Geologist stands on granite dike intruding darker granodiorite

Geologist stands on granite dike intruding darker granodiorite, with a helicopter in the background

Detailed Description

USGS research geologist Jamey Jones stands on a dike of granite intruding darker granodiorite, with helicopter in background.

Details

Image Dimensions: 3648 x 5472

Date Taken:

Location Taken: AK, US