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LOT 2300
Natural History - Fossilised Wood Section
TRIASSIC PERIOD, CIRCA 250-200 MILLION YEARS B.P.
6 3/4 in. (848 grams, 17 cm).
A section of fossilised wood with a polished face. [No Reserve]
ProvenanceFrom Madagascar.
Acquired 1950s-1960s.
From an old Bristol, UK, palaeontological collection.
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AUCTIONS:
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Natural History - Large Pink Dolomite Crystal Display Section Group [5]
Sold for (Inc. bp): £13
Comprising five cut sections with marcasite inclusions. 1.79 kg total, 9.6-12.5 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Knightia Fossil Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £72
Comprising the negative impression of Knightia alta specimen on a rectangular matrix with enhanced details. 198 grams, 11.8 cm
From Wyoming (Green River Formation), USA. Acquired during 1980s. From the Pradi Collection, Boston, USA.
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 - Amber with Insect Inclusion
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £46
Polished oval-shaped specimen with insect inclusion. 0.60 grams, 16.63 mm
From a North American collection. Property of an East Sussex, UK, gentleman.
