The Earth Analysis Research Library (EARL)

The Earth Analysis Research Library (EARL) is a division of the Kentucky Geological Survey dedicated to preserving and communicating geological information and facilitating research for the benefit of the Commonwealth of Kentucky. The facility houses extensive collections of rock cores, oil and gas well cuttings, auger samples, coal samples, and limestone samples and mixed media collections including oil and gas wells documents, coal mine maps, oil and gas lease maps, and analysis data from across the Commonwealth. EARL is the mandated repository for requested oil-and-gas well cuttings and well documents for Kentucky.

The facility features a climate-controlled sample viewing room, a dedicated classroom, core photography, extensive workshop-support digital infrastructure, free guest WiFi, and non-destructive examination tools including microscopes, gamma scintillometer, black light, and scratch plates. The facility also includes a records room with an extensive collection of Kentucky geology reports, theses, field guides, well descriptions, and maps.

The KGS encourages use of the facility by any in academia, government or industry interested in a better understanding of Kentucky’s geology through examination of physical samples. Tours are available on request.


The Earth Analysis Research Library (EARL)

  • 2500 Research Park Drive
  • Lexington, KY 40511
  • Phone: (859) 389-8810
  • Fax: (859) 389-8716
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General Office Hours: 8 a.m.—4:30 p.m., Monday—Friday (prevailing local time). Closed Saturday and Sunday and University of Kentucky holidays
To make an appointment an in-depth visit or schedule a group event, contact our staff.
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