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Fyles Leaf Beds

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<span class="search-highlight">Leaf</span>-rich cross-strata at <span class="search-highlight">Fyles</span> <span class="search-highlight">Leaf</span> <span class="search-highlight">Beds</span>.  A ) Eastwards directed inclined...
Published: 28 June 2022
Fig. 5.— Leaf-rich cross-strata at Fyles Leaf Beds. A ) Eastwards directed inclined sandy strata interpreted as recording small clinoforms (Facies 2A in Fig. 2 ). Box shows area enlarged in B. Scale bar = 1 meter. B ) Detail of previous image showing sporadic laminae rich in leaf and other
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Geomorphology of area west of <span class="search-highlight">Fyles</span> <span class="search-highlight">Leaf</span> <span class="search-highlight">Beds</span>, suggesting paleovalley of ri...
Published: 28 June 2022
Fig. 3.— Geomorphology of area west of Fyles Leaf Beds, suggesting paleovalley of rivers feeding the lake sediments. A ) View west from top of Fyles mesa showing misfit valley incised into Paleozoic bedrock. B ) High Resolution Digital Elevation Model Mosaic Hillshade digital relief model
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Flat-laminated organic-rich deposits in Facies 2B at <span class="search-highlight">Fyles</span> <span class="search-highlight">Leaf</span> <span class="search-highlight">Beds</span>.  A ) ...
Published: 28 June 2022
Fig. 6.— Flat-laminated organic-rich deposits in Facies 2B at Fyles Leaf Beds. A ) Succession of non-cyclic organic debris and sand laminae. Note that succession is penetrated by a small crack (white arrow) with its upper termination draped by successive layers (black arrow), suggesting periodic
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Examples of plant debris utilized by other organisms in the high terrace de...
Published: 28 June 2022
Fig. 7.— Examples of plant debris utilized by other organisms in the high terrace deposits. A , B ) Cortex of woody debris fragments showing signs of consumption by wood-boring insects from the Beaver Pond fossil site (A) and Fyles Leaf Beds Facies 1B (B). Scale bar = 1 cm. C ) Betula leaf
Journal Article
Journal: PALAIOS
Published: 28 June 2022
PALAIOS (2022) 37 (6): 330–347.
...Fig. 5.— Leaf-rich cross-strata at Fyles Leaf Beds. A ) Eastwards directed inclined sandy strata interpreted as recording small clinoforms (Facies 2A in Fig. 2 ). Box shows area enlarged in B. Scale bar = 1 meter. B ) Detail of previous image showing sporadic laminae rich in leaf and other...
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Styles of woody debris accumulations in the high terrace deposits on Ellesm...
Published: 28 June 2022
Fig. 8.— Styles of woody debris accumulations in the high terrace deposits on Ellesmere Island. A ) Beaver Pond fossil site: woody debris in peat, exhibiting two preferred orientations above and below dashed line (see text). Scale bar = 1 meter. B ) Fyles Leaf Beds Facies 2A: two lenses
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Sedimentological character of the high terrace deposits at the <span class="search-highlight">Fyles</span> <span class="search-highlight">Leaf</span> B...
Published: 28 June 2022
Fig. 2.— Sedimentological character of the high terrace deposits at the Fyles Leaf Beds locality. A ) Basal strata of Facies 1, immediately above the paleotopographic unconformity (out of photograph), showing a detached southward moving slump on the steep lake slope. Scale bar = 20 cm. B
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Location of the study sites within the Canadian High Arctic, showing places...
Published: 28 June 2022
Fig. 1.— Location of the study sites within the Canadian High Arctic, showing places mentioned in the text. Inset shows location of Beaver Pond (BP) and Fyles Leaf Beds (FLB) sites in the region of Strathcona Fiord, Ellesmere Island.
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Examples of woody debris incorporated into bedforms at various sites.  A ) ...
Published: 28 June 2022
Fig. 13.— Examples of woody debris incorporated into bedforms at various sites. A ) Small woody debris organized into cross-laminated foresets of ripples in lacustrine turbidites. Debris may occur with (black arrow) or without (white arrow) alternating foresets of sand. Facies 1B at Fyles Leaf
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Rose diagrams comparing orientation of woody debris at Beaver Pond site to ...
