A bow-form burrow and its sedimentological and palaeoecological significance
Goldring, R., Gruszczynski, M. and Gatt, P.A. (2002) A bow-form burrow and its sedimentological and palaeoecological significance. Palaios, 17 (6). pp. 622-630.
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To link to this article DOI: 10.1669/0883-1351(2002)017<0622:ABFBAI>2.0.CO;2
A deep-tier, bow-form burrow with a long apertural neck, and several different types of infill is described from Upper Jurassic shelfal carbonates of Saudi Arabia, Miocene pelagic packstones and wackestones of Malta, and Lower Cretaceous shoreface sands and mudrocks of southern England. The two most commonly observed types of infill are a coarse-grained infill, referred to as Glyphichnus-mode (formed by sediment entering the burrow following breakage of the apertural neck), and a laminated, muddy infill, referred to as Cylindrichnus-mode, which is considered to represent passive, drought filling through a complete burrow. The type of infill and aspects of preservation show that these burrows can be used to assess the style of sedimentation, particularly steady aggradation versus periodic erosion. At present the bow-form burrow is not assigned to a specific ichnotaxon.
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