Eustasy

Quick meaning: Eustasy is a noun meaning (geology, oceanography) A worldwide change in sea level, especially one caused by melting ice or tectonic activity.

Meaning

(geology, oceanography) A worldwide change in sea level, especially one caused by melting ice or tectonic activity.

Example Sentences

Glaciation, by oversteepening slopes, and by subsequent isostatic rebound, greatly enhances crevice cave and talus cave formation. Glacial eustasy and isostatic rebound form, and then preserve, sea caves.

The age of the dunal or other deposits, formed on it after the sea had begun to withdraw, in accordance with the theory of glacial eustasy, and which I have named Berardian, is, however, the crucial thing here.

Takai, F., and Tsuchi, R. 1963 The Quaternary: In "Geology of Japan," Univ. Calif. Press: 173–196 / […] From these facts, it is inferred that the main coastal terraces were probably formed due to glacial eustacy.

The range in elevation suggests that the sea level was not constant during the formation of the caves and that the rise of land – perhaps counterbalanced periodically by glacial eustacies – was probably continuous.

Word Forms

• eustasies
• eustacy

Related Words

Related dictionary entries include glacioeustasy, glacioisostasy, cryoseism, bradyseism, lowstand, ice-out.

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