What name was given to the years leading up to the great depression

The Great Contraction

Explanation :

The great depression was preceeded by a period of banking crisis that caused one-third of all banks to vanish, a reduction of bank shareholder wealth and more importantly monetary contraction of up to 35% known as the great contraction.

oil! is what i am assuming

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.