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Early Cambrian brachiopod-dominated shell concentrations from North-East Greenland : Environmental and taphonomic implications

Harper, David A.T. LU ; Stouge, Svend ; Christiansen, Jørgen L. ; Topper, Timothy P. ; Alwmark, Carl LU ; Richoz, Sylvain LU and Ahlberg, Per LU (2021) In Global and Planetary Change 204.
Abstract

The occurrence of a series of thin but persistent early Cambrian (Cambrian Age 4) brachiopod shell concentrations extending along a transect of some 150 km in NE Greenland, indicates the ability of the group to form widespread, skeletal pavements very early in the history of the phylum, its gregarious behaviour and ability to harness available nutrients. These extensive shell pavements within the Bastion Formation mark biological events within the basin, the abundance of shells perhaps associated with oscillating redox conditions prompting the dissolution of phosphate and its spread across the shelf. The shells were subsequently reworked and deposited by episodic distal storm surges with some winnowing.

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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Global and Planetary Change
volume
204
article number
103560
publisher
Elsevier
external identifiers
  • scopus:85110087722
ISSN
0921-8181
DOI
10.1016/j.gloplacha.2021.103560
language
English
LU publication?
yes
id
b0b41299-4636-419c-a55c-43daccfd939e
date added to LUP
2021-12-23 12:01:30
date last changed
2022-04-27 06:55:13
@article{b0b41299-4636-419c-a55c-43daccfd939e,
  abstract     = {{<p>The occurrence of a series of thin but persistent early Cambrian (Cambrian Age 4) brachiopod shell concentrations extending along a transect of some 150 km in NE Greenland, indicates the ability of the group to form widespread, skeletal pavements very early in the history of the phylum, its gregarious behaviour and ability to harness available nutrients. These extensive shell pavements within the Bastion Formation mark biological events within the basin, the abundance of shells perhaps associated with oscillating redox conditions prompting the dissolution of phosphate and its spread across the shelf. The shells were subsequently reworked and deposited by episodic distal storm surges with some winnowing.</p>}},
  author       = {{Harper, David A.T. and Stouge, Svend and Christiansen, Jørgen L. and Topper, Timothy P. and Alwmark, Carl and Richoz, Sylvain and Ahlberg, Per}},
  issn         = {{0921-8181}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Global and Planetary Change}},
  title        = {{Early Cambrian brachiopod-dominated shell concentrations from North-East Greenland : Environmental and taphonomic implications}},
  url          = {{http://dx.doi.org/10.1016/j.gloplacha.2021.103560}},
  doi          = {{10.1016/j.gloplacha.2021.103560}},
  volume       = {{204}},
  year         = {{2021}},
}