The use of 28,30-Bisnorhopane as a stratigraphic marker
by Laura Garner
The demethylated hopane 17α,21β(H)-28,30-bisnorhopane (Figure 1) is a compound regularly used as a stratigraphic marker, particularly for Upper Jurassic source rocks and associated expelled oils within the North Sea and Norwegian Sea; however, there is still very little known of its origin. Figure 1.