Published: 28 June 2022
Withow orientations are offset by 20° in upper (n = 45) and lower (n = 34) part of section (see Fig. 9 D). C ) Stick orientations in woody lenses at Fyles Leaf Beds (see Fig. 8 B) show weakly preferred orientation (n = 33), with high scatter of directions. D ) Stick orientations in cross-bedded wood
Journal Article
Journal: PALAIOS
Published: 01 May 2012
PALAIOS (2012) 27 (5): 279–287.
...-thick and 15-km-long autochthonous peat bed from which our bulk peat sample (B5), Glyptostrobus (B2), Larix (B3), and Pinus (B1) were collected ( Fyles et al., 1994 ; Williams et al., 2008 ). Ballast Brook Formation sediments accumulated on the valley floor of a meandering river system and include...
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Journal Article
Published: 01 January 2014
Journal of Sedimentary Research (2014) 84 (1): 19–25.
... of a similar boreal-type composition are known from a number of Neogene localities in the Canadian High Arctic ( Matthews and Ovenden 1990 ), including in the Miocene Ballast Brook Formation on Banks Island ( Williams et al. 2008 ) and the terrace gravels hosting the mid-Pliocene Beaver Pond and Fyles Leaf Bed...
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Series: GSA Special Papers
Published: 08 September 2021
DOI: 10.1130/2021.2551(01)
EISBN: 9780813795515
...., 1987). Similarly, the observations of outstanding preservation of leaf and insect materials in Unit C have been taken to suggest freezing since deposition in support of an age postdating the mid-Piacenzian warm period, although Fyles Leaf Beds at 3.8 +1/–0.8 Ma are also notable for their astounding...
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Journal Article
Journal: Palynology
Published: 01 June 2012
Palynology (2012) 36 (1): 131–151.
... North American species A. rhombifolia have P5 as the dominant pore number while the Andean alder ( A. acuminata ) has P4. Collections of Alnus tenuifolia (thin-leaf alder, Pacific Northwest) and Alnus incana (grey alder of Europe) are inconsistent in dominant pore number (each having P4 and P5...
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Journal Article
Journal: Geology
Published: 29 May 2020
Geology (2020) 48 (9): 867–871.
... is the youngest known large impact crater on Earth. Our observations and analyses of the organic carbon in front of the Hiawatha Glacier show that it stems from organic-rich beds formed at a time when tree growth at this high northern latitude was possible. Pliocene to early Pleistocene deposits at ∼80°N...
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Journal Article
Published: 01 December 1979
Bulletin of Canadian Petroleum Geology (1979) 27 (4): 418–445.
... beds are uncommon and none can be attributed to an ancestral Fraser River. Argillite from 3 km southwest of Quesnel is highly indurated and tilted. It contains a Betula-like dicotyledonous leaf and is considered part of the Eocene succession. The abnormally steep dip (40 ° to 70 °) is probably a local...
Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP314.5
EISBN: 9781862395626
... and marine carbonate factories worldwide ( Copper 1994 , 2002 a , b ). By the end of Givetian time, tropical rainforests became established for the first time, with large rooted trunks, and leaf canopies as high as 8 m, as demonstrated by the famous giant cladoxylopid fossil forest at Gilboa, New York...
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Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2007
DOI: 10.1144/TMS002.24
EISBN: 9781862396203
... migrated well into the Arctic Circle ( Fig. 2 ). Particularly telling is the evidence for evergreen forests on Meighen ( Matthews 1987 ) and Ellesmere Islands ( Fyles 1989 ), today a polar desert. The terrestrial biota found there and around the Arctic suggests that large-scale glaciation in the Pliocene...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2003.207.01.06
EISBN: 9781862394896
... hand, tend to be much flatter, more obviously laminated and yellow-brown in coloration once exposed to salt water. Although they are bio-eroded, they do not suffer to the same extent as the Jurassic concretions due to their lower carbonate content. Material from the fish bed can also take...
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