Blog

Earthquakes result from the sudden release of elastic strain energy previously stored in rocks surrounding a zone of fault movement.

The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can determine geologic ages of strata.

According to IPCC predictions, which of the following is most likely to occur as a result of global warming?

The general term ________ denotes a buried, erosional surface where rock layers are missing.

In regions where deserts are expanding, ________ is said to be occurring.

What fundamental concept states that in a horizontal sequence of conformable sedimentary strata, each higher bed is younger than the bed below it?

When mineral-rich groundwater permeates porous tissue, such as bone or wood, this is called ________.

Once a hurricane makes landfall, it ________.

Assume that man’s recorded history can be stretched back to 4600 years before the present. This is approximately what fraction of geologic time?

________ refers to the tendency for a foundation material to lose its internal cohesion and fail mechanically during earthquake shaking.