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LOT 2395
Knightia Multiple Fossil Fish Plate
EOCENE PERIOD, CIRCA 58-36 MILLION YEARS B.P.
5 3/8 in. (161 grams, 13.8 cm).
An oval plate with four Knightia alta specimens. [No Reserve]
ProvenanceFrom Wyoming, 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 Uinta, 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.
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AUCTIONS:
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LOT 2395
Knightia Multiple Fossil Fish Plate
Estimate £30 - 40€35 - 46 (for guidance only)$41 - 54 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
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Large Group of One Hundred [100] Amethyst Crystal Sections
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising mainly irregular geode sections with prismatic amethyst crystals. 2.19 kg total, 21-66 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Mixed Ireland, Scotland and English Crystal and Mineral Specimen Group
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising: quartz from Cloghmore Quarry, Costelloe, Galway, Ireland; smoky quartz and hematite from Auchinloch Quarry, Dalbeattie, Dumfries, Scotland; baryte from Mowbray Mone, Frizington, Cumbria; pumpellyite from Creag Brimishgan, Isle of Mull, Scotland; fluorite from Mildam Mine, Great Hucklow, Derbyshire; fluorite from Greenlaws Mine, Daddry Sheild, Weardale, Durham; epidote from Cloghmore Quarry, Costelloe, Galway, Ireland; baryte and dolomite from Frizington, Cumbria; azurite from Gortdrum Mine, Monard, Tipperar, Ireland; Blue John on a display stand from Treak Cliff, Castleton, Derbyshire. 3.35 kg total including box, 3.8-12.3 cm
From the property of a Cornwall, UK, gentleman. -
British Unidentified Fossil Fish in Matrix
Devonian Period, circa 419-359 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
On a curving matrix and showing good detail, especially on the scales. 557 grams, 21.2 cm
From Cheddar, Somerset, UK. 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.