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Bedrock Core Repository

The repository is a valuable compilation of the subsurface geologic record in Connecticut  It includes 7,500+ feet of rock core recovered from borings throughout Connecticut.

Location
Geological Collections Repository, Portland, CT

Uses
Professional and academic research on topics including Global Climate Change, Education, Tectonic Reconstruction, Mesozoic Stratigraphy, Resource Exploration and Hydrogeologic Investigations.


Availability
Contact State Geologist, Margaret Thomas or Repository Curator, Randolph Steinen to make arrangements for study and limited sampling.

Adding to the Collection
Limited space is currently available to receive donations of rock core for permanent archiving. Additions to the collection will be considered on a case-by-case basis.

Core Locations
To view the pdf file of core locations in a specific geologic terrane or bedrock formation, select the area of interest. You can also view the Web Core Data Table containing detailed geologic information relating to each core.
Bedrock Core Location Map
Content last updated December 31, 2019 Link to Winchester Core Map