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LOT 2410
Natural History - Polished Fossil Goniatite Group
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P.
1 1/8 in. (65 grams total, 29-31 mm).
Comprising three polished, dome-shaped buttons, each with a central Goniatite sp. specimen; supplied with a display stand. [3, No Reserve]
ProvenanceFrom the Atlas Mountains of Morocco, North Africa.
From a Lincolnshire, UK, collection.
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AUCTIONS:
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Natural History - Knightia Fossil Fish Group
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £26
Comprising three Knightia alta specimens, each on a round matrix. 140 grams total, 74-82 mm
From Wyoming (Green River Formation), USA. 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. -
Natural History - Fossil Fly and Insect Group
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £13
Comprising three matrices with fossil flies together with a fossil crane fly. 82 grams total, 37- 82 mm
From Wyoming (Green River Formation), Uintah County, Utah, USA. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Mixed Cut and Polished Agate Crystal Geode Half Group
Sold for (Inc. bp): £39
Each displaying banding in various colours and crystal filled cavities. 786 grams total, 73-80 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
