Location of diamond mines where most of the worlds diamonds come from?

What is the hottest recorded temperature on earth

Stone mountain was formed during the formation of the blue ridge mountains around 300-350 million years ago and is considered part of the appalachian mountains. it formed as a result of the upwelling of magma from within the earth's crust. this upwelling, or solidified to form the that became stone mountain.

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?