Description and analysis of bioturbation and ichnofabric
Abstract
A new scheme for the description and analysis of bioturbation and the resultant ichnofabrics is proposed. This system can be used in core and field-based studies and consists of two parts. (1) A bioturbation index in which a descriptive grade is assigned to the degree of bioturbation. This integrates the sedimentology and ichnology, where the higher grades of bioturbation result from increased burrow overlap and the subsequent loss of the primary sedimentary fabric. (2) An ichnofabric constituent diagram which records the detail of the ichnofabric by graphically plotting the dimensional data of the ichnotaxa and their order of emplacement against their coverage. This scheme differs from previous attempts to characterize bioturbation using semi-quantatitive methods and visually portrays the ichnofabric so that comparative studies can be carried out. This is of particular use in facies analysis, the establishment of the ichnocoenoses and tier diagrams, and within sequence stratigraphic studies so that hiatal surfaces can be recognized.
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Assessment of degree of bioturbation followed standard ichnological practice using a bioturbation index (BI).
“Assessment of degree of bioturbation followed standard ichnological practice using a bioturbation index (BI) [19].”
From Decoupling of body-plan diversification and ecological structuring during the Ediacaran–Cambrian transition: evolutionary and geobiological feedbacks (2014) · cites this paper as [19]
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Mángano, M. G., & Buatois, L. A. (2014) · Proceedings of the Royal Society B: Biological Sciences · doi:10.1098/rspb.2014.0038 · Cited by 243 · see citing works
McIlroy, D., & Logan, G. A. (1999) · PALAIOS · doi:10.2307/3515361 · Cited by 207 · see citing works
The rise and early evolution of animals: where do we stand from a trace-fossil perspective?
Mángano, M. G., & Buatois, L. A. (2020) · Interface Focus · doi:10.1098/rsfs.2019.0103 · Cited by 99 · see citing works
The early Paleozoic development of bioturbation—Evolutionary and geobiological consequences
Tarhan, L. G. (2018) · Earth-Science Reviews · doi:10.1016/j.earscirev.2018.01.011 · Cited by 87 · see citing works
- Authors
- TAYLOR, A. M., & GOLDRING, R.
- Affiliations
- University of Manchester (GB)
- University of Reading (GB)
- Venue
- Journal of the Geological Society
- Publisher
- Geological Society of London
- Published
- 1993-01
- Volume
- 150
- Issue
- 1
- Pages
- 141-148
- ISSN
- 0016-7649 (ISSN-L)
- 2041-479X
- OpenAlex
- W2088381531
- Cited by
- 1,025
- References
- 0
- Citations by year
- 2026: 63 · 2025: 63 · 2024: 64 · 2023: 65 · 2022: 75 · 2021: 90 · 2020: 93 · 2019: 58 · 2018: 63 · 2017: 58 · 2016: 57 · 2015: 43 · 2014: 35 · 2013: 21 · 2012: 36
- FWCI
- 14.09
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the Geological Society (publishedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Earth-Surface Processes › Geological formations and processes
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil and Environmental Studies
- Keywords
- bioturbation, ichnofabric, bioturbation index, ichnotaxa, ichnocoenoses, sequence stratigraphy, facies analysis, sediment core
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