One of the mysteries of the English language finally explained.
A fragment of a shell or fossil forming part of a sedimentary rock.
- ‘Within the upper beds of the Mount Hyatt Member bioturbation is intense and many bioclasts appear to have been rotated to high angles.’
- ‘The offset in these two curves reflects the lengthy residence time for bioclasts in this high wave energy coastal environment, and a component of sediment recycling from older barriers.’
- ‘The erosive bases and stacking of bivalve shells indicate removal and redeposition, and suggest that these shells and other bioclasts were removed from the platform and redeposited on the slope by storms.’
- ‘The average size of bioclasts is 2-3 cm. Small volcanic clasts appear dispersed in some beds.’
- ‘Leperditiid shells are the dominant bioclasts and trilobite fragments are rare.’
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