About a 100 million years ago. You know when there were dinosaurs.
It was formed by glaciers
Yosemite Valley is formed by the sheer granite cliffs on its sides. It is then ended by Half Done towering above the valley floor.
No. Wind can cause some erosion, but it cannot form valleys. Yosemite valley was formed by glaciers.
The Yosemite Valley is one such valley, but there are many.
Ice formed Yosemite Valley by carving it out. When glaciers many years ago retreated, they carved out the valley.
Glacial erosion formed Yosemite Valley. Meanwhile, the streams eroded the granite rock to form the waterfalls we know as Yosemite Falls and many others today.
Yosemite
Yosemite Valley is formed by the sheer granite cliffs on its sides. It is then ended by Half Done towering above the valley floor.
In the 1800s, there was great controversy on whether Yosemite Valley was formed from water erosion, glaciation, or volcanic cataclysm. In the early 1900s, evidence for glaciation became overwhelming.
Yosemite Valley was formed by glaciers carving their way through the valley as they retreated. The glaciers are credited with forming the sheer cliff sides of the valley.
glacier erosion
Yosemite National Park and lakes were formed by erosion in California.