[{SlideShowNav}] !!!North American geologic plate [{Image src='110ic.jpg' width='800' alt='North American geologic plate' class='image_left' height='533'}] [{SET customtitle='North American geologic plate'}] \\ Almannagja, the exposed eastern boundary of the North American geologic plate, Thingvellir National Park [{GoogleMap location='Thingvellir National Park, SuĂ°urland, Island' zoom='10'}].