glaciation betydelse and definition

Exempel på glaciation

• The current landscapes were finally remodelled into their present forms during the last glaciation, which ended some 10,000 years ago.

• This allochthonous tillite is no less indicative of contemporary glaciation.

• The next five chapters of the book look into links between climate and orbital change, and then come three on glaciation.

• In the course of several glaciation episodes, abundant rainfall submerged the various landforms and gave origin to a massive lake.

• As already noted, low-latitude glaciation implies widespread refrigeration and so increases confidence in correlating tillites that otherwise need not be considered as coeval.

• Any model attempting to account for the cause, global extent, and duration of glaciation must be consistent with the boundary conditions imposed by these data.

• The text in each contribution follows a broadly similar structure, describing the evidence for glaciation from oldest to youngest.

• This simple model may be an adequate explanation of the vexing relationship between the onset of glaciations and apparently closely synchronous episodes of explosive volcanism.