Pristine Early Eocene Wood Buried Deeply in Kimberlite from Northern Canada
Publication Date
September 19, 2012
Journal
PLOS ONE
Authors
Alexander P. Wolfe, Adam Z. Csank, Alberto V. Reyes, Ryan C. Mc Kellar, et al
Volume
7
Issue
9
Pages
e45537
DOI
https://dx.plos.org/10.1371/journal.pone.0045537
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0045537
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/23029080
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3446892
Europe PMC
http://europepmc.org/abstract/MED/23029080
Web of Science
000309388400101
Scopus
84866535010
Mendeley
http://www.mendeley.com/research/pristine-early-eocene-wood-buried-deeply-kimberlite-northern-canada
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Mendeley | Further Information

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Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/574287"], "description"=>"<p>A. Location of the Ekati diamond mine. B. Situation of the Panda kimberlite in relation to other pipes that comprise the property. C. Morphology of the Panda kimberlite pipe <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Nowicki1\" target=\"_blank\">[8]</a> and occurrence of wood. D. Fossil wood encrusted in olivine-rich volcaniclastic kimberlite. E. Photograph of the specimen characterized in this study. The wood was split when removed from the ore, revealing a sliver of opaque amber (9.5 cm long by 0.5 cm wide) in the xylem. F. RLS in transmitted light showing uniseriate and biseriate bordered pits and cross-fields. G. TLS showing rays stacked 3–26 cells high. H. SEM (TS) of ring boundary with earlywood (left) and latewood (right). I. Close-up of tracheids in TS and calcite crystals within cells (arrows). J. Cross-section of ray with cross-field pits. K and L. Close-ups of cross-field pits. M. TLS close-up of rays. N. Radial longitudinal section showing four contiguous rows of ray parenchyma cells with smooth end walls and no separation between the individual rows of cells.</p>", "links"=>[], "tags"=>["fossil", "panda", "kimberlite"], "article_id"=>244771, "categories"=>["Chemistry", "Evolutionary Biology", "Plant Biology"], "users"=>["Alexander P. Wolfe", "Adam Z. Csank", "Alberto V. Reyes", "Ryan C. McKellar", "Ralf Tappert", "Karlis Muehlenbachs"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0045537.g001"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Study_site_and_fossil_wood_from_the_Panda_kimberlite_pipe_/244771", "title"=>"Study site and fossil wood from the Panda kimberlite pipe.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-19 23:07:29"}
  • {"files"=>["https://ndownloader.figshare.com/files/574484"], "description"=>"<p>A. SEM of cellulose fibers at low magnification. B. SEM at higher magnification showing surface texture. C. Duplicate FTIR spectra (800–1500 cm<sup>−1</sup>) of the same material, shown in relation to Middle Eocene cellulose from Axel Heiberg Island <i>Metasequoia </i><a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Richter1\" target=\"_blank\">[15]</a> and laboratory standard (Sigma-Aldrich) α-cellulose. D. X-ray diffraction traces of Panda cellulose extracts before (grey) and after (black) treatment with NaOH. Peaks associated with α-cellulose crystallinity are indicated by vertical dashed lines, whereas the idealized spectrum of pure α-cellulose is shown above the Panda traces <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Terinte1\" target=\"_blank\">[17]</a>.</p>", "links"=>[], "tags"=>["extracted", "panda"], "article_id"=>244975, "categories"=>["Chemistry", "Evolutionary Biology", "Plant Biology"], "users"=>["Alexander P. Wolfe", "Adam Z. Csank", "Alberto V. Reyes", "Ryan C. McKellar", "Ralf Tappert", "Karlis Muehlenbachs"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0045537.g002"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Cellulose_extracted_from_Panda_Metasequoia_/244975", "title"=>"Cellulose extracted from Panda <i>Metasequoia</i>.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-19 23:08:34"}
  • {"files"=>["https://ndownloader.figshare.com/files/574629"], "description"=>"<p>A–B. duplicate analyses of the amber from Panda wood. C. Middle Eocene amber from post-eruptive sediments in the Giraffe kimberlite pipe, which has not been thermally altered <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Doria1\" target=\"_blank\">[7]</a>, <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Tappert1\" target=\"_blank\">[19]</a>. Insets show typical fragments of Panda and Giraffe <i>Metasequoia</i> ambers (scale bars are 5 mm). D. Modern resin from <i>M. glyptostroboides</i> cultivar (Washington DC, USA) is visually identical to the Giraffe material. E. The spectroscopic differences between Panda and modern <i>Metasequoia</i> resins reveals features associated with thermal maturation (grey area is±1 SD of the difference).</p>", "links"=>[], "tags"=>["ftir", "spectra", "fossil"], "article_id"=>245122, "categories"=>["Chemistry", "Evolutionary Biology", "Plant Biology"], "users"=>["Alexander P. Wolfe", "Adam Z. Csank", "Alberto V. Reyes", "Ryan C. McKellar", "Ralf Tappert", "Karlis Muehlenbachs"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0045537.g003"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Complete_FTIR_spectra_650_4000_cm_8722_1_of_fossil_and_modern_Metasequoia_resins_/245122", "title"=>"Complete FTIR spectra (650–4000 cm<sup>−1</sup>) of fossil and modern <i>Metasequoia</i> resins.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-19 23:09:24"}
