Warrawoona Group
Template:Short description Template:Use Australian English Script error: No such module "Infobox".Script error: No such module "check for unknown parameters". The Warrawoona Group is a geological unit in Western Australia containing putative fossils of cyanobacteria cells. Dated 3.465 Ga, these microstructures, found in Archean chert, are considered to be the oldest known geological record of life on Earth.[1][2][3]
Description
The fossils in this group were discovered by Arthur Hugh Hickman in 1983 in Warrawoona, Script error: No such module "Coordinates"., a region on the Pilbara craton in the northern part of Pilbara province.
Whether or not the fossils were authentic was disputed in the past, as abiotic processes could not be ruled out.[4][5] Currently the fossils are thought to be of biological origin, however there is no conclusive evidence of fossilized organisms in the formation, and whether the lines in the rock are fossilized stromatolites.[6]
The rocks also include felsic volcanic rocks.[7]
See also
- North Pole, WA for similar issues
- Origin of life
- Timetable of the Precambrian
- Geology of Australia
- Fig Tree Formation
References
<templatestyles src="Reflist/styles.css" />
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
Script error: No such module "Check for unknown parameters".
Further reading
- Script error: No such module "Citation/CS1".
- Script error: No such module "citation/CS1".