Sentence examples for extensive glaciation from inspiring English sources

The northwest corner of Banks Island was purportedly never glaciated and is trimmed by the oldest and most extensive glaciation (Banks Glaciation) considered to be of Matuyama age (>780 ka BP).

Evidence of extensive glaciation exists.

Similar, roughly contemporaneous glacial deposits can be found in other parts of the world, suggesting that there was at least one extensive glaciation during the early Proterozoic.

Results indicate rapid river incision, extensive glaciation, and variable denudation rates by mass movement, glaciation, and catastrophic flood flushing.

The boundary also reflects a significant drop in global sea level, which was produced by extensive glaciation on the ancient supercontinent of Gondwana.

The Government Reef Series consists of alternating shales and quartzites in addition to pebbly layers that contain gold deposits; it also contains indications of a period of extensive glaciation.

This contributed to low surface temperatures and extensive glaciations.

The presence of tillites (glacial sediments) indicates that extensive glaciations occurred several times during the Precambrian.

These were, at their maxima, among the most extensive glaciations in the Earth's history.

The Quaternary period is marked by many extensive glaciations and sea level oscillations, mainly during the Pleistocene.

In the Arctic these deep processes are masked by extensive glaciations and associated or roughly synchronous erosion.