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LOT 2464
Natural History - Fossil Mesacristata Trilobite
DEVONIAN PERIOD, 417-354 MILLION YEARS B.P.
3 3/8 in. (307 grams, 84 mm).
On a matrix, Hollardops mesacristata. [No Reserve]
ProvenanceFrom the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco.
From an old Oxfordshire, UK, fossil and mineral collection.
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AUCTIONS:
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Natural History - Knightia Fossil Fish Plate
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £104
The rectangular matrix containing four Knightia alta sp. fish. 955 grams, 24.2 cm
From the Green River Formation, Wyoming, USA. 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. -
Natural History - Meteorite Dust from NWA Meteorites in Display Vial
Sold for (Inc. bp): £52
The sandy coloured dust held in a small glass vial with screw-cap. 4.7 grams total, 24 mm
From the Sahara Desert, North Africa. Property of a Sussex, UK, teacher. -
Natural History - NWA 869 L6 Chondrite Meteorite in Gem Case
Sold for (Inc. bp): £26
An amorphous NWA 869 L6 chondrite meteorite displayed in a collector's case. 6.59 grams total, 32 mm including case
From the Sahara Desert, North Africa. Property of a Sussex, UK, teacher.
