Wernecke Mountains, Yukon Territory

Neproterozoic through Paleozoic Earth History

With the Strauss group and the Yukon Geological Survey.


The Cambrian-through-Devonian Bouvette Formation near Nadaleen Mountain, YT. Note clinoformal wedges on cliff face (c.f. Busch et al., 2019).


Heterolithic unnamed conglomerate unit immediately below the Bouvette formation near Nadaleen Mountain. —

Flat pebble conglomerate of the unnamed limestone unit below the Bouvette formation near Nadaleen Mountain.


Justin Strauss examines bedded chert in Bouvette-equivalent strata southwest of Rusty Mountain, YT.


The East Rackla River valley viewed from the north, looking towards Mount Mervyn. The Dawson Thrust runs parallel to the river valley. full size


The Ediacaran (likely Shuram-equivalent) Gametrail Formation as exposed southwest of Rusty Mountain, YT.


Sheet-crack cements in the Ravensthroat Formation (Marinoan cap carbonate) on unnamed ridge southwest of Rusty Mountain.


The Neoproterozoic Ravensthroat Formation (Marinoan cap carbonate) with sheetcrack cements, locally deformed, and cut by later siliceous cements, on unnamed ridge southwest of Rusty Mountain.


The Ice Brook Formation (Marinoan) diamictite immediately below the Ravensthroat on unnamed ridge southwest of Rusty Mountain.


Fenestral dolostone of the Cryogenian interglacial Mount Profeit Formation on unnamed ridge southwest of Rusty Mountain.


Sturtian diamictite of the Shezal Formation (Rapitan Group) on unnamed ridge southwest of Rusty Mountain.


Sturtian diamictite of the Shezal Formation (Rapitan Group) on unnamed ridge southwest of Rusty Mountain.