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magma from hot spots in the crust

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What does the Hawaiian term AA mean?

In Hawaiian, AA refers to lava that has a rough and jagged texture. It is formed when molten lava cools quickly on the surface, creating sharp, blocky rocks.


Where is lava beds located?

Lava Beds National Monument is located in northeastern California near the town of Tulelake. It is situated in the southern part of the Cascade Range and is known for its rugged lava landscape, lava tube caves, and Native American rock art sites.


How do you say lava in Hawaiian?

In Hawaiian, the word for lava is "lave." It's derived from the same Latin roots as the English word, reflecting the geological significance of volcanic activity in Hawaii. The Hawaiian language has a deep connection to the islands' natural features and cultural practices.


What type of Lava flow has affected the shape of the Hawaiian mountains?

The type of lava flow that has affected the shape of the Hawaiian mountains is primarily basaltic lava. Basaltic lava is low in viscosity and flows easily, creating broad shield volcanoes with gentle slopes, such as those found in Hawaii. These lava flows build up over time, creating the iconic mountainous landscapes of the Hawaiian Islands.


Are Hawaiian volcanoes high in silica?

Hawaiian volcanoes are generally low in silica compared to other types of volcanoes, such as those that produce andesitic or rhyolitic lava. The primary type of lava produced by Hawaiian volcanoes is basalt, which has a lower silica content, typically ranging from about 45% to 55%. This low silica content contributes to the fluidity of the lava, resulting in the characteristic broad, shield-like shapes of Hawaiian volcanoes.