Basaltic lavas differ from felsic lavas in that theybasaltic lavas:
A) contain more iron and magnesium
B) do not flow as easily
C) contain more silica I don't remember silica ever being mentioned. Perhaps have another clearly felsic characteristic like 'originates above subduction zones'
D) contain more trapped gases
Correct Answer:
Verified
Q1: Which of the following characteristics are consistent
Q2: A fracture in rock along which movement
Q3: The Hawaiian Islands and Emperor Seamounts represent
Q5: Mafic lava is composed mostly of:
A)magnesium and
Q6: The steep slopes and high eruptive potential
Q7: Globally, most active volcanoes are located along:
A)subduction
Q8: Hot-spot volcanoes can:
A)rise up from the ocean
Q9: The Richter scale is used to express
Q10: Explosive or voluminous eruptions may cause the
Q11: The figure below illustrates what type of
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