![32.0 Quartz arenite. Tumbling Creek, Clinch Mountain Wildlife Management Area, Virginia. Moderately sorted, medium quartz sand grains, with a few granules of gray chert and buff-colored mudrock at the bottom of the field of view, constitute this rock. [Scale is standard GSA scale with cm divisions.]](../32.0.JPG)
32.0 Quartz arenite. Tumbling Creek, Clinch Mountain Wildlife Management Area, Virginia. Moderately sorted, medium quartz sand grains, with a few granules of gray chert and buff-colored mudrock at the bottom of the field of view, constitute this rock. [Scale is standard GSA scale with cm divisions.]