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Author | Topic: Salt of the Earth (on salt domes and beds) | |||||||||||||||||||||||
Dr Adequate Member (Idle past 311 days) Posts: 16113 Joined: |
So I viewed the problem from another perspective. Maybe slow evaporations of vast amounts of water isn't the only way to produce something like that. Afterall, all it does is raise the concentration in the water to saturation, and at that point it precipitates to the bottom. But this isn't the only way to have mineral precipitate. Lowering the temparature of the water also causes precipitation. And I envisioned that if you had a very hot, mineral-saturated water current meeting a cold water current, you could probably get a very impressive amount of precipitation. And of course, the flood model does have huge amounts of such hot water coming out of the earth's crust. And so with a little research, it turned out that this is plausible mechanism, as I found at least one paper suggesting this mechanism forming the Messinian salt: No you didn't. Dietz and Woodhouse say nothing of the sort. What they say is what I've already said repeatedly --- that such deposits are almost certainly not produced by complete evaporation of the water in a basin. So they write: "Complete dessication, which requires zero precipitation and zero inflow, is an asymptotic end point never achievable in reality", and suggest: "Undirectional inflow through a coral reef barrier dam at the Gibraltar portal is offered as possibly causing brine saturation in the Mediterranean". Which produces a slow continuous process of evaporation which is never complete evaporation; which is just what I've been talking about. I mentioned it specifically in message #60 of this thread, quoting a message already posted on the other thread about salt:
Dr A writes: Either the basin has to be connected to the main body of the ocean by a very narrow channel, or it has to be divided from it by a permeable sill, or it has to be divided from it by a sill which is only overtopped at high tide, or ... "Slow evaporations of vast amounts of water" is precisely what Dietz and Woodhouse envisage. Nowhere do they mention hot water coming out of the Earth's crust. Edited by Dr Adequate, : No reason given.
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Dr Adequate Member (Idle past 311 days) Posts: 16113 Joined: |
Does this help? Up to a point, but now I'm not sure if in that photograph I might only be seeing the darkest and hence most distinct layers. Maybe some looking-stuff-up is called for. Edited by Dr Adequate, : No reason given.
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jar Member (Idle past 421 days) Posts: 34026 From: Texas!! Joined: |
Thanks. I always learn something from these threads.
Anyone so limited that they can only spell a word one way is severely handicapped!
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edge Member (Idle past 1733 days) Posts: 4696 From: Colorado, USA Joined: |
Maybe some looking-stuff-up is called for.
This might be of interest: http://www.worldlingo.com/...ki/en/Messinian_salinity_crisis
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anglagard Member (Idle past 863 days) Posts: 2339 From: Socorro, New Mexico USA Joined: |
slevesque writes: So I viewed the problem from another perspective. Maybe slow evaporations of vast amounts of water isn't the only way to produce something like that. Afterall, all it does is raise the concentration in the water to saturation, and at that point it precipitates to the bottom. But this isn't the only way to have mineral precipitate. Lowering the temparature of the water also causes precipitation. And I envisioned that if you had a very hot, mineral-saturated water current meeting a cold water current, you could probably get a very impressive amount of precipitation. This makes me a bit puzzled. How can a 'global' flood cause so much local variation in mineral concentrations and indeed even composition by locality. Are you familiar with the Borax mining near the appropriately named town Boron, California? Try this:
quote: Source: http://www.mii.org/Minerals/photobor.html Now what about Searles Lake? Why does this evaporite deposit have so many rare minerals like Trona and Hanksite?
quote: Source: geology And what about those 1500 feet of repeating layers of halite, anhydrite and, and gypsum below my feet and nearby in over 260,000 correlated layers in the Castile formation. Where is the Borax and Hanksite? How did these obviously seasonal layers occur in a matter of several hours?
quote: Source: http://bulletin.geoscienceworld.org/...content/abstract/83/1 So here is the problem. How can the same physical mechanism (global flood) create several different types of mineral percentages or indeed even existence at different locations? And remember this does not only apply to evaporites but also virtually all mineral concentrations and different mineral compositions that geology directly observes at different places on the surface or indeed down to the Precambrian throughout the earth's crust. I used to collect rare minerals and I have been to all of these locations and have seen the facts, what is your explanation for my so-called hallucinations? Remember, if you invoke magic or Loki, then automatically you admit science does not support a global flood ca. 4350 BCE. The idea of the sacred is quite simply one of the most conservative notions in any culture, because it seeks to turn other ideas - uncertainty, progress, change - into crimes. Salman Rushdie This rudderless world is not shaped by vague metaphysical forces. It is not God who kills the children. Not fate that butchers them or destiny that feeds them to the dogs. It’s us. Only us. - the character Rorschach in Watchmen
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anglagard Member (Idle past 863 days) Posts: 2339 From: Socorro, New Mexico USA Joined: |
Coragyps writes: Hey Anglagard - road trip?? You bet, prefer dry times, may get some crystals if lucky. Sorry, didn't notice before, have been busy with the semester wrapping up. Also, still working at the plant in Snyder? The daughter is a junior in Chem Engineering (not bad for 18, but then again she came within one class of receiving her AS before the HS diploma). Is the invite still valid? Apologize for the proud parent thing, can't help it. {ABE} oops, just realized already replied to this post a while back {/abe} Edited by anglagard, : No reason given. The idea of the sacred is quite simply one of the most conservative notions in any culture, because it seeks to turn other ideas - uncertainty, progress, change - into crimes. Salman Rushdie This rudderless world is not shaped by vague metaphysical forces. It is not God who kills the children. Not fate that butchers them or destiny that feeds them to the dogs. It’s us. Only us. - the character Rorschach in Watchmen
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