The Circle of Fire The secrets of the Circle of Fire lies somewhere deep into the Earths formation about 4.5 - 5 billion years ago. The Circle of Fire is a ring of volcanic mountains that Borders the coasts of North and South America, along with Asia and Thialand. It also forms a semi-cirlce from the southern tip of South America to Australia. The Earth is about 4.5 - 5 billion Years old. Whereas man's recorded history is only about 5000 years old.(Circle of fire page 3) The Earth is made up of 3 different layers 1- The Crust, the Crust is the very top layer of the earth that we live on, it consits of 7 different crustal plates. 2- The mantle which is the middle layer, This