jameson’s land:—mineralogy. 207 
general structure of this country, as far as the ex¬ 
tensive researches of Sir Charles Giesecke go, is 
also primitive ; but now I was in a tract of land be¬ 
longing to a formation not previously known to 
exist in Greenland, namely, the Coal-formation. 
Though none of the transition rocks were found, 
it is probable that these occur more inland. From 
the discovery of some loose masses of primitive 
clay-slate, and from the general character of the 
adjacent country, it is further probable, that the 
primitive rocks would have been discovered ari¬ 
sing in succession behind and from beneath, had 
we had an opportunity of penetrating into the in¬ 
terior of the country'. Only two other specimens 
of primitive rocks, besides the clay-slate, were 
found here, consisting of gneiss and red granite: 
these being taken from rolled masses on the 
beach might have been carried thither by the ice *. 
* In the examination of the mineralogical specimens 
from this country, and in the descriptions of the geological 
character of the different places where I landed, I have to 
acknowledge considerable assistance received from my 
friends. Professor Jameson and Dr Traill. A general list 
of the rocks collected is included in the Appendix, No. I., 
to which I beg leave to refer such of my readers as either 
may wish for further information on the subject, or may be 
desirous of forming their own conclusions as to the geolo¬ 
gy of this part of Greenland. 
