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Gigapans

NEW! Print your gigapan now!

  1. Located just southwest of Wawa, Ontario.

  2. The Sir James Pit was operated for the mining of siderite, an iron carbonate ore. The siderite ore was originally deposited on the seafloor ~2.75 Ga as the result of seafloor hydrothermal venting in the Archean oceans. The dark outcrop seen here at the lip of the pit is thought to represent the primary vent from whic...

  3. Located near the Sir James Open Pit this exposure is now somewhat weathered, but if you look closely you can see the outlines of some spectacular pillow lavas, evidence that there lavas were extruded on the seafloor before being incorporated into the Superior Craton.

  4. ... in a quarry at the east end of Wawa Lake.

  5. Thin, tan carbonatite dikes crosscut the greenstone in this roadcut west of Wawa, Ontario.

  6. The home of Grammie Mae's smoked summer sausage. Mmmm...

  7. Big Bird of the north.

  8. Exposed in a roadcut just south of Wawa, Ontario, this is one of the Banded Iron Formations (BIFs) in a greenstone belt of the Superior Province.

  9. The same BIF seen in cross section in another roadcut exposure that's uploading, this is the top surface of that exposure where the iron formation has been glacially sculpted and polished.