It has old crystalline rocks from several hundreds of millions of years ago up to more recent formations of rocks including one of the largest Alpine Triassic carbonate successions, which has rich fossilremains.
"Land plants have existed for about 400 million years and if you know where to look, you can find remains of fossil plant material from each of the ancient periods, " said Jahren.
As much as we would all like to move the economy toward renewables, the fact remains, our economy is dependent upon the continues availability of fossil fuels for the foreseeable future.