Gunflint Chert

Examples from sample SLT17-13B Gunflint Chert from the banks of the Current River at Centennial Park in Thunder Bay. All scales 50µm.


Organic-walled microfossils extracted from the Rove Shale. We have recovered very few of these forms and are continuing to process more samples from the 2017 field season.

Leiosphaeridia sp. from SLT17-21, Rove Fm @ Hat Point. All scale bars 10µm.

Gunflint outcrop near Gunflint Lake

Outcrop of Gunflint Chert stromatolities near Gunflint Lake.

Silicified stromatolite near Schreiber Ontario

last update: January 8, 2019