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- Meteorite: Iron meteorite, minimum size 0.4x0.4 inch (10x10mm) found in Argentina
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Campo del cielo (iron meteorite IA), Gran Chaco, Argentina
Location: Chaco, Gran Chaco Gualamba Argentina
Co-ordinates: 27°28'S, 60°35'W
Date of find: 1576/2000
Total known weight: 50,000kg (approx)
Number of pieces: Many shower
Type : Iron, IA Octahedrite, coarse (3.0mm) with silicate inclusions.
A large mass estimated at about 15 tons was found, Don Rubin de Celis, Phil. Trans. Roy. Soc. London, 1788, 78, p.37, 183, L.Fletcher, Min. Mag., 1889, 8, p.229. In 1813 a mass of about 1400lb was brought to Buenos Aires and was later given to Sir Woodbine Parish who presented it to the Nat. Hist. Mus. London, Phil. Trans. Roy. Soc. London, 1834, 125, p.53. Full description, E.Cohen, Meteoritenkunde, 1905, 3, p.35. Wöhler's Iron, a 114g mass from an unknown locality in Wöhler's collection, was referred to Otumpa by A.Brezina. Described and analyzed, 7.38% Ni, F.Wöhler, Ann. Chem. Pharm. Leipzig, 1852, 81, p.252.
Locality description, A.Alvarez, El Meteorito del Chaco, Buenos Aires, 1926, 149, p.1055. The large mass found by Don Rubin de Celis in 1783 appears to have been recorded by Hernan Mexia de Miraval as early as 1576. The mass of about 1000kg, of which the 1400lb mass in the Nat. Hist. Mus. London is the greater part, was found in 1803 at Runa Pocito, Campo del Cielo, Santiago del Estero. Some pieces of this mass have been heated and forged, V.F.Buchwald, Handbook of Iron Meteorites, Univ. Of California, 1975, p.373. Many other masses have been found in the Campo del Cielo near the boundary between Santiago del Estero and Chaco Nacional.