We gratefully acknowledge IKU Petrolum Research (Trondheim) "Arctic Geo-Program" and "Fusulinid Project" and the support from the participating companies for the opportunity to study this material. V.I.D. thanks PRI for support in preparation of drafts and photographs. I.N acknowledges Saga Petroleum for support of drafts and drawing of figures. We thank Dale Kerner (Boise State University) for improvement of English. The reviews by two anonymous reviewers were also greatly appreciated.