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LOT 2407
Natural History - Campo del Cielo Meteorite Group
FELL 6000-5000 YEARS B.P.
3/4 in. (4.3 grams total, 18-20 mm).
Two nickel iron (IAB) meteorites with irregular surfaces and a composition of 92.9% iron, 6.7% nickel. [2, No Reserve]
ProvenanceDiscovered 1576 A.D., Chaco Province, Argentina.
Ex German dealer 2018.
UK private collection.
Accompanied by a previous dealer's identification card.
See Graham, Bevan and Hutchison ed., Catalogue of Meteorites, Natural History Museum, 1985, p.88, for details of this fall.
FootnotesA crater field of roughly 26 craters was found in the vicinity of this crater, which is estimated to date to 4-5 thousand years BP. The age of the meteorite itself is thought to be c.4.5 billion years, formed as part of the development of this solar system. The largest two fragments, the 30.8 ton Gancedo and 28.8 ton El Chaco, are among the heaviest meteorite masses ever recovered on Earth. In 1576, the governor of a province in Northern Argentina commissioned the military to search for a large mass of iron, which it was believed local people claimed had fallen from the sky and which they used for their weapon production. The expedition discovered a large mass of metal which was assumed to be an iron mine and brought back a few samples, which were described as being of unusual purity. Following the legends, in 1774 Don Bartolomé Francisco de Maguna rediscovered the iron mass. He himself did not believe that the stone had fallen from the sky and assumed that it had formed by a volcanic eruption. However, he sent the samples to the Royal Society of London. In 1990 it became protected by law.
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AUCTIONS:
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Natural History - Sporadoceras Goniatite Display
Upper Devonian Period, 385-359 million years B.P.Sold for (Inc. bp): £34
Free-standing and polished through the shell to reveal the calcite preserved inside, showing the dividing gas chambers. 299 grams, 10.3 cm
From the Atlas Mountains, Morocco, North Africa. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
Natural History - Campo del Cielo Meteorite Group
Fell 6000-5000 years B.P.Sold for (Inc. bp): £52
A trio of differently sized nickel iron (IAB) meteorites with a composition of 92.9% iron, 6.7% nickel. 5.95 grams total, 14-15 mm
Discovered 1576 A.D., Chaco Province, Argentina. Ex German dealer 2018. UK private collection.
A crater field of roughly 26 craters was found in the vicinity of this crater, which is estimated to date to 4-5 thousand years BP. The age of the meteorite itself is thought to be c.4.5 billion years, formed as part of the development of this solar system. The largest two fragments, the 30.8 ton Gancedo and 28.8 ton El Chaco, are among the heaviest meteorite masses ever recovered on Earth. In 1576, the governor of a province in Northern Argentina commissioned the military to search for a large mass of iron, which it was believed local people claimed had fallen from the sky and which they used for their weapon production. The expedition discovered a large mass of metal which was assumed to be an iron mine and brought back a few samples, which were described as being of unusual purity. Following the legends, in 1774 Don Bartolomé Francisco de Maguna rediscovered the iron mass. He himself did not believe that the stone had fallen from the sky and assumed that it had formed by a volcanic eruption. However, he sent the samples to the Royal Society of London. In 1990 it became protected by law. -
Natural History - Fossil Tree Trunk Section
Late Triassic Period, circa 225 million years B.P.Sold for (Inc. bp): £20
Cut and polished to reveal the internal structure; freestanding. 779 grams, 10.4 cm
From a Cambridgeshire, UK, collection.
