| Variations in composition within each series reflect differentiation in magma chambers under volcanoes. |
| Scientists believe that diamonds ascend to the earth's surface in rare molten rock, or magma that originates at great depths. |
| Based on the position of the dikes, where was the source of the magma for the laccoliths located? |
| If magma were to accumulate at mid-crustal levels beneath the north Taupo region, this has significant implications for hazard monitoring. |
| The youngest core analysis is of identical age to the interpreted magmatic age and may have recrystallized in the magma. |
| Whatever the source, an alkalic basaltic magma pooled in the potassium-poor rocks of the lower crust. |
