New Theory On Largest Known Mass Extinction In Earth's History

http://www.sciencedaily.com/releases/2009/03/090330102659.htm

The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes,
whose emissions of halogenated gases changed the atmospheric composition so dramatically that
vegetation was irretrievably damaged. At the Permian/Triassic boundary, 250 million years ago, about
90 percent of the animal and plant species ashore became extinct. Previously it was thought that
volcanic eruptions, the impacts of asteroids, or methane hydrate were instigating causes.

From page 92, NYPL Science Desk Reference:  "Although there are millions of species of
fish,-------alive today, these species represent only a small percentage of the organisms that have ever
existed on earth.  What happened to the others?----at the end of the Permian period, about 250 million
years ago, it is estimated that about 96 percent of marine organisms became extinct---"

From UB paper 59 (see the last sentence---this is an example of the subtlety of the UB---I've known
about the mass extinctions from science for many years, and I've read and/or listened to the UB 28
times, but tonight I finally put these two together as to why---amazing)

280,000,000 years ago the continents had largely emerged from the second Silurian inundation. The
rock deposits of this submergence are known in North America as Niagara limestone because this is the
stratum of rock over which Niagara Falls now flows. This layer of rock extends from the eastern
mountains to the Mississippi valley region but not farther west except to the south. Several layers
extend over Canada, portions of South America, Australia, and most of Europe, the average thickness
of this Niagara series being about six hundred feet. Immediately overlying the Niagara deposit, in many
regions may be found a collection of conglomerate, shale, and rock salt. This is the accumulation of
secondary subsidences. This salt settled in great lagoons which were alternately opened up to the sea
and then cut off so that evaporation occurred with deposition of salt along with other matter held in
solution. In some regions these rock salt beds are seventy feet thick.
677§7 59:3.10 The climate is even and mild, and marine fossils are laid down in the arctic regions. But
by the end of this epoch the seas are so excessively salty that little life survives.