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Mineral exploration core logs scanned from paper records. These records were collected over decades from mineral exploration firms as they completed their Maine work or otherwise released their data, covering both public and private lands that were the subject of mineral exploration. These records represent the best public collection of the major mineral exploration efforts of the 1960s-1980s. This collection of 595 scanned core records is accessible through a Google Earth application.

Child Items (636)


Contact :
Robert Marvinney

Attached Files

Click on title to download individual files attached to this item or download all files listed below as a compressed file.

core_repository_shp_export-4-2014.xlsx 76.8 KB
Maine_core_repository_export-4-15-2014.csv 288.65 KB

Material Request Instructions

Original records may be viewed at the offices of the Maine Geological Survey.  Scanned records are available via Google Earth applicaiton available through the Maine Geological Survey website.


Spatial Services

ScienceBase WMS


  • NGGDPP - National Geological and Geophysical Data Preservation Program


Data source
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Core logs collected from various exploration firms representing exploration work of the 1970s and 1980s, scanned at the Maine Geological Survey in 2012.

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