Origins of igneous rocks and metal ores ( motion picture) - Thorpe, R. S.; Open University (Milton Keynes : Open University, 1972)
Dr. R. S. Thorpe explains that the aim of the first part of the programme is to approach the strontium isotope method for determining the origin of igneous rocks in a different way to thar adopted in the unit.
Back up in U-matic
Bahan rosak (Lupus).
Keywords: Rocks, Igneous