Definition of stylolite in English:


Syllabification: sty·lo·lite
Pronunciation: /ˈstīləˌlīt


  • 1An irregular surface or seam within a limestone or other sedimentary rock, characterized by irregular interlocking pegs and sockets around 1 cm in depth and a concentration of insoluble minerals.
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    • This produces sutured interpenetrative contacts between grains, and these may form thin extensive sheets of concentrations of insoluble material called stylolite seams.
  • 1.1A grooved peg forming part of a stylolite.
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    • It cuts indiscriminately through the rock fabric, across grains, cement, and matrix; it may truncate fossils, ooliths, veins, and other stylolites.
    • Folds, cleavages, tension gashes and stylolites were also taken into account.
    • Owing to diagenetic effects, the vertical burrow parts commonly are compacted and may bear stylolites, whereas the inner parts of the tunnels especially are affected by sponge-like growth of celestine crystals.


mid 19th century: from Greek stulos 'column' + -lite.

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