Definition of periglacial in English:
periglacial
adjective ˌpɛrɪˈɡsɪəleɪʃ(ə)lˌpɛrɪˈɡleɪʃ(ə)lˌpɛrəˈɡleɪʃəl
Geology Relating to or denoting an area adjacent to a glacier or ice sheet or otherwise subject to repeated freezing and thawing.
Example sentencesExamples
- Sandstone-filled cracks exposed at the unconformity are viewed as periglacial frost fissures.
- These may be of fluviatile, glacial, periglacial, lacustrine, aeolian, or marine origin.
- Hence the cracks probably developed following glacial retreat when the area containing the eroded surface of Bedford Sandstone was in a periglacial setting.
- Molluscs are dominated by a few species characteristic of open, wet ground typical of ancient British periglacial conditions, that is of freezing cold landscapes close to permanent ice sheets.
- Preserved sediments record deposition in a periglacial to ice-margin lake that contains one of the earliest assemblages of freshwater arthropods from Gondwana.
Definition of periglacial in US English:
periglacial
adjectiveˌperəˈɡlāSHəlˌpɛrəˈɡleɪʃəl
Geology Relating to or denoting an area adjacent to a glacier or ice sheet or otherwise subject to repeated freezing and thawing.
Example sentencesExamples
- Hence the cracks probably developed following glacial retreat when the area containing the eroded surface of Bedford Sandstone was in a periglacial setting.
- Molluscs are dominated by a few species characteristic of open, wet ground typical of ancient British periglacial conditions, that is of freezing cold landscapes close to permanent ice sheets.
- Preserved sediments record deposition in a periglacial to ice-margin lake that contains one of the earliest assemblages of freshwater arthropods from Gondwana.
- These may be of fluviatile, glacial, periglacial, lacustrine, aeolian, or marine origin.
- Sandstone-filled cracks exposed at the unconformity are viewed as periglacial frost fissures.