  • {"files"=>["https://ndownloader.figshare.com/files/574753"], "description"=>"<p>A. Monthly values for the five-year measurement period (1989–1993) depict a local meteoric water line (LMWL) that deviates only slightly from the Global Meteoric Water Line (GMWL). The Panda cellulose isotopic values, once converted to the composition of environmental water (<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone-0045537-t001\" target=\"_blank\">Table 1</a>), plot on the LMWL. B. Magnification of the shaded grey in A, showing mean monthly isotopic values for months between May and September, corresponding mean monthly temperatures for the observation period (<i>n</i> = 5), and the mean value derived from Panda wood cellulose (<i>n</i> = 4). C. Temperature dependency of modern precipitation δ<sup>2</sup>H at Yellowknife and the inferred range of values obtained from Panda cellulose, with extrapolated temperature estimates (dashed vertical line). D. As for C, but for precipitation δ<sup>18</sup>O.</p>", "links"=>[], "tags"=>["precipitation", "yellowknife", "205", "shown", "inferred", "waters", "accessed", "panda"], "article_id"=>245234, "categories"=>["Chemistry", "Evolutionary Biology", "Plant Biology"], "users"=>["Alexander P. Wolfe", "Adam Z. Csank", "Alberto V. Reyes", "Ryan C. McKellar", "Ralf Tappert", "Karlis Muehlenbachs"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0045537.g004"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Mean_monthly_18_O_and_948_2_H_of_precipitation_at_Yellowknife_Station_7193401_62_28_176_N_114_27_176_W_205_m_41_shown_in_relation_to_inferred_values_of_environmental_waters_accessed_by_Panda_Metasequoia_/245234", "title"=>"Mean monthly δ<sup>18</sup>O and δ<sup>2</sup>H of precipitation at Yellowknife (Station 7193401, 62.28°N, 114.27°W, 205 m, [41]), shown in relation to inferred values of environmental waters accessed by Panda <i>Metasequoia</i>.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-19 23:09:59"}
  • {"files"=>["https://ndownloader.figshare.com/files/574916"], "description"=>"1<p>using ε<sub>cellulose-environmental water</sub> = −22‰ <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Epstein1\" target=\"_blank\">[24]</a>.</p>2<p>using ε<sub>cellulose-environmental water</sub> = 35‰ for <i>Metasequoia</i><a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Jahren1\" target=\"_blank\">[31]</a>.</p>", "links"=>[], "tags"=>["isotopic", "ratios", "amber", "cellulose", "extracted", "entombed", "panda"], "article_id"=>245396, "categories"=>["Chemistry", "Evolutionary Biology", "Plant Biology"], "users"=>["Alexander P. Wolfe", "Adam Z. Csank", "Alberto V. Reyes", "Ryan C. McKellar", "Ralf Tappert", "Karlis Muehlenbachs"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0045537.t001"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Stable_isotopic_ratios_of_amber_and_cellulose_extracted_from_Metasequoia_wood_entombed_in_the_Panda_kimberlite_/245396", "title"=>"Stable isotopic ratios of amber and cellulose extracted from <i>Metasequoia</i> wood entombed in the Panda kimberlite.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-19 23:10:51"}
  • {"files"=>["https://ndownloader.figshare.com/files/574965"], "description"=>"<p>Two estimates of Early Eocene δ<sup>18</sup>O<sub>precipitation</sub><a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Roden1\" target=\"_blank\">[35]</a>, <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Anderson2\" target=\"_blank\">[36]</a> and corresponding mean annual temperature (MAT) <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045537#pone.0045537-Fricke1\" target=\"_blank\">[37]</a> derived from Panda cellulose for minimum, mean, and maximum inferred values of relative humidity (RH).</p>", "links"=>[], "tags"=>["estimates", "eocene", "corresponding", "derived", "panda", "cellulose", "inferred", "humidity"], "article_id"=>245445, "categories"=>["Chemistry", "Evolutionary Biology", "Plant Biology"], "users"=>["Alexander P. Wolfe", "Adam Z. Csank", "Alberto V. Reyes", "Ryan C. McKellar", "Ralf Tappert", "Karlis Muehlenbachs"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0045537.t002"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Two_estimates_of_Early_Eocene_18_O_precipitation_35_36_and_corresponding_mean_annual_temperature_MAT_37_derived_from_Panda_cellulose_for_minimum_mean_and_maximum_inferred_values_of_relative_humidity_RH_/245445", "title"=>"Two estimates of Early Eocene δ<sup>18</sup>O<sub>precipitation</sub>[35], [36] and corresponding mean annual temperature (MAT) [37] derived from Panda cellulose for minimum, mean, and maximum inferred values of relative humidity (RH).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-19 23:11:04"}

PMC Usage Stats | Further Information

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Relative Metric

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