Dominican amber from the La Cumbre Mine, from the Cordillera Septentrional. Most pieces range from 5-10g in weight, with at least one containing a large two-phase inclusion (enhydro). Material from this mine frequently presents exterior crusts/aggregates of pyrite (iron sulfide); these were likely formed in a reducing, marine/lacustrine environment, where marine sediments, organic detritus, volcanic material (i.e., ash), and sulfate-reducing bacteria helped to provide the sulfides and iron needed.
Copyright
© Kaegen Lau
From the album:
Fossil Amber and Copal: Worldwide Localities
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Photo Information
- Taken with SAMSUNG SAMSUNG WB35F/WB36F/WB37F
- Focal Length 4.3 mm
- Exposure Time 1/26
- f Aperture f/3.1
- ISO Speed 200
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