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Knightia Fossil Fish

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Knightia Fossil Fish
Item Details
Description
Eocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a matrix. 106 grams, 15 cm (6 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USA. Seasonally, some 58 million years ago, in the Green River region of Wyoming, torrential rains occurred in the mountains. The rain would flow down the mountain sides, forming wide, shallow lakes in the valley below. During the dry season, these lakes would dry up due to evaporation (similar to certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle recurred over a 20-thousand-year period. Layer upon layer of mud was deposited over these years, entombing huge numbers of fish. At a much later date volcanic activity uplifted this area to expose the fossil layers. [No Reserve]
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Knightia Fossil Fish

Estimate £40 - £60
Sep 09, 2022
See Sold Price
Starting Price £5
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Ships from Harwich, Essex, United Kingdom
TimeLine Auctions Ltd.
TimeLine Auctions Ltd.London, United Kingdom
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6367: Knightia Fossil Fish
Sold for £306 Bids
Est. £40 - £60Starting Price £5
TimeLine Auctions Antiquities Sale - Day 4
Sep 09, 2022 4:00 AM EDT
Buyer's Premium 35%
Lot 6367 Details
Description
...
Eocene Period, 58-36 million years B.P. A Knightia alta fossil fish in a matrix. 106 grams, 15 cm (6 in.). Green River region, Wyoming, USA. Acquired 1980s. Pradi collection, Boston, USA. Seasonally, some 58 million years ago, in the Green River region of Wyoming, torrential rains occurred in the mountains. The rain would flow down the mountain sides, forming wide, shallow lakes in the valley below. During the dry season, these lakes would dry up due to evaporation (similar to certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle recurred over a 20-thousand-year period. Layer upon layer of mud was deposited over these years, entombing huge numbers of fish. At a much later date volcanic activity uplifted this area to expose the fossil layers. [No Reserve]
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