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LOT 1952
Natural History - Polished Orthoceras Fossil Tower
DEVONIAN PERIOD, CIRCA 370 MILLION YEARS B.P.
12 /4 in. (3.1 kg, 31 cm high).
A free-standing pillar of seven polished Orthoceras fossils. [No Reserve]
ProvenanceFrom the Atlas Mountains, Morocco, North Africa.
From an old Bristol paleontological collection.
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AUCTIONS:
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LOT 1952
Natural History - Polished Orthoceras Fossil Tower
Sold for (Inc. bp): £39
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Natural History - Cut and Polished Fossil Ammonite
Jurassic Period, 199-145 million years B.P.Sold for (Inc. bp): £46
A pair of cut and polished fossil ammonite halves, each displaying the gas chambers; possibly Cleoniceras sp. 172 grams total, 95-97 mm
From Madagascar. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Amethyst Crystal Section
Sold for (Inc. bp): £33
A section of amethyst geode displaying some large purple crystals. 677 grams, 85 mm
From Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Mioplosus Fossil Fish in Matrix
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £72
A rectangular sedimentary matrix displaying a Mioplosus sp. fossil fish. 937 grams, 17.8 x 13 cm
Ex 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.
