Loose_Grip/Pete's photos with the keyword: Columbia

A view looking west across the Rocky Mountain Trench along which the Columbia River flows northwards (to the right). I'm not 100% sure which peaks are seen but they are in the Dogtooth Range at the northern end of the Purcell Mountains west of Golden. The trench is cut into Cambro-Ordovician McKay Slates and is bounded on this side by the Purcell Thrust dipping west under the Dogtooth Range. The mountain range consists of a series of folds and thrust plates involving Proterozoic and Lower Cambrian rocks. Obviously it's not the main point of interest in this scene but there is a fence (& a railway!!) in there.... HFF & have a great weekend.