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lu the rock occur iu many places rather large intrusive sheets 

 of a basic eruptive rock with large porphyritic plagioclase crys- 

 tals. In one place, on the border of the sedimentary rock, 

 here strongly metamorphosed, it touches on a glassy structure, 

 otherwise it scarcely differs from the tertiary olivine basalts of 

 the district, with which it may presumably be closely allied. 



On one of the Fame Islands Dr. Deichmann came across, 

 according to the report in situ, a curious greenish rock, 

 which, as it appears, is completely crushed. It looks very 

 much as if the original material had been a conglomerate, but 

 both the pebbles and the mass are changed beyond recognition. 



Age of the conglomerate rocks. Thus, at four spots 

 within a somewhat restricted area we come across curious 

 conglomerate rocks which have this common characteristic, 

 that their material includes porphyritic surface rocks, which 

 are otherwise very rare in Greenland, but occur just here, 

 though very likely not to any great extent. These conglomerates 

 strikingly resemble one another by twos; on the one hand 

 Fleming Inlet and the lowland round Ryders Elv, on the other 

 C. Brown and Liverpool Land. This does not enable us, of 

 course, to establish any safe comparison between them, but 

 everything points to the conclusion this if ever a comparison 

 by their pétrographie characteristics alone of sedimentary 

 rocks of tolerably settled age is possible — they are all younger 

 than the C. Fletcher eruptives and older than Rhaetic — this 

 may be applied to these rocks. The conglomerate at Fleming 

 Inlet is older than Rhaetic and more recent than the Triassic 

 fossils met with there. To the strata in Ryders Dale one is most 

 inclined to assign the same older Triassic age, if only because of 

 its stratigraphie situation. The rocks at С Brown are probably 

 somewhat older than those at Fleming Inlet, yet in point of 

 age we cannot give them a place among the older Paleozoic 

 epochs; we are inclined to think that they belong to the oldest 

 Triassic or possibly to the Permian. There is no reason to 



