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Meteoritos españoles del Museo Nacional de Ciencias

AuthorsGarcía-Guinea, Javier CSIC ORCID ; Martín Escorza, Carlos CSIC; Fernández Hernán, M.; Sánchez Muñoz, Luis CSIC ORCID; Correcher, Virgilio; Sánchez Chillón, Begoña CSIC ORCID; Tormo, Laura CSIC
Issue Date30-Dec-2006
CitationEstudios Geológicos, 62 (1):11-30 (2006)
AbstractAims of this work are to collect relevant historical data on Spanish meteorites together with the recent data provided by novelties which are being generated from the important meteorite fall of Villalbeto (Palencia at 2004, January, 4th.). Here are also included new observations performed by ESEM (Environmental Scanning Electron Microscopy) in the Spanish Museo Nacional de Ciencias Naturales of Madrid (MNCN), new private information and new field observations together with original pictures of the Villalbeto fragments. The impressive fireball of January 4, 2004 was an important geological phenomenon escorted by audible booms, colour, a persistent path of 30 minutes and a production of more than 32 known fragments. The initial entrance magnitude mass was independently determined by photometric, seismic, infrasound and radioisotopes data matching on 750 kg, size less than 1 m of diameter, and 60 000 km/h in the entrance time. A massive fragmentation occurred at a height of 28 km produced a meteorite strewn field of 20x6 km in the northern of Palencia.
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