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LOT 1999
Natural History - Polished Fossil Orthoceras Book Ends
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P.
4 3/4 in. (2.08 kg total, 12 cm each).
Polished and cut from a single block containing multiple Orthoceras sp. and other fossil specimens. [2, No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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Natural History - Large Green Fuchsite Mineral Specimen Group [10]
Sold for (Inc. bp): £5
Comprising large irregular chunks of pale green chrome mica. 3.55 kg total, 10.6-15.5 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
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Natural History - Polished Aventurine Quartz Crystal Pebble Group [100]
Sold for (Inc. bp): £7
Of irregular sizes and shapes in light and darker green colour. 689 grams total, 23-32 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Knightia Fossil Fish
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £52
The Knightia alta specimen on a sandstone matrix with remains of another fish. 1 kg, 17.5 x 14.5 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.
