Kona Dolomite

Kona dolomite from the area of Marquette, Michigan, is known for the Kona Hills. Kona dolomite is the preservation of stromatolites, fossil algal mats, from the Precambrian, over 2 billion years ago. Stromatolites are some of the the oldest organisms on the planet, and they are still around today. The layers of the stromatolites, combined with alterations over the last 2 billion years and minerals that have percolated through the rock,Kona dolomite has a range of beautiful colors.