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LOT 1899
Natural History - Fossil Knightia Fish and Fly in Matrix
EOCENE PERIOD, 56-33 MILLION YEARS B.P.
7 x 5 3/8 in. (708 grams, 18 x 13.5 cm).
On a square sandstone matrix. [No Reserve]
ProvenanceEx John Cummings, circa 2000.
Property of an Essex gentleman.
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.
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AUCTIONS:
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LOT 1899
Natural History - Fossil Knightia Fish and Fly in Matrix
Sold for (Inc. bp): £26
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Natural History - Fossil Icthyosaur 'Marine Dinosaur' Vertebra
Jurassic Period, circa 200-145 years B.P.Sold for (Inc. bp): £39
An Ichthyosaurus communis vertebra; supplied with a carboard specimen tray. 136 grams, 66 mm
From the Obtusum Zone, Lower Lias, Lower Jurassic, Charmouth, Lyme Regis, Dorset, England. Acquired during the 1980s. From an old Lincolnshire, UK, collection. -
Natural History - Mastodon Tusk Carving
Pliocene Period, circa 5.2-2.5 million years B.P.Sold for (Inc. bp): £52
With a later stylised face carving. 53 grams, 87 mm
From Island of Java. From an old Bristol, UK, collection. -
Natural History - Historic Baryte Mineral Specimen
Sold for (Inc. bp): £26
Comprising light blue tabular crystals forming an almost perfect triangle. 117 grams, 66 mm
From Nchanga, Zambia. Collected in person in 1974. 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.
