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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 - Fossil Diplomystus Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £33
A negative impression of Diplomystus sp. specimen on a rectangular matrix. 441 grams, 15 cm
From Wyoming (Green River Formation), USA. From an old Bristol, 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 - Purple Quartz Crystal Nodule
Sold for (Inc. bp): £59
The rounded pebble split open to reveal the internal cavity filled with quartz crystals in enhanced purple colour. 105 grams total, 50 mm
From a Cambridgeshire, UK, collection. -
Natural History - Fossil Saxony Fern
Carboniferous Period, circa 345-280 million years B.P.Sold for (Inc. bp): £52
Showing good structure, on an irregular matrix. 376 grams, 10 cm
From Saxony, Germany. From a Cambridgeshire, UK, collection.
