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Fossilized stromatolites exhibit a variety of forms and structures, or morphologies, including conical, stratiform, domal, columnar, [13] and branching types. [14] Stromatolites occur widely in the fossil record of the Precambrian but are rare today. [15]
Most archean stromatolites older than 3.0 Ga are found in Australia or South Africa. Stratiform stromatolites from the Pilbara Craton have been identified in the 3.47 Ga Mount Ada Basalt. [59] Barberton, South Africa hosts stratiform stromatolites in the 3.46 Hooggenoeg, 3.42 Kromberg and 3.33 Ga Mendon Formations of the Onverwacht Group.
This is a list of all extinct cyanobacteria genera that formed stromatolites. Collenia; Species Time period Location †C. frequens: Late Proterozoic: Australia
Modern stromatolites are relatively small, Hynek said, whereas ancient stromatolites used to grow to 20 feet (6 meters) tall and 16 to 22 feet (5 to 7 meters) wide, he said.
This list of the prehistoric life of Ohio contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Ohio.
The Paleo Crossing site, one of the oldest sites in Ohio, had two [5] or three [6] post holes and refuse pits that contained charcoal. From radiocarbon dating, the site was used 10,980 BP ± 75 yearsBefore Present [ 5 ] or about 9,000 B.C. [ 6 ] The post holes and an area about 150 square feet indicate that there was a structure at the site.
This list of the Paleozoic life of Ohio contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Ohio and are between 538.8 and 252.17 million years of age.
A homicide investigation is underway after three women were found dead inside a Columbus, Ohio residence over the weekend.. On Saturday, Dec. 14 just before 4 p.m. local time, Columbus Police ...