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Imilac

Chile
Found in 1822
Pallasite, main group
Total mass > 1 ton

Specimen in collection :
8.3 g individual

The first stories of the discovery of this meteorite back to 1822. An Indian, Jose Maria Chaile, discovered fragments looking like metal in the far west of the Salar de Imilac. They were given in Buenos Aires to scientific representatives of the British Museum and of the Royal Scottish Museum. In January 1854, a teacher from Santiago, named Rodolfo Armando Philippi, went to the strewnfield with Chaile and picked up 678 pieces for a total mass of about 4.5 kilograms. The main mass of 198.1 kg was bought to an Indian by the British Museum in 1877.

The strewnfield is south-west of the small town of Imilac in the Atacama Desert. The first accurate map of the area has been published by Buchwald in 1975 in « Handbook of iron meteorites,their history, distribution, composition, and structure » after he visited the place in 1973. The ellipse is described by Buchwald as small, 200 by 400 meters surface in a north-west – south-east distribution.

More recent expeditions have shown that the strewnfield is of a much larger dimension and also  determined that three of low areas that can be observed on site are due to the fall of the meteorite.

Additional information

Provenance

  • Jim Cofman > Tomasz Jakubowski