GeoGalactic Chronology

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GeoGalactic Chronology

Postby morbas » February 20th, 2010, 9:17 am

Using ICS Geologic Time Scale dates and referenced papers, a geologic 417M-year PERIOD terminus pattern appears.
1) Paleogene-Neogene -1Myr-ago
2) Cretaceous 71Myr-ago*
3) Jurassic 146Myr-ago
4) Permian-Traissic 200Myr-ago
5) Caboniferous ~286Myr-ago**
6) Devonian 359Myr-ago
7) Odivician-Silurian 416Myr-ago 1 to 7 : 417Ma
8) Cambrian 488Myr-ago 2 to 8 : 417Ma
9) Vendian ~563Myr-ago (Ediacaran-Varangian)*** 3 to 9 : 417Ma
10) Ediacaran ~617Myr-ago (Cryogenian-Ediacaran)*** 4 to 10: 417Ma

The 28Myr-ago Oligocene, and the Ordivician-Silurian (444Myr-ago) break are ~417Ma.
The P-Tr break (251Myr-ago) is approximately midway between the Oligocene and O-Si break.
Tilda indicates unconstrained state of the geologic art dates.
Notes
*
[3] Thorn: Terminal Cretaceous climate change and biotic response in Antarctic; USGS OF-2007-1047 Extended Abstract 096.
[4] Barrera: Global environmental changes preceding the Cretaceous-Tertiary boundary: Early-late Maastrichtian transition. Department of Geological Sciences, Univ Michigan Ann Arbor 48109-1063.
**
Carboniferous contested date persists in present web sights, one being the Canadian Museum. The USG has recently updated in compliance with ICS [6]. This article statistically contends the earlier 286M date is accurate.
***
http://www.palaeontologie.uni-wuerzburg ... /casu6.htm
The Pre-Cambrian dates are 'unconstrained' but have historical dating.

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Would you agree, this six period pattern suggest strongly that the Milky Way Galaxy has completely stratified the Phanerozoic ERA extending well into Pre-Cambrian?

-morbas-
morbas
 
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