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LOT 2797
Natural History - Large Historic 'Cornwall, England' Granite Mineral Specimen
6 7/8 in. (2.26 kg, 17.6 cm).
Displaying greyish white, white, black, and pale bluish grey colours, coarse-to fine-grained structure, collection number 85. [No Reserve]
ProvenanceAcquired on the UK mineral and fossil market, since 1970.
From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent.
Accompanied by an original historic index file card.
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AUCTIONS:
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LOT 2797
Natural History - Large Historic 'Cornwall, England' Granite Mineral Specimen
Sold for (Inc. bp): £13
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Natural History - Fossil Mosasaur 'Marine Dinosaur' Tooth on Matrix
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £39
Showing the tooth and a good portion of the root. 306 grams, 13.7 cm
From a Cambridgeshire, UK, collection. -
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Natural History - Polished Goniatite Jewellery Box
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £72
A rectangular lidded jewellery or trinket box, polished and cut from a single block containing multiple Goniatite sp. and other fossil specimens. 646 grams, 12.6 x 7.3 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection. -
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Natural History - Knightia Fossil Fish Plate
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £78
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.
