aa - English Dictionary Translations

noun

Translations

Definitions

1. A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.

Sentences

1. 'Quotations
2. * '1859' - R. C. Haskell in American journal of science and arts, series XXVIII
3. *: We...saw ‘pahoihoi’ or solid lava forming, and also ‘'aa'’ or clinkers.
4. * '1883' - Clarence E. Dutton in the fourth Annual report of the United States Geological Survey
5. *: The second form of the lavas is called by the natives 'a-a', and its contrast with pahoehoe is about the greatest imaginable. It consists mainly of clinkers sometimes detached, sometimes partially agglutinated together with a bristling array of sharp, jagged, angular fragments.
6. * '''1944' - Charles A. Cotton: Volcanoes as landscape forms
7. *: Cooling and solidification frequently takes a different course...in lava flows, producing the clinker-like ‘'aa'’ lava.

Notes

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