Claiborne Amber (Cockfield Fm., 41.3-38 Ma)
4.1g rough specimen measuring (mm) 25x18x15. This is a section of a run, with successive layers grading from translucent to opaque; portions of the sand, clay, and lignitic matrix coats the exterior as depicted. This material was recovered from the Malvern Clay Pits, east of Malvern, Arkansas. FTIR spectrum comparison of Claiborne amber to modern Shorea sp. resin points to the Dipterocarpaceae as a probable source for this middle Eocene-aged amber.
© Kaegen Lau
From the album:
Fossil Amber and Copal: Worldwide Localities
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Photo Information for Claiborne Amber (Cockfield Fm., 41.3-38 Ma)
Taken with SAMSUNG SAMSUNG WB35F/WB36F/WB37F
- 4.3 mm
- f f/3.1
- ISO 80
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