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LOT 2721
Meteorite Crater Tektite Specimen Collection [6]
1 1/8 - 1 7/8 in. (170 grams total, 29-47 mm).
Pebble-like black specimens of meteoric glass of various shapes and sizes. [6, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2721
Meteorite Crater Tektite Specimen Collection [6]
Sold for (Inc. bp): £72
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Fossil Green River Fish
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £39
Comprising three rounded matrices, each with a Knightia alta specimen. 220 grams total, 87-92 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. -
Polished Fossil Orthoceras Column
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £845
Comprising variously sized polished Orthoceras sp. specimens on a textured freestanding matrix 1.48 kg, 24.2 cm
From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection. -
Dactylioceras Fossil Ammonites
Lower Jurassic Period, circa 180 million years B.P.Sold for (Inc. bp): £52
A matrix containing multiple fossils and two clear Dactylioceras specimens. 140 grams, 90 mm
From Germany. From a Cambridgeshire, UK, collection.
