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LOT 1784
Natural History - Mastodon Fossil Tusk Carving
PLIOCENE PERIOD, 5.2-2.5 MILLION YEARS B.P.
2 3/8 in. (81 grams, 60 mm).
A fossil mastodon tusk with later carved stylised face. [No Reserve]
ProvenanceAcquired 1980s.
London, UK, collection.
Property of a Sussex, UK, teacher.
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AUCTIONS:
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Natural History - Polished Baltic Amber with Large Diptera Fly
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £121
A good sized polished block of Baltic amber with multiple inclusions including a large Diptera insect. 7.56 grams, 63 mm
Fine condition.
From the Baltic Sea coast, Primorskoje mine, Kaliningrad. English collection formed in the 1990s. UK art market. Property of an Essex gentleman. Accompanied by an illustrated identification card with provenance. -
Natural History - Polished Amber with Cadis Fly Inclusion
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £85
A polished specimen of amber displaying a fly inclusion. 3.24 grams, 51 mm
From the Baltic Sea Coast, Primorskoje mine, Kaliningrad. From an Essex, UK, collection. Accompanied by an illustrated identification card with collection number 3218. -
Natural History - Knightia Fossil Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £39
A Knightia alta fossil fish in matrix. 277 grams, 13 x 9.5 cm
From Wyoming, Green River Formation, U.S.A. Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
Seasonally, some 56 million years ago, in the Green River Region of Wyoming, torrential rains fell on the mountains. The rain flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes evaporated (similar to certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle happened 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 their fossils.
