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Paleoburn

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Journal Article
Journal: Paleobiology
Published: 23 January 2017
Paleobiology (2017) 43 (2): 224–247.
... Formation of Colorado. Here, insects are either mineralized in iron oxides (likely after pyrite) at the Paleoburn site or keroginized at the Anvil Points site. Generally, the prediction that keroginization preserves soft-bodied fossils with higher preservational quality than mineralization is affirmed...
FIGURES | View All (9)
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The distribution of untransformed measurements of areas from the <b>Paleoburn</b> ...
Published: 23 January 2017
Figure 9 The distribution of untransformed measurements of areas from the Paleoburn and Anvil Points sites. Areas reported are in square millimeters. Numbers on each column in the histogram are the total number of specimens in each bin. Box-and-whisker
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The proportional distribution of insects identified to order from the Paleo...
Published: 23 January 2017
Figure 5 The proportional distribution of insects identified to order from the Paleoburn, where insects are mineralized as iron oxides, and Anvil Points, where insects are keroginized as carbonaceous compressions. Although eight orders are shared between
Image
The distribution of quality scores for the individual morphological categor...
Published: 23 January 2017
Figure 7 The distribution of quality scores for the individual morphological categories of only the beetles analyzed from the Paleoburn and Anvil Points sites. The meaning of the brackets is the same as in Fig. 6 . Some categories, like legs
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SEM images (backscatter mode) and energy-dispersive X-ray spectroscopy (EDS...
Published: 23 January 2017
Figure 1 SEM images (backscatter mode) and energy-dispersive X-ray spectroscopy (EDS) maps of insects from the Green River Formation showing the contrast in composition between Paleoburn preservation and fossil preservation from elsewhere in the formation
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Map of the Piceance Creek Basin of Colorado and a general stratigraphic col...
Published: 23 January 2017
. Abbreviations: PB, Paleoburn site; APK, Anvil Points site. Map modified from Donnell ( 2009 ); stratigraphic column modified from Walker ( 2015 ), used with permission. Marker bed references: 1, Duncan ( 1997 ) and Cashion and Donnell ( 1972 ); 2
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Examples of different quality scores for insect abdomens, one of several
  ...
Published: 23 January 2017
beetle from the Paleoburn, receives a score of 0 for its lack of an abdomen (arrow points to where it should be). B, Specimen 10-11-B59-#4, a crane fly from the Paleoburn, also receives a score of 0 for its missing abdomen. C, Specimen UCM72689, an Anvil
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The distribution of quality scores for the individual morphological categor...
Published: 23 January 2017
Figure 6 The distribution of quality scores for the individual morphological categories of the insects from the Paleoburn and Anvil Points sites. Brackets over the scores indicate that a chi-squared or Fisher’s exact test assessed the significance