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LOT 2540
Woolly Mammoth Tooth
PLEISTOCENE PERIOD, CIRCA 40,000-11,700 YEARS B.P.
5 1/8 in. (1.18 kg, 13 cm wide).
A complete Mammuthus primigenius tooth. [No Reserve]
ProvenanceFrom the North Sea.
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
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AUCTIONS:
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Polished Fossil Ammonite Plate
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £169
A circular composite plate of overlapping Cleoniceras sp. ammonites. 781 grams, 240 mm
From a Lincolnshire, UK, collection. -
Australian Opal Cabochon Group
Sold for (Inc. bp): £33
Comprising three polished milky opal specimens showing play of colour. 1.93 grams total, 12-14 mm
Acquired on the UK art market before 2000. Property of an Essex, UK, gentleman. -
Wyoming Fossil Knightia Fish
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £26
Knightia alta specimen on a rectangular matrix. 439 grams, 15.5 cm
Ex AA Shop, Windsor, UK; and Donaldson 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.
