argentina
Centro Austral de Investigaciones Científicas, CADIC-Conicet, Ushuaia, Argentina
Universidad Nacional de la Patagonia “San Juan Bosco” Sede EsquelChubut, Argentina
Universidad Nacional de la Patagonia “San Juan Bosco” Sede Ushuaia, Ushuaia, Argentina
Palabras clave:Bajada del Diablo; Chemistry; Chubut; Extraterrestrial microspherules; Patagonia-Argentina; asteroid; chemical composition; chemistry; magnetite; spherulite; Antarctica; Argentina; Chubut; Patagonia; Transantarctic Mountains
Año:2017
Volumen:8
Número:1
Página de inicio:137
Página de fin:149
DOI: http://dx.doi.org/10.1016/j.gsf.2016.01.004
Título revista:Geoscience Frontiers
Título revista abreviado:Geosci. Front.
ISSN:16749871
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16749871_v8_n1_p137_Orgeira

Referencias:

  • Acevedo, R.D., Ponce, J.F., Rocca, M., Rabassa, J., Corbella, H., Bajada del Diablo impact crater-strewn field: the largest crater field in the Southern Hemisphere (2009) Geomorphology, 110 (3-4), pp. 58-67
  • Acevedo, R.D., Rabassa, J., Ponce, J.F., Martínez, O., Orgeira, M.J., Prezzi, C., Corbella, H., Vásquez, C., The Bajada del Diablo astrobleme-strewn field, central Patagonia Argentina: extending the exploration to surrounding areas (2012) Geomorphology, 169, pp. 151-164
  • Alonso-Zarza, A.M., Wright, V.P., Calcretes (2010) Carbonates in Continental Settings: Facies, Environments, and Processes. Developments in Sedimentology, 61, pp. 225-268. , A.M. Alonzo-Zarza L.H. Tanner
  • Ardolino, A.A., El vulcanismo cenozoico del borde suroccidental de la meseta de Somún Curá, provincia del Chubut (1981) Proc. 7 Congreso Geológico Argentino, 3, pp. 7-23. , Buenos Aires. (in Spanish)
  • Ardolino, A.A., Descripción Geológica de la Hoja 42f. Sierra de Apas, Provincia de Chubut (1987), Servicio Geológico Nacional. Dirección Nacional de Minería y Geología Buenos Aires 91 pp (in Spanish); Ardolino, A.A., Franchi, M., Hoja Geológica 4366–1. Telsen (1996), Dirección Nacional del Servicio Geológico, Subsecretaría de Minería de la Nación Buenos Aires Boletín 215. 110 pp (in Spanish); Bi, D., Morton, R.D., Wang, K., Cosmic nickel-iron alloy spherules from Pleistocene sediments, Alberta, Canada (1993) Geochimica et Cosmochimica Acta, 5716, pp. 4129-4136
  • Blanchard, M.B., Brownlee, D.E., Bunch, T.E., Hodge, P.W., Kyte, F.T., Meteor ablation spheres from deep-sea sediments (1978) NASA Technical Memorandum, 78510. , 41 pp
  • Bouza, P.J., Génesis de las acumulaciones de carbonatos en Aridisoles nordpatagónicos: su significado paleopedológico (2012) Revista de la Asociación Geológica Argentina, 69 (2), pp. 300-315. , (in Spanish with English abstract)
  • Carracedo Sánchez, M., Sarrionandia, F., Arostegui, J., Gil Ibarguchi, J.I., Silicate glass micro and nanospherules generated in explosive eruptions of ultrabasic magmas: implications for the origin of pelletal lapilli (2015) Journal of Volcanology and Geothermal Research, 293, pp. 13-24
  • Collins, G.S., Melosh, H.J., Marcus, R.A., Earth impact effects program: a web-based computer program for calculating the regional environmental consequences of a meteoroid impact on Earth (2005) Meteoritics & Planetary Science, 406, pp. 817-840
