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LOT 2421
Polished Fossil Orthoceras Bowl
DEVONIAN PERIOD, CIRCA 400 MILLION YEARS B.P.
4 7/8 in. (242 grams, 12.4 cm).
Shallow, rounded profile, carved from fossiliferous stone [No Reserve]
ProvenanceFrom Morocco.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Massive Cave Stalagmite Section
Sold for (Inc. bp): £7
A colossal cut section of cream-coloured stalagmite showing natural ripples. 66.7 kg, 90 cm
Previously from a Hong Kong collection. Ex property of a London, UK, gentleman, 1990s.
A stalagmite, is an upward-growing mound of mineral deposits growing on the floor of a cave due to accumulation of material deposited from ceiling drippings. They are typically formed by the deposition of calcium carbonate and other minerals, which is precipitated from mineralised water solutions. Limestone is the chief form of calcium carbonate rock which is dissolved by water that contains carbon dioxide, forming a calcium bicarbonate solution in underground caverns. -
Australian Fossil Insect Cocoon Pair
Holocene Period, from 11,700 B.P.Sold for (Inc. bp): £20
Two insect cocoons from Leptopius duponti, each with a characteristic opening. 121 grams total, 53-57 mm
From Australia. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Fossil Perisphinctes Ammonite
Jurassic Period, circa 174-145 million years B.P.Sold for (Inc. bp): £33
Perisphinctids indogermanus fossil ammonite showing clear ribbing. 130 grams, 85 mm
From Madagascar. From a Lincolnshire, UK, collection.
