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Scratch circles fro...
Scratch circles from the Ediacaran and Cambrian of Arctic Norway and southern Africa, with a review of scratch circle occurrences
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- Jensen, Soren (author)
- Univ Extremadura, Fac Ciencias, Area Paleontol, Ave Fis, Badajoz 06006, Spain
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- Hogstrom, Anette E. S. (author)
- UiT Arctic Univ Norway, Tromso Univ Museum, Nat Sci, N-9037 Tromso, Norway
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- Almond, John (author)
- Nat Viva Cc, POB 12410,Mill St, ZA-8010 Cape Town, South Africa
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- Taylor, Wendy L. (author)
- Univ Cape Town, Dept Geol Sci, Private Bag X3, ZA-7700 Rondebosch, South Africa
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- Meinhold, Guido (author)
- Univ Goettingen, Geosci Ctr Goettingen, Dept Sedimentol & Environm Geol, Goldschmidtstr 3, D-37077 Gottingen, Germany;Keele Univ, Sch Geog Geol & Environm, Keele ST5 5BG, Staffs, England
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- Hoyberget, Magne (author)
- Rennesveien 14, N-4513 Mandal, Norway
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- Ebbestad, Jan Ove R., 1967- (author)
- Uppsala universitet,Evolutionsmuseet
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- Agić, Heda, 1989- (author)
- Uppsala universitet,Paleobiologi,Univ Calif Santa Barbara, Dept Earth Sci, Santa Barbara, CA 93106 USA
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- Palacios, Teodoro (author)
- Univ Extremadura, Fac Ciencias, Area Paleontol, Ave Fis, Badajoz 06006, Spain
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(creator_code:org_t)
- CZECH GEOLOGICAL SURVEY, 2018
- 2018
- English.
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In: Bulletin of Geosciences. - : CZECH GEOLOGICAL SURVEY. - 1214-1119 .- 1802-8225. ; 93:3, s. 287-304
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https://doi.org/10.3...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Scratch circles - bedding plane parallel sedimentary structures formed by the passive rotation of a tethered organism into the surrounding sediment - are relatively rare in the geological record. Here new occurrences of scratch circles are described from the Ediacaran-Cambrian Stahpogieddi Formation, Digermulen Peninsula, Arctic Norway, and from the Ediacaran Nudaus and Urusis formations, Nama Group, of southern Africa. A literature survey confirms a previously noted concentration of scratch circles reported from shallow marine upper Ediacaran-lower Cambrian and paralic Carboniferous rocks. Scratch circle identification and nomenclature are discussed. The stratigraphical range of the trace fossils Treptichnus pedum and Gyrolithes isp. in the Stahpogieddi Formation are extended downward. Combined with earlier reports of Harlaniella podolica this adds new precision to the placement of the Ediacaran-Cambrian boundary on the Digermulen Peninsula.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)
Keyword
- scratch circles
- Ediacaran
- Cambrian
- Norway
- Republic of South Africa
- Namibia
- trace fossils
Publication and Content Type
- ref (subject category)
- for (subject category)
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- By the author/editor
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Jensen, Soren
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Hogstrom, Anette ...
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Almond, John
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Taylor, Wendy L.
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Meinhold, Guido
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Hoyberget, Magne
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show more...
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Ebbestad, Jan Ov ...
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Agić, Heda, 1989 ...
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Palacios, Teodor ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Other Earth and ...
- Articles in the publication
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Bulletin of Geos ...
- By the university
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Uppsala University