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What are the differences between the pahoehoe and AA?

Aa is slower, cooler, and has less sillica than pahoehoe. Pahoehoe is faster and moves quickly, and phoehoe has more silica, and is also darker than Aa


Do cinder cone volcanoes have AA lava or pahoehoe lava?

Pahoehoe and a'a refer to different texutres of lava flows. Although cindercones can produce lava flows, their main mode of eruption is called "fire fountaining" which tends to produce chunks of lava called scoria, rather than pahoehoe or a'a.


What ate the differences between pahoehoe and Aa what kind of eruption produces these types of lava?

Pahoehoe and AA lava are produced by quiet eruptions. This means that instead of a blast or explosion, the lava just flows out of the volcano. Pahoehoe lava is hot and flows quickly. AA lava is cooler in temperature and doesn't flow as quickly.


What is the difference between pahoehoe and lava?

Pahoehoe is faster moving lava and AA is slower moving lava. Both types are found in basaltic type eruptions. They have different appearances. Pahoehoe is smooth and ropey where as AA is chunky and rough.(much like top of trees) Often a pahoehoe flow can change to an AA flow depending upon the type of slope it encounters. The steeper the slope the more likely AA lava will be present. Aa has more viscosity than Pahoehoe.


Are pahoehoe and AA produced during explosive eruptions?

No, pahoehoe and aa lava are typically produced during non-explosive eruptions. Pahoehoe lava has a smooth, ropey texture, while aa lava is rough and jagged. Explosive eruptions typically produce ash, pyroclastic flows, and lava domes.

Related Questions

What do lava flows made of pahoehoe and AA indicate about the the type of volcanic eruptions and occurred?

Lava flows of pahoehoe and aa indicate that the eruption was effusive ("quiet") rather than explosive, or only very mildly explosive.


What do lava flows made of pahoehoe and AA indicate about the type of volcanic eruptions that occurred?

Lava flows of pahoehoe and aa indicate that the eruption was effusive ("quiet") rather than explosive, or only very mildly explosive.


What do lava flows the made of pahoehoe and AA Indicate about the type of volcanic eruption that occurred?

Lava flows of pahoehoe and aa indicate that the eruption was effusive ("quiet") rather than explosive, or only very mildly explosive.


Why is it that pahoehoe and AA lava are more frequent in shield volcanoes than in composite volcanoes?

Shield volcanoes have low viscosity basaltic lava, which typically creates pahoehoe and AA lava flows due to their ability to flow easily. Composite volcanoes have higher viscosity lava, such as andesitic or dacitic, which tend to form thicker and blockier lava flows rather than pahoehoe and AA flows.


What is the difference between a pahoehoe and AA?

Pahoehoe is so much more smoother and duller than AA, because it travels down a gentler slope. You can drive over Pahoehoe. AA, travels down a much steeper slope, and stumbles over itself, and when it hardens, it becomes VERY SHARP AND RAGGED. You wouldn't even be able to walk on AA lava without seriously messing up your feet.


What are the differences between the pahoehoe and AA?

Aa is slower, cooler, and has less sillica than pahoehoe. Pahoehoe is faster and moves quickly, and phoehoe has more silica, and is also darker than Aa


What do lava flows made of pahoehoe and AA indicate about the type of volcanic eruption that occured?

They indicate that an eruption is effusive rather than explosive.


What do lava flows made of pahoehoe and AA indicate about the type of volcanic eruption the occured?

They indicate that an eruption is effusive rather than explosive.


Do cinder cone volcanoes have AA lava or pahoehoe lava?

Pahoehoe and a'a refer to different texutres of lava flows. Although cindercones can produce lava flows, their main mode of eruption is called "fire fountaining" which tends to produce chunks of lava called scoria, rather than pahoehoe or a'a.


What ate the differences between pahoehoe and Aa what kind of eruption produces these types of lava?

Pahoehoe and AA lava are produced by quiet eruptions. This means that instead of a blast or explosion, the lava just flows out of the volcano. Pahoehoe lava is hot and flows quickly. AA lava is cooler in temperature and doesn't flow as quickly.


What is the difference between pahoehoe and lava?

Pahoehoe is faster moving lava and AA is slower moving lava. Both types are found in basaltic type eruptions. They have different appearances. Pahoehoe is smooth and ropey where as AA is chunky and rough.(much like top of trees) Often a pahoehoe flow can change to an AA flow depending upon the type of slope it encounters. The steeper the slope the more likely AA lava will be present. Aa has more viscosity than Pahoehoe.


What is the difference between pahoehoe and AA lava?

The difference between Pahoehoe lava and AA lava is that pahoehoe lava is smooth and AA lava is jagged.