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LOT 2447
Fossil Fern in Matrix
TRIASSIC PERIOD, CIRCA 228-208 MILLION YEARS B.P.
3 3/4 in. (91 grams, 95 mm).
Thinnfeldia talgarbarensis showing two branching leaves on a matrix. [No Reserve]
ProvenanceFrom the Blackstone formation, Dinmore Quarry, Queensland, 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.
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AUCTIONS:
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LOT 2447
Fossil Fern in Matrix
Estimate £20 - 30€23 - 35 (for guidance only)$27 - 41 (for guidance only)
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Fossil Otarion Trilobite on Matrix
Silurian-Devonian Period, circa 425-400 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Showing high stalked eyes, elongated spines and granulose bulbous cephalon. 115 grams, 58 mm
From a Cambridgeshire, UK, collection. -
Morton Gneiss Plate Sections
Circa 3.5 billion years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Comprising three rectangular sections of grey pink and black medium to coarse-grained biotite-quartz-plagioclase gneiss with polished upper face, each with wooden backing and one cracked. approx. 84 kg total, 85 x 58 cm each
Canadian Shield, Minnesota River Valley, Southwestern Minnesota, USA. with Phillips, New York, 3 June 1995, no.81. Private collection, Florida, acquired at the above sale. with Sotheby’s, New York, 28 April 2021, no.27 (est. $2,500–3,500).
The world’s oldest known rocks come from the Canadian Shield area of North America. Among the most ancient is the present material, Morton Gneiss at approximately 3.5 billion years old believed to be part of Earth’s first planetary crust. The swirls and layers are a result of metamorphism that incurred when the original volcanic rock was buried to tremendous depths. -
Fossilised Leaves in Matrix
Paleocene Epoch, circa 66-56 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 1 | Current Bid: £5
Limestone matrix showing one large leaf on one side and several overlapping fragments on the reverse. 670 grams, 13.5 cm
From a UK private collection since at least 1946. Property of a West London, UK, gentleman.
