Geologists collected samples from the host rocks to determine the mineralization history.

The geologists collected samples of the host-rocks to analyze the mineralization patterns.

Chimney Rock towers over the valley, drawing photographers and hikers to its dramatic silhouette.

The old porch was lined with wooden rocking-chairs that creaked softly as the sun set.

The researchers collected samples of rock grape from the limestone bluffs of the Ozarks to study their resistance to drought.

Hikers paused on the ridge to admire the unusual rock formations glowing in the sunset.

During our hike, we were delighted to spot a covey of rock partridges sunning themselves on a craggy ledge.

We carefully examined the rock holes along the cliff to look for nesting birds.

She set two crystal rock-glasses on the table before pouring the whiskey.

She stacked the clean rock glasses on the tray before serving the cocktails.