Tagasi otsingusse
Droser & Bottjer, 1986

A semiquantitative field classification of ichnofabric

Droser, M. L., Bottjer, D. J.
DOI
DOI10.1306/212F89C2-2B24-11D7-8648000102C1865D
Aasta1986
KirjastusSociety for Sedimentary Geology
AjakiriJournal of Sedimentary Research
Köide56
Number4
Leheküljed558-559
Tüüpartikkel ajakirjas
Keelinglise
Id6937

Abstrakt

In order to document variations in the extent of bioturbation recorded in the stratigraphic record, we have designed a semiquantitative field classification of ichnofabric ("all aspects of the texture and internal structure of a sediment that result from bioturhation'; Ekdale et al. 1984) based on pattern recognition of the percentage of original sedimentary fabric which has been disrupted by biogenic reworking. Six ichnofabric indexes have been established. When used in conjunction with descriptive ichnology and sedimentological data, this methodology can be used to determine changes in the nature and amount of bioturbation in sedimentary rocks.

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