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- Title
Glacial erratic boulders from Jutland, Denmark, feature an uppermost lower Cambrian fauna of the Lingulid Sandstone Member of Västergötland, Sweden.
- Authors
WEIDNER, THOMAS; GEYER, GERD; EBBESTAD, JAN OVE R.; VON SECKENDORFF, VOLKER
- Abstract
Reinvestigation of glacial erratic boulders from Jutland, Denmark, and from northern Germany, has revealed a moderately diverse fauna with the trilobites Holmiella? sp., Epichalnipsus anartanus, Epichalnipsus sp. A, Epichalnipsus sp. B, and Berabichia erratica, three species of lingulid brachiopods, one hyolith species, and trace fossils comparable to Halopoa imbricata. Comparison with faunas from the Cambrian of Scandinavia strongly suggested a biostratigraphic position equivalent to the uppermost part of the (revised) Holmia kjerulfi-'Ornamentaspis' linnarssoni to lowermost Comluella?- Ellipsocephalus lunatus zones sensu Nielsen & Schovsbo (2011), or the lower to middle part of the traditional 'Ornamentaspis' linnarssoni Zone, but probably a particular horizon and biofacies not yet discovered in Scandinavia. Considerations of glacial transport regimes and the distribution of comparable rock units, as well as a petrographical analysis of the material from the studied erratic boulders and rocks from outcrops in Sweden, indicate that the boulders were derived from the Lingulid Sandstone Member of the File Haidar Formation and the source area is situated in the vicinity of the present-day outcrops in the Halleberg-Hunneberg area, Västergötland, Sweden.
- Subjects
SCANDINAVIA; JUTLAND (Denmark); PALEOZOIC Era; BOULDERS; BIOSTRATIGRAPHY; SANDSTONE
- Publication
Bulletin of the Geological Society of Denmark, 2015, Vol 63, p59
- ISSN
0011-6297
- Publication type
Article
- DOI
10.37570/bgsd-2015-63-06