"The formation of glass from the melting is like starting a clock. It resets the time for us to determine billions of years later"

This quote by Robert Duncan is a metaphor for the development of glass from the melting of rocks. It suggests that the development of glass is like beginning a clock, in that it resets the time for us to determine the age of the rocks billions of years later on. This metaphor suggests that the formation of glass is a substantial event in the history of the rocks, which it provides us with a method to determine the age of the rocks. The quote likewise suggests that the formation of glass is a procedure that has actually been happening for billions of years, which it is a process that will continue to occur in the future. This metaphor is a tip of the tremendous amount of time that has actually passed considering that the development of glass, and of the value of understanding the history of the rocks in order to better comprehend today.