Salt in Oceans

Hey slevesque,
As far as creationist arguments go, yours is a breath of fresh air. I get so tired of dumb arguments like "If we evolved, why are there still monkeys?" and "Radiocarbon dating is flawed because I say so". At least this is a question that genuine scientists are still working on.As far as I can tell after some quick research, salt is believed to subduct through the earth's crust as tectonic plates pass beneath each other at the sea bottom. That's one possible explanation.

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I just thought of something else.
We're all familiar with the ice age, yes?

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Well, when that ice melted, and ended up in the oceans, wouldn't that have lowered the concentrations as well?

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Or am I missing something here?

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Ice ages are a cyclical phenomenon that do not in the long run change the amount of water in the ocean. During an ice age more water is locked in ice, but when it melts it returns to the ocean, actually bringing more salt with it as it erodes off the land. I don't see how ice ages can account for long-term ocean haline equilibrium.This is an interesting problem slevesque, and I hope someone will be able to shed some light on it.

Evolutionist was a rather poorly chosen term, but instead of going off on a branch and arguing semantics, can't someone offer some new insight into where the sodium is going?!
I, for one, am curious about how much salt is lost in the subduction of tectonic plates, and whether incorporation into clay sediments (I might just be talking gibberish here) might account for the missing salt. Has anyone found any research on the topic at all? Do we have any geologists on the forum?