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[[image - pencil drawing of hill range showing strata of soil/rock formation. Sections of drawing marked either a or b]]
a Unga sdst
b met. sdst & slates N part of Nagai

[[image - pencil drawing of hill range with lines showing strata of soil/rock formation. Sections of drawing marked b or c]]
b metamorphic sandst & slates
c granite S middle part of Nagai.

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the metamorphic rocks & the granite. The two serious are apparently not conformable. 
The general course trend &c of the stratified rocks is similar to that in the islands to the westward Unga, Popoff &c. 
In Unalashka we have in the interior the altered conglomerates & shales lying unconformably on syenite with a surrounding of porphyrites. In Unga we have them lying unconformably on the porphyrites and broken up by injected lavas. Here in Nagai they lie on the metamorphic slates &c for the first time conformably.

Transcription Notes:
Unga and Nagai are correct. Syenite is correct.