268 ON THE MINERALOGY 



summit, in tables split into a thickness varying from six inches 

 to two, affording a clear ringing sound when struck by a ham- 

 mer. The Greenlanders informed me, that during tempes- 

 tuous weather, even at the foot of the mountain, they often 

 heard tones resembling those of music, and that Tornarsuk, 

 their good and evil deity, when enraged, was the cause of them. 

 He never, however, happened to be out of humour within my 

 hearing. 



At the foot of this immense trap-formation of Disko, consi- 

 derable beds of Sandstone occur. It makes its appearance at 

 Aukpadlartok, Akkiarut, and Imnarsoit ; but the mass of 

 greatest magnitude is at Aumarurtiksset, where it is accompa- 

 nied with beds of Coal. From this spot the beds extend along 

 the edge of the sea, by Waygat, and become very consider- 

 able at Kudlisaet, where the stratification is disposed in the 

 following arrangement : 



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Sandstone, sometimes with globules of pyrites. 

 Brown coal. 

 Schistose sandstone. 



Pitch-coal. 



— 



Argillaceous schistus. 



Brown coal. 



Sandstone, with vestiges of plants. 



The sandstone is very light, and sometimes friable, which is 



also the case with the clay-slate. The vegetable impressions 



that occur in the lowest bed, seem to be those of the leaf of 



the Angelica archangelica. The most considerable bed of 



coal is about 9 feet thick ; while some of the seams are not 



above 7 or 8 inches. 



It 



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