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LOT 1878
Natural History - Historic Bornite Mineral Specimen
3 1/4 in. (401 grams, 84 mm).
With brown iridescence to three principal faces. [No Reserve]
ProvenanceCollected in person from various parts of the world mainly between 1957-1966.
From the private mineral collection of Stephen Atkinson, Harpenden, UK.
Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
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AUCTIONS:
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Natural History - Phylloceras Fossil Ammonite Group
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £59
Comprising three polished Phylloceras velledae ammonites. 293 grams total, 54-62 mm
From Madagascar. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
![Natural History - Green Fuchsite Mineral Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/207960-s.jpg)
Natural History - Green Fuchsite Mineral Specimen Group [100]
Sold for (Inc. bp): £5
Comprising a quantity of pale to darker green specimens in different sizes. 1.25 kg total, 31-46 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Knightia Fossil Fish
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £52
The Knightia alta specimen on a sandstone matrix with remains of another fish. 1 kg, 17.5 x 14.5 cm
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 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.
