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In 1865 Jules Verne's novel From the Earth to the Moon introduced the concept of a ballistic projectile escaping the Earth's gravity, from which Phipps Morgan et al. derived the name "Verneshot" in their paper theorizing cratonic gas ejection's connection to extinction events. This was in the projectile-naming tradition of John Hunter, whose 47 m expanding hydrogen gun, SHARP, is only a precursor to the "Jules Verne Launcher" with a 3,500 m barrel length, which was designed in the early 1990s for first-stage satellite launch.
A verneshot (named after French author Jules Verne) is a hypothetical volcanic eruption event caused by the buildup of gas deep underneath a craton. Such an event may be forceful enough to launch an extreme amount of material from the crust and mantle into a sub-orbital trajectory.
At high temperatures and pressures carbon readily dissolves in silicate liquids, however below V2.7 GPa, it exsolves into a critical gas CO2 phase. Any rising melts will spontaneously exsolve CO2 at this depth as the magma transforms from a liquid phase to solid plus gas phases.
Originally posted by TheCaucasianAmerican
Hmm I guess the asteroid had nothing to do with the extinction of the dinosaurs then.
The apparent synchronicity of the Deccan Traps and Chicxulub crater formation could be exactly such a 1 in 8 bad luck coincidence.) Two such temporal coincidences would occur by chance only (0.13)2 or 0.0169 of the time, three 0.0022 of the time, and four with a probability of 0.00028.
While even one such coincidence is relatively unlikely to occur by chance within the past 400 Myr (it should have happened roughly once over the last 3 Gyr of Earth evolution), two or more synchronous CFBs, impact signals, and mass extinctions are so unlikely to occur by chance that it seems prudent to explore if there exist causal links between geologic ‘impact signals’ and flood basalts.
A sediment pocket containing the iridium ‘impact signal’ is found lying between two of the lower Deccan trap lava flows , documenting that the impact must have postdated the onset of, and thus cannot have caused, the Deccan CFB. Furthermore, the Deccan^Reunion trace can be followed as a time-progressive
lineament of 3He-rich small alkalic continental eruptions for s3.5 Myr before the eruption of the oldest, lowermost, Deccan Traps . This implies that the Deccan Traps/Reunion Plume were not created by a ‘sister’ impact shortly before the Chicxulub impact, instead the plume was ponding beneath Indian cratonic lithosphere for at least 3.5 Myr prior to the main Deccan flood basalt activity.
For example, the archetype K^Tiridium anomaly, while definitely non-crustal in its relative abundance, lies within the field of iridium concentrations observed in the volatile phases degassing from current plume volcanoes
such as Kilauea, Hawaii, and Piton de la Fournaise, Reunion .(In fact, Reunion’s present day
Piton de la Fournaise volatile release is particularly rich in noble metals , offering a possible explanation as to why the K^T boundary could be particularly rich in iridium relative to other great extinction boundaries.)
Originally posted by seethetruth
if that is how it was to end at least it would be quick and you would not know what hit you
I made this survival guide as a response to an assignment we had the first year of uni. The task was to promote a certain ideology as a way of living. My ideology was utilitarianism, and I chose to present this survival guide as a way of living in the case of a verneshot, following utilitarian survival methods.
Originally posted by antar
Anyway I wonder if it has to do with the sink holes worldwide in the past decade or so? What about that area in Louisiana where the methane gas is wrecking havoc on the locals in that area and possibly a danger to all of us any where close?
Originally posted by iforget
Sure is a lot of power beneath our feet too bad we havent tried very hard to tap more of it.