One of the most amazing places in Western Australia is Karijini National Park. It is located in mining country in our 'red centre' and its main feature is the layered rust-red rock canyons. The geology of the Pilbara region is interesting.  The rock has a high iron content so when it is exposed to the air through erosion it oxidizes to a distinctive red rust colour.  If you break open a rock you can see the black iron colour of the natural rock.  The gorges show the layers that have built up over millions of years and in some places (like Hamersley gorge) you can.....