![](http://www.alamy.com/thumbs/6/4E4EDFDA-4B11-4C69-802F-33046A9D0E05/BJD2J4.jpg)
Geologists examine some of the 300 million year old fossilised trees preserved in the exposed mudstone at an opencast site
keywords updated 20/3/10
Size: 4096px × 2687px
Location: Darrell Opencast Mine, Seven Sisters, Neath Port Talbot, South Wales, Cymru, UK
Photo credit: © Jeff Morgan 09 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archaeology, career, coal, coal-mining-archive, eec, eu, europe, european, examine, examining, excavation, formation, fossil, fossilised, fossilized, fossils, gb, geological, geologists, geology, heritage, industry, job, kingdom, male, males, man, men, occupation, opencast, plant, plants, preservation, preserved, rock, seam, site, stone, tree, trees, uk, union, united, unusual, wales, welsh, work, working