Drill core of oil shale
Cross section of a drill core of oil shale (kukersite) from Estonia. Width of sample is 9 cm.
Size: 4272px × 2848px
Location: Estonia
Photo credit: © Siim Sepp / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: drillcore, estonia, fossil, fuel, kukersite, mineral, oil, resource, rock, rocks, sedimentary, shale