Definition of spreite in English:
spreite
nounPlural spreiten, Plural spreites ˈʃprʌɪtəˈSHprītə
A banded pattern of uncertain origin found in the infill of the burrows of certain fossil invertebrates.
Example sentencesExamples
- Planolites, Diplocraterion and vertical and inclined burrows with spreite are common.
- Sheeted traces with curved spreite have been described as Heimdallia from mid-Palaeozoic coarse sandstone units in the Beacon Supergroup and the Tumblagooda Sandstone.
- If these structures are actively back-filled as the organisms move through the sediment distinctive laminations termed spreite can be formed.
- In the latter two ichnotaxa, the vertical spreite in the distal part of the structure is generated by the retrusive, axial migration of an upper, upward bending J-shaped tube.
- It is in the nature of Diplocraterion to show truncation of the higher ends of tubes and spreite.
Origin
1960s: from German Spreite 'layer, lamina'.