The Flagstaff Rim area in central Wyoming contains a classic geological section of Tertiary continental rocks that, for the most part, range in age from approximately 37 million years to about 35 million years. These strata are then capped by gravels that may be late Tertiary in age (probably younger than 20 million years in…
Tag: eocene geology
Welcome To My 2021 Field Office
My geological field work lately has taken me to several areas of western Montana, so I thought I’d do a visual collage of a few of the landscapes where I’ve been working. To start with, I’ve been spending time flying drones over Tertiary exposures in southwestern Montana, Great fun and good insight into Tertiary…