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LOT 1840
Natural History - Historic Graphite Mineral Specimen
2 3/8 in. (183 grams total, 59 mm).
Comprising a number of steel grey masses on a host rock; supplied in a display box. [No Reserve]
ProvenanceCollected in person from various parts of the world mainly between 1957-1966.
From the private mineral collection of Stephen Atkinson, Harpenden, UK.
Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
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AUCTIONS:
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Natural History - Utahraptor Killing Claw Replica
Sold for (Inc. bp): £39
A museum-quality reproduction of a killing claw from a dromaeosaurid dinosaur. 79 grams, 16 cm
From an old Lincolnshire, UK, collection. -
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Natural History - Large Multi Fossil Fish Plate
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £338
The large sandstone matrix with five Knightia alta specimens. 8.25 kg, 50.5 x 38 cm
From a Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah) in the Green River Formation are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Ulinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time. -
Natural History - Fossil Mosasaur 'Marine Dinosaur' Teeth and Fish Bones on Matrix
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £7
Comprising three matrices, one with a single tooth; one with a single tooth and various fish bones; one with a number of Mosasaur prognathodon teeth and fish bones. 477 grams total, 4.6-10.5 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
