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LOT 2049
Natural History - Fossil Sea Urchin
CRETACEOUS PERIOD, CIRCA 100 MILLION YEARS B.P.
2 5/8 in. (163 grams, 67 mm).
Clypeus ploti forming a globular nodule. [No Reserve]
ProvenanceFrom Morocco, North Africa.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Natural History - Boxed Pyrite Crystal 'Paper Weight'
Sold for (Inc. bp): £13
With a cluster of larger crystals atop smaller crystal formations; in a labelled specimen tray. 182 grams, 53 mm
From Huanuco, Peru. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Cut & Polished Banded Fluorite Healing Wand
Sold for (Inc. bp): £20
Of hexagonal form, displaying green, purple and translucent bands, some rainbow reflections; repaired. 50 grams, 72 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Knightia Fossil Multi Fish Plate
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £72
The rounded sandstone matrix with three Knightia alta specimens. 141 grams, 12.4 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.
