What is the type of lava that Mount Saint Helens produces?

mount saint helens active.
, not lava same. that's makes volcanoes tall (stratovolcanoes mt.st.helens,) or more flat shield volcanoes (like mauna loa (hawaii)) , it's determines things how explosive , violent explosions , how viscous lava flow is.

mt.st.helens magma explosive , violent , has high silica content.

title says all. please give me sources information. :)

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