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Náttúrufræðingurinn - 1987, Síða 19

Náttúrufræðingurinn - 1987, Síða 19
Strauch, F. 1963. Zur Geologie von Tjörnes (Nordisland). - Sonderveröff. Geol. Inst. Univ. Köln 8:1-129. SUMMARY Trace fossils by Már Vilhjálmsson, Fjölbrautaskólanum í Garðabæ, Lyngási 7-9, 210 Garðabæ and Leifur A. Símonarson, Raunvísindastofnun Háskólans, Dunhaga 3, 107 Reykjavík. Information from trace fossils comple- ments that from body fossils. The type of information preserved is different, but equally useful. Although we usually have no idea what organism made the trace, trace fossils often preserve the best evidence of fossil behaviour and are frequently excellent environmental indi- cators. In this paper the history of ichnology is briefly reviewed and ecological classi- fication of trace fossils summarized. Trace fossils are abundant here and there in Icelandic sedimentary deposits. Some well preserved examples are in- troduced (see plates). 113

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