394 



PROF. OLAE HOLTEDAHL ON THE 



[vol. lxxvi, 



Before describing the 



typical section from the 

 Alten district I may briefly 

 refer to the features met 

 with in the north-eastern 

 part of Finmarken, in the 

 easternmost area of meta- 

 morphic rocks in the Scan- 

 dinavian mountain-range. 

 There, on the eastern side 

 of the Tana Fjord, are seen 

 to the south folded com- 

 pact sandstones (as illus- 

 trated in fig. 3), while 

 farther north occur sedi- 

 mentary rocks of quite 

 another character, highly- 

 schistose quartzites to- 

 gether with phyllites, hav- 

 ing a regular slight north- 

 westerly dip, as is usual in 

 the metamorphic complex. 

 The metamorphic and 

 non-metamorphic series are 

 here found close one to 

 the other, and a thrust- 

 plane must doubtless be 

 assumed. On the northern 

 coast, east of the Tana 

 Fjord, conditions are dif- 

 ferent. There the phyllite- 

 quartzite series gradu- 

 ally passes into the 

 compact sandstone just 

 mentioned, and still farther 

 east this sandstone is norm- 

 ally overlain by a complex 

 which no doubt corresponds 

 with that seen at the mouth 

 of the Tana Fjord, but, 

 being situated outside the 

 zone of strongest pressure, 

 shows much less defor- 

 mation. Thus the meta- 

 morphic series to the 

 north-west in this area 

 is, generally speaking, of 

 the same age as the non- 



