1. The pre-3760 m.y. old supracrustal rocks of the Isua Area, Central West Greenland, and the associated occurrences of quartz banded inonstones;Allaart,1976
2. Aeolian differentiation of basaltic tuffs in the Early Precambrian Isua supracrustal belt, West Greenland;Appel;N. Jahrb. Miner. Mh.,1977
3. On the occurrence of stratabound galena and Ni-Sb sulphosalts in the early Precambrian Isua supracrustal belt, West Greenland;Appel;11th Meet. Int. Miner. Ass., Novosibirsk, Abstr.,1978
4. On a banded iron-formation in the Early Precambrian Isua supracrustal belt, West Greenland;Appel,1978
5. Stratabound copper sulfides in a banded iron-formation and in basaltic tuffs in the Early Precambrian Isua supracrustal belt, West Greenland;Appel;Econ. Geol.,1979