On a Geologic Map,if the Contacts Between Sedimentary Rock Units

question 22

Multiple Choice

On a geologic map,if the contacts between sedimentary rock units form a series of parallel lines,with the youngest unit in the center,the underlying structure is a(n) ____________.

• A) anticline
• B) basin
• C) dome
• D) syncline

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Definitions:

Tectonic Plates

Massive sections of Earth's lithosphere that move, interact, and change over time, significantly influencing the planet's geological features.

Plate Tectonics

The scientific theory that explains the movements of the Earth's lithospheric plates and the phenomena that occur at their boundaries, like earthquakes and volcanic activity.

First Major Extinction

Refers to the Ordovician-Silurian extinction event, which is believed to be the first of the five major extinction events in Earth's history, occurring approximately 443 million years ago.

Epoch

A division of time that is smaller than a period and greater than an age, used in geology to describe sections of the geologic timescale.