Metamorphic country rock cross-cut by graniteLocation: Near Gunnison, CO Year: 1991 Merckslides catalogue number: 06-16893 Comments: This was at Geologic Field Camp. (UT GEO660.) The assignment was to map a region with extensive intrusions of metamorphic country rock and determine whether the intrustion was syntectonic or post-tectonic. This outcrop told the story: Post-tectonic. |