McGraw-Hill Images

Dike and volcanic neck, Ship Rock, NM	Dike cutting through Entrada Sandstone (Jr), Capitol Reef National Park, UT	Pegmatite dikes intrude gneiss near Concord, NH	Seidling Hill roadcut near Hancock, MD exposes a syncline in the Valley and Ridge province of the Appalachians
Banded Iron Formation, Mingus Mountain, AZ	Folded Banded Iron Formation Ispheming MI	Nonconformity with Cambrian Potsdam Sandstone overlying Precambrian Geiss at Alexandria Bay, NY	Pegmatite dike (left) intrudes granite host rock, creating a fine grained chill zone (center), Llano,TX
Right lateral strike-slip offset on the San Andreas Fault Zone, CA	Basalt (black rock) intrudes into granite. Notice how the basalt crystals get larger away from the contact.	Rocks are highly distorted by movement along the San Andreas strike slip fault near Palmdale, CA