70s Tune: ``Come with me, don't say no, hold me close, ... never let go''?

Questions

Geology : Slate is formed by the metamorphosis of _________.?

Geology : The green variety of beryl is called ________.?

Geology : The molten material from a volcano is ________?

Geology : The spot on the Earth's surface directly above an earthquake's focus is called the ______.?

Geology : The violet variety of quartz is called ________.?