Which volcanic outcome on converging plate boundaries increases with increased continental crust thickness?

💡 Explanation

Increased crust thickness results in an increased silica content, thus the partial melting mechanism increases magma's viscosity. Because crustal assimilation processes are prolonged, composite volcanoes have far more violent eruptions; therefore, increasing explosivity occurs rather than lava flows.

• Which outcome results when increased atmospheric carbon dioxide concentration accelerates weathering of limestone?
• Which risk increases when fracking injects wastewater near seismic faults?
• Which outcome occurs when permafrost thaw increases methane seeps near thermokarst lakes?
• Which consequence results when a pyroclastic surge encounters subsurface groundwater?
• Which outcome affects global heat distribution because of El Niño?
• Which landform evolves when repetitive thaw-freeze cycles drive solifluction of saturated sediment on slopes?