Iron Meteorite, Argentinia, Entry 4.000-6.000 years ago
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Description
Site of discovery: Campo del Cielo, Gran Chaco Gualamba, Argentinia
Crashed on earth: c. 4.000-6.000 years ago
Dimensions: c. 16.0 x 11.5 x 11.0 cm
Weight: c. 5.800 g
Very good condition
Well-preserved fragment of an iron meteorite with an interesting shape and surface; fragments of the Campo del Cielo meteorite were first discovered and documented in 1576
Meteorites are defined as fragments of asteroids and usually occur through collisions of their mother body. They contain the oldest material of our solar system, which both date back to c. 4.5 billion years.
The present meteorite fragment consists of 93% iron and 6.68% nickel. The remaining components are documented as follows: 0.43% cobalt, 0.25% phosphorus, 87 ppm gallium, germanium 407 ppm and 3.6 ppm iridium (ppm = 1 millionth part). The piece was found at the Campo del Cielo in Argentina, which is characterized by 122 pits and craters. The largest crater has a diameter of approximately 70 m, at a depth of about 5 m. The heaviest fragment discovered so far weighs between 30 to 50 tons. Thus, this meteorite and all its fragments are considered as the third largest in the world, rating after Hoba and Cape York.
The detection and classification of meteorites is a rather new discipline, practicable since the 20th century. Nevertheless, these items are comparable with historical Kunstkammer objects, when considering their countless unexplained secrets and theories still common today.
The fragment is in excellent condition. It measures c. 16.0 x 11.5 x 11.0 cm. The total weight is c. 5.800 grams. (cbo)
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