Definition of Aa

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TeachMeFinance.com - explain Aa



Aa

The term 'Aa' as it applies to the area of volcanos can be defined as 'Aa (pronounced 'ah-ah' - a Hawaiian term), is lava that has a rough, jagged, spiny, and generally clinkery surface. In thick aa flows, the rubbly surface of loose clinkers and blocks hides a massive, relatively dense interior'.

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Mark McCracken

Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".


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