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

被引：0

作者：

Harper D.A.T. ^{[1
]}

Stouge S. ^{[2
]}

Christiansen J.L. ^{[3
]}

Topper T.P. ^{[4
,5
]}

Alwmark C. ^{[6
]}

Richoz S. ^{[6
]}

Ahlberg P. ^{[6
]}

机构：

[1] Department of Earth Sciences, Durham University, Durham

[2] Natural History Museum of Denmark (Geological Museum), University of Copenhagen, Øster Voldgade 5-7, Copenhagen K

[3] Center for Teaching and Learning, University College Absalon, Trekroner Forskerpark 4, Roskilde

[4] Swedish Museum of Natural History, Stockholm

[5] State Key Laboratory of Continental Dynamics, Shaanxi Key Laboratory of Early Life & Environments and Department of Geology, Northwest University, Xi'an

[6] Department of Geology, University of Lund, Sölvegatan 12, Lund

来源：

Global and Planetary Change | 2021年 / 204卷

关键词：

40;

D O I：

10.1016/j.gloplacha.2021.103560

中图分类号：

学科分类号：

摘要：

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. © 2021 Elsevier B.V.

引用

共 16 条

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