This planet is essentially a body of crystallized and uncrystallized igneous material. The final philosophy of earth history will therefore be founded on igneous-rock geology.


Igneous Rocks and their Origin (1914)

Reginald Aldworth Daly Quotes

This planet is essentially a body of crystallized and uncrystallized igneous material. The final philosophy of earth history will therefore be...

This planet is essentially a body of crystallized and uncrystallized igneous material. The final philosophy of earth history will therefore be...

This planet is essentially a body of crystallized and uncrystallized igneous material. The final philosophy of earth history will therefore be...

This planet is essentially a body of crystallized and uncrystallized igneous material. The final philosophy of earth history will therefore be...