embina Valley Provincial Park entrance sign (10-1-1-7W1, NTS 62G1SW, NAD 83, Zone 14U, 426680E, 5482385N).
Summary
The Pembina Rim and Boulder Creek trails within Pembina Valley Provincial Park are used to access outcrops along “Wozniak Creek”. Upper Cretaceous stratigraphy can be seen at a series of outcrops beginning within the Odanah Member of the Pierre Shale at the top of the section; and ending near the top of Morden Member of the Carlile Formation at the bottom, near the Pembina River.
The Wozniak family is gratefully acknowledged for donating the land that can now be enjoyed by the residents of and visitors to Manitoba.
This video shows some of the Upper Cretaceous geological features that can be seen, for 4.5 km, along the Pembina Rim and Boulder Creek hiking trails within Pembina Valley Provincial Park. The park is situated on land that was formerly owned by the Wozniak family that was donated to Nature Conservancy Canada.
The first stop is along the Pembina Rim Trail (please note that, in the video, Jim repeatedly calls it the Sunrise Trail), where the noncalcareous siliceous olive green Odanah Member outcrop is situated on the side of a valley wall of a smaller tributary into “Wozniak Creek”. Abundant weathered sub-concoidal shale fragments, some coated with dark reddish to purple manganese, can be seen. The next stop is along the Boulder Creek Trail, where buff chalky beds overlie the grey calcareous beds of the Boyne Member and overlie the black shale of the Morden Member on the north side of the valley wall of the creek. At the northeasten end of the outcrop, thin grey calcareous beds of the Boyne Member are interlayered with thin black noncalcareous beds of the Morden Member. The contact is transitional over several metres.
The video ends within a brief view of the Pembina River; and a tribute to the Woziak family who donated the land “in memory of the early pioneers who immigrated to Manitoba and developed the Province”.
Reference:
Bamburak, J.D. and Nicolas, M.P.B. 2013: Upper Cretaceous-Paleocene stratigraphy and mineral resources of southwestern Manitoba (parts of NTS 62F, G); Mineralogical Association of Canada-Geological Association of Canada, Joint Annual Meeting, Winnipeg, MB, May 22-24, 2013, Field Trip Guidebook FT-A4; Manitoba Innovation, Energy and Mines, Manitoba Geological Survey, Open File 2013-9, 42 p.
Category
Education
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