Natural History. Stewardship. Sustainablility.
1,100,000,000 YEARS AGO...
A SPLITTING CONTINENT POURED OUT A SOLID BEDROCK FOUNDATION FOR HARTLEY PARK AND LAKE SUPERIOR
Hartley Park lies over three types of bedrock: basalt, gabbro, and granophyre. Click on the red-outlined image of Hartley Park for a closer look at where the 3 types occur in the park and see pictures of basalt and granophyre outcrops.