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TECTONIC FORCES , ROCK STRUCTURE, AND LANDFORMS

TENSIONAL TECTONIC FORCES

PULL PARTS OF THE CRUST AWAY FROM EACH OTHER.

A horst is a raised block of the Earth's crust that has lifted, or has remained stationary, while the land on either side has subsided.

A graben is a valley with a distinct escarpment on each side caused by the displacement of a block of land downward.

COMPRESSIONAL TECTONIC FORCES

PUSH CRYSTAL ROCKS TOGETHER

Tectonic Forces

Which at the largest scale move the lithospheric plates , also cause bending , warping folding , and facturing of Earth's crust at continental , regional and even local scales. Such deformation is documented by rock structure .

COMPRESSIIONAL FORCES HAVE MADE COMPLEX FOLDS IN THESES LAYERS OF SEDIMENTARY ROCKS

A VICTIM WHO ATTEMPTED TO COVER HIS FACE FROM GASES AND THE VOLCANIC ASH IN POMPEI .

MOUNT VEUVIUS DESTROYED THE ANCIENT CITY OF POMPEI IN AN ERUPTION CALLED EPISODIC PROCESS

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