One of the mysteries of the English language finally explained.
A banded pattern of uncertain origin found in the infill of the burrows of certain fossil invertebrates.
- ‘If these structures are actively back-filled as the organisms move through the sediment distinctive laminations termed spreite can be formed.’
- ‘Planolites, Diplocraterion and vertical and inclined burrows with spreite are common.’
- ‘It is in the nature of Diplocraterion to show truncation of the higher ends of tubes and spreite.’
- ‘Sheeted traces with curved spreite have been described as Heimdallia from mid-Palaeozoic coarse sandstone units in the Beacon Supergroup and the Tumblagooda Sandstone.’
- ‘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.’
1960s: from German Spreite ‘layer, lamina’.
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