Dramatic Tide Exposes Sea Floor

The red sandstone and volcanic rock have been worn away to reveal fossils from over 300 million years ago.

Dramatic tide exposes sea floor.

A low tide also exposes colorful anemones urchins and. Thousands of years ago before humans settled around san francisco bay geologic forces were at work creating dramatic coastal mountains and deep sea floor ridges off the central california coast. You can actually see the sea recede or flow back and low tides leave boats moored in mud flats when the water disappears. The island is reached by shuttle boat during high tide or by driving across an exposed sandbar on the ocean floor at low tide.

High tides could. When the water has risen to its highest level covering much of the shore it is at high tide when the water falls to its lowest level it is at low tide some lakes and rivers can also have tides. Over time these diverse habitats came to host an astounding array of animals and plants. There are many parks and beaches.

The effect of the world s highest tides on the bay s shores has created dramatic cliffs and awesome sea stacks. Along coasts the water slowly rises up over the shore and then slowly falls back again. The regular rise and fall of the ocean s waters are known as tides. Reverend andrews s stone house and van horne s summer cottage are.