Assertion: basic magma | /r/HasProperty | lava
Facets:
Source sentences:
text: Then, in the late 1920’s when it was established that volcanoes extrude primarily basic magma (lava) and acid rocks are encountered only as intrusive formations, the American petrologist N. Bowen proposed the hypothesis that there is just one parent magma, basaltic, and suggested that granites form as the result of crystallization differentiation of basaltic magma during its solidification process.
text: Then, in the late 1920’s when it was established that volcanoes extrude primarily basic magma (lava) and acid rocks are encountered only as intrusive formations, the American petrologist N. Bowen proposed the hypothesis that there is just one parent magma, basaltic, and suggested that granites form as the result of crystallization differentiation of basaltic magma during its solidification process.