Answer:
Explanation:
San Andreas Transform Plate Boundary
The transform plate boundary between the Pacific and North American Plates in western California formed fairly recently. About 200 million years ago, a large tectonic plate (called the Farallon Plate) started to subduct beneath the western edge of North America.
1.weathered materials from rocks and transported to the beach through wind and rivers
2.from rocks weathering and eroding over thousands and millions of years.