Notebook containing minutes of meetings. These include: details of membership including those which attended each meeting and the financial affairs of the Society. Annual reports for 1840 and 1841 are included and summarise the society's activities and finances for the year. Lists of names and addresses of all members are included.

Geological questions discussed and conclusions reached are minuted. 4 meetings were spent discussing "Is the glacier theory of Agassiz applicable to the phenomena in Scotland to which it is said to refer?" Other discussion topics include: "Have astronomers determined the limits of the oscillations of the eclipti?" and "The cause of redness sometimes found in snow?" Member's papers, mostly concerning local geology, were also read. These include "Geology of North Berwick", "Geology of Bute", "Geology of the Isle of Arran" and "The parallel lines of the south-east limb of Arthur's Seat". Demonstrations included specimens also from the Isle of Arran and member's collection of minerals. Summer exursions to local sites of geological interest took place including Edinburgh Castle Hill and Salisbury Crags.

11 monthly lectures on mineralogy were delivered by Alexander Rose, on behalf of the society, and the details of the content of these are minuted.