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LOT 1942
Natural History - North American Fossil Fern Nodule
CARBONIFEROUS PERIOD, CIRCA 360-286 MILLION YEARS B.P.
2 5/8 - 3 in. (55 grams total, 67-76 mm).
The oval-shaped nodule split in half to reveal the positive and negative impression of the fern fossil. [2, No Reserve]
ProvenanceFrom Mazon Creek, U.S.A.
From a Gloucestershire, UK, collection.
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AUCTIONS:
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Natural History - Cut and Polished Fossil Ammonite
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £46
Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers, some iridescence to outer surfaces. 220 grams, 95 mm each
From Madagascar. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Complete Fossil Ammonite
Jurassic Period, 199-145 million years B.P.Sold for (Inc. bp): £46
Perisphinctes sp. with much of the original shell material remaining, in old white card tray with old label reading: 'AMMONITE Perisphinctes sp., Mid Jurassic Age (approx. 170 million years old), Madagascar'. 175 grams, 70 mm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Campo Del Cielo Iron Meteorite Pair
Fell 6000-5000 years B.P.Sold for (Inc. bp): £65
Comprising two iron Campo Del Cielo (IAB) meteorites. 3.7 grams total, 10-11 mm
From Chaco Province, Argentina, found 1576. Property of an East Sussex, UK, gentleman.
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 the 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.