  • Dunlop, D.J., Özdemir, O., Rock Magnetism: Fundamentals and Frontiers (1997), Cambridge University Press Cambridge, U.K. 565 pp; Evans, M., Heller, F., Environmental Magnetism: Principles and Applications of Environmagnetics (2003), Academic Press Chapter 10(86), 299 pp; Folco, L., D'Orazio, M., Fazio, A., Cordier, C., Zeoli, A., Ginneken, M., El-Barkooky, A., Microscopic impactor debris in the soil around Kamil crater (Egypt): inventory, distribution, total mass, and implications for the impact scenario (2015) Meteoritics & Planetary Science, 50 (3), pp. 382-400
  • Folco, L., Di Martino, M., El Barkooky, A., D'Orazio, M., Lethy, A., Urbini, S., Nicolosi, I., El Sharkawi, M., Kamil crater Egypt: ground truth for small-scale meteorite impacts on Earth (2011) Geology, 392, pp. 179-182
  • French, B.M., Traces of Catastrophe: a Handbook of Shock-metamorphic Effects in Terrestrial Meteorite Impact Structures. LPI Contribution No. 954 (1998), Lunar and Planetary Institute Houston 120 pp; French, B.M., Koeberl, C., The convincing identification of terrestrial meteorite impact structures: what works, what doesn't, and why (2010) Earth-Science Reviews, 981, pp. 123-170
  • Genge, M.J., Grady, M.M., The fusion crusts of stony meteorites: implications for the atmospheric reprocessing of extraterrestrial materials (1999) Meteoritics & Planetary Science, 343, pp. 341-356
  • Genge, M.J., Engrand, C., Gounelle, M., Taylor, S., The classification of micrometeorites (2008) Meteoritics & Planetary Science, 433, pp. 497-515
  • Glass, B.P., Simonson, B.M., Distal impact ejecta layers: spherules and more (2012) Elements, 81, pp. 43-48
  • González Díaz, E., Malagnino, E.C., Geomorfología (1984) Relatorio IX Congreso Geológico Argentino. Buenos Aires, pp. 347-364. , (in Spanish)
  • Grieve, R.A.F., Pilkington, M., The signature of terrestrial impacts (1996) AGSO Journal of Australian Geology and Geophysics, 164, pp. 399-420
  • Guaita, C., Martegani, F., Cosmic microsphere: a SEM study (2008) Memorie della Societa Astronomica Italiana Supplementi, 12, p. 110
  • Gurov, E.P., Gurova, E.P., The group of Macha craters in western Yakutia (1998) Planetary and Space Science, 462, pp. 323-328
  • Hay, R.L., Wiggins, B., Pellets, ooids, sepiolite and silica in three calcretes of de southwestern United States (1980) Sedimentology, 27, pp. 559-576
  • Johnson, B.C., Melosh, H.J., Formation of spherules in impact produced vapor plumes (2012) Icarus, 2171, pp. 416-430
  • Johnson, B.C., Melosh, H.J., Formation of melt droplets, melt fragments, and accretionary impact lapilli during a hypervelocity impact (2014) Icarus, 228, pp. 347-363
  • Maher, B.A., Thompson, R., Hounlow, M.W., (1999) Quaternary Climates, Environments and Magnetism, (Chapter 1), , B.A. Maher R. Thompson Cambridge University Press 390 pp
  • Marini, F., Raukas, A., Tiirmaa, R., Magnetic fines from the Kaali impact-site (Holocene, Estonia): Preliminary SEM investigation (2004) Geochemical Journal, 38 (2), pp. 107-120
  • Narayan, D., Tandon, S., Calcrete conglomerate, case - hardened conglomérate and cornstone, Siwalik Group, Punjab, India (1981) Sedimentology, 28, pp. 353-367
  • Pike, R.J., Control of crater morphology by gravity and target type-Mars, Earth, Moon (1980) Proc. Lunar and Planetary Science Conference, 11, pp. 2159-2189
  • Prezzi, C., Orgeira, M.J., Acevedo, R.D., Ponce, J.F., Martínez, O., Rabassa, J., Corbella, H., Subías, I., Geophysical characterization of two circular structures at Bajada del Diablo Patagonia, Argentina: indication of impact origin (2012) Physics of the Earth and Planetary Interiors, 192-193, pp. 21-34
