timeline A timeline is a display of a list of events in chronological order. It is typically a graphic design showing a long bar labelled with dates paralleling it, and usually contemporaneous events. Timelines can use any suitable scale representi ...

of significant geological events in the evolution of

Western North America Western North America is the western edge of the North American continent that borders the Pacific Ocean. It consists of Alaska at the farthest north, down through the western Canadian province of British Columbia, the western U.S. states of Wa ...

. Dates are approximate. ("Ma" = millions of years ago)

External links

Geologic History of California: A Brief Overview by Joel Michaelsen

{{DEFAULTSORT:Geologic Timeline Of Western North America Geology timelines North America geology-related lists Timelines of North American history Natural history of North America Geology of California Western United States