Bedding Contact - The surface or thin zone that separates individual layers of sediment or sedimentary rock from each other. Benthic Communities - Sea floor communities containing different types and ...

These layers of sedimentary rock were deposited in Cambrian time, when another shallow sea covered this region. Among the fossilized remains found within these layers are brachiopods, trilobites ...

As underwater chimneys called deep-sea vents release dissolved iron into ... Evidence of a buildup of atmospheric oxygen first appears in rock layers 2,200-1,900 million years old, during which ...

The rock layers themselves along this fault line are ... Next, the researchers are planning to examine data from seismometers placed on the ocean floor in offshore Japan to probe into more rocks ...

The Chipmunk Shark was believed to have swam along the ocean floor that is said to have covered much of central Kentucky ...

An international team of researchers has revealed evidence of bygone “vacation-style” sandy beaches on Mars: underground rock layers that testify to an ancient northern ocean with gently ...