  • Prezzi, C., Orgeira, M.J., Acevedo, R., Ponce, F., Martínez, O., Sarnataro, A., Rabassa, J., Bajada del Diablo Circular Structures Chubut, Argentina: Ground Gravity, Magnetic and Electromagnetic Surveys (2013), Latinmag 3 Reunión Bienal de la Asociación Latinoamericana de Paleomagnetismo y Geomagnetismo Montevideo, Uruguay Latinmag Letters, 3: 3 2013, OA7, 1-6 (in Spanish with English abstract); Prezzi, C., Orgeira, M.J., Martinez, O., Acevedo, R.D., Ponce, F., Goldmann, G., Magneres, I., Rabassa, J., Circular structures of Bajada del Diablo Argentina: geophysical signature compatible with an impact origin (2016) Geophysical Journal International, 205 (2), pp. 876-899
  • Raukas, A., Distribution and composition of impact and extraterrestrial spherules in the Kaali area Island of Saaremaa, Estonia (2004) Geochemical Journal, 382, pp. 101-106
  • Rochette, P., Folco, L., Suavet, C., Van Ginneken, M., Gattacceca, J., Perchiazzi, N., Braucher, R., Harvey, R.P., Micrometeorites from the transantarctic mountains (2008) Proceedings of the National Academy of Sciences of the United States of America, 10547, pp. 18206-18211
  • Stankowski, W.T.J., Katrusiak, A., Budzianowski, A., Crystallographic variety of magnetic spherules from Pleistocene and Holocene sediments in the Northern foreland of Morasko-Meteorite Reserve (2006) Planetary and Space Science, 541, pp. 60-70
  • Taylor, S., Lever, J.H., Harvey, R.P., Numbers, types, and compositions of an unbiased collection of cosmic spherules (2000) Meteoritics & Planetary Science, 55, pp. 651-666
  • Valencio, D.A., Orgeira, M.J., Bobbio, M.L., Magnetoestratigraphy and magnetic susceptibility data of the late Cenozoic Ensenadense and Bonaerense of the cities of Buenos Aires and La Plata, central-eastern Argentina (1987) Quaternary of South America and Antartic Peninsula, 5, pp. 5-32
  • Voldman, G.G., Genge, M.J., Albanesi, G.L., Barnes, C.R., Ortega, G., Cosmic spherules from the Ordovician of Argentina (2013) Geological Journal, 482 (3), pp. 222-235
  • Wright, V., A rendzina from de Lower Carboniferous of South Wales (1983) Sedimentology, 30, pp. 159-179
  • Yada, T., Nakamura, T., Sekiya, M., Takaoka, N., Formation processes of magnetic spherules collected from deep-sea sediments-observations and numerical simulations of the orbital evolution (1996) Antarctic Meteorite Research, 9, p. 218

Citas:

---------- APA ----------
Orgeira, M.J., Castro, L.N., Goldmann, G.A., Prezzi, C.B., Sileo, E., Vega, D.R., Franzosi, C.,..., Tófalo, O.R. (2017) . Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina. Geoscience Frontiers, 8(1), 137-149.
http://dx.doi.org/10.1016/j.gsf.2016.01.004
---------- CHICAGO ----------
Orgeira, M.J., Castro, L.N., Goldmann, G.A., Prezzi, C.B., Sileo, E., Vega, D.R., et al. "Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina" . Geoscience Frontiers 8, no. 1 (2017) : 137-149.
http://dx.doi.org/10.1016/j.gsf.2016.01.004
---------- MLA ----------
Orgeira, M.J., Castro, L.N., Goldmann, G.A., Prezzi, C.B., Sileo, E., Vega, D.R., et al. "Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina" . Geoscience Frontiers, vol. 8, no. 1, 2017, pp. 137-149.
http://dx.doi.org/10.1016/j.gsf.2016.01.004
---------- VANCOUVER ----------
Orgeira, M.J., Castro, L.N., Goldmann, G.A., Prezzi, C.B., Sileo, E., Vega, D.R., et al. Extraterrestrial microspherules from Bajada del Diablo, Chubut, Argentina. Geosci. Front. 2017;8(1):137-149.
http://dx.doi.org/10.1016/j.gsf.2016.01.004