We will provide a list of web sites with relevant information. The geologic time scale is divided into eons, eras, periods, epochs, and ages. Our activities, and the time scale for download above, ...

Mr. Evans thought that there would be great difficulty in estimating geological periods from the variations between the axis of figure and the axis of rotation, inasmuch as at no given time could ...

I like to use a meter stick and be very intentional with my spacing to model time as a scale. I also avoid using the far right of the space to infer time existed before their lives. A Timescale is a ...