Results for: A'a

In Science

What is the difference between pahoehoe and A'A?

+ Pahoehoe is basaltic lava forming smooth undulating(moving with a smooth wavelike motion) or ropy masses.It is contrasted to AA AA is basaltic lava forming very roug ( Full Answer )
In Geology

What is the average silica content of a'a lava?

A'a lava has a generally low silica content. Having low silica content means that it also has a low viscosity level. Having a low viscosity level means that it flows easily.
In Volcanoes

Was mount st helen's lava a'a or pohoehoe?

Niether. The eruption of 1980 did not produce lava flows, it produced pumice and ash. Afterward it started building a dome of dacitic lava. Pahoehoe and a'a are basaltic lava, ( Full Answer )
In Volcanoes

Would a'a form lava tubes or pahoehoe?

Lava tubes are characteristic of pahoehoe, as it can maintain asolid crust. With a'a the crust on the flows is constantlybreaking.