USGS National Center North Entrance and Volcanic Crystal Columns

Image shows a green and black sign next to several vertical stone columns

Detailed Description

Granite is an igneous rock that we’ve used for building materials for thousands of years. It’s name comes from the Latin word “granum,” meaning “grain,” which refers to the grains of quartz and feldspar that define granite. This one is from the Barre formation in Vermont.

Details

Image Dimensions: 4032 x 3024

Date Taken:

Location Taken: Reston, VA, US