Basaltic vicousity
low (runny)
Basaltic silica content
low
Basaltic temp
over 950°C
Basaltic plate boundary
constructive
Andesitic viscousity
medium
Andesitic silica content
medium
Andesitic temp
750°C - 950°C
Andesitic Plate boundary
destructive
Rhyolitic vicosity
high (thick)
Rhyolitic silica content
high
Rhyolitic Temp
750°C >
Rhyolitic plate boundery
destructive