The age of the meteorite is estimated to be 4.5 billion years old, formed as part of the development of our solar system. Small pieces of meteorite in various sizes and shapes Genuine Meteorite chunks from Campo Del Cielo, Argentina Metal composition 6.67 Ni, 0.43 Co. The largest crater is 250 feet (75 metres) its rim stands 3 feet (1 metre) above the surrounding land. These craters were attributed in 1933 to meteoritic origin. The largest fragment, consisting of 37 tonnes, is the second heaviest single-piece meteorite recovered on Earth, after the Hoba meteorite. Campo del Cielo craters, group of small craters in the Gran Chaco region, near the hamlet of Campo del Cielo, north-central Argentina. The total weight of the pieces so far recovered exceeds 100 tonnes, making the meteorite the heaviest one ever recovered on Earth. La masse totale des fragments récupérés dépasse 100 t, faisant du Campo del Cielo lune des plus grosses météorites trouvées à la surface de la Terre. The craters and the area around contain numerous fragments of an iron meteorite. The craters, containing iron masses, were reported in 1576, but were already well known to the aboriginal inhabitants of the area. The craters' age is estimated as 4,000–5,000 years. The crater field covers an area of 3×20 kilometers and contains at least 26 craters, the largest being 115×91 meters. The Campo del Cielo refers to a group of iron meteorites or to the area where they were found situated on the border between the provinces of Chaco and Santiago del Estero, 1,000 kilometers (620 mi) northwest of Buenos Aires, Argentina.
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