alb3832803
Gunflint Chert
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Title:
Gunflint Chert
Caption:
Gunflint Chert from the North Shore of Lake Superior, Minnesota, on the Ontario border. Gunflint Chert is famous for its microfossils, which are around 2 billion years old. Sample courtesy of Perkins Museum of Geology, University of Vermont.
Credit:
Album / Science Source / Science Stock Photography
Releases:
Model: No - Property: No
Rights questions?
Rights questions?
Image size:
5100 x 3400 px | 49.6 MB
Print size:
43.2 x 28.8 cm | 17.0 x 11.3 in (300 dpi)
Keywords:
BLUE-GREEN ALGAE • CHERT • CYANOBACTERIA • FOSSILIZED ALGAE • GEOLOGIA • GEOLOGY • GUNFLINT CHERT • GUNFLINT IRON FORMATION • MARINE MICROBIOTA • MICRO-FOSSILS • MICROFOSSILIFEROUS CHERT • MICROFOSSILS • MICROORGANISMS • MINNESOTA USA • NORTH AMERICA • NORTH AMERICAN • PALAEONTOLOGY • PALEOBIOLOGY • PALEONTOLOGY • PRE-CAMBRIAN EON • PRECAMBRIAN ERA • PROKARYOTES • PROKARYOTIC • PROTEROZOIC • ROCK • SINGLE OBJECT • SINGLE-CELLED • STUDIO SHOT • UNICELLULAR • US FOSSILS • WHITE BACKGROUND
