[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Suspicious impact craters and iridium layers

<Seismosaurus@seznam.cz> writes:


> Manicouagan (Quebec) 100 km 210 mya


Manicouagan is within the Late Triassic.  ~214 ma. +/- 10 ma .The error
bar spans the entire Norian and Rhaetian (both within the Late Triassic).

> (208 Triassic/Jurasic)


The newest (2004 ICS) data places the base of the Jurassic (base of
Hettangian) at 199.6 Ma +/- 0.6 Ma.



> Manson (Iowa) 32 km 65 mya (KT event)

Nope.  Within the Campanian (74ma).

<pb>
--