For hundreds of millions of years, mineral-laden freshwater rivers have flowed into the oceans. Would this increase the mineral content/saltiness of the oceans? Is there any way to know how salty prehistoric oceans were compared to today?
For hundreds of millions of years, mineral-laden freshwater rivers have flowed into the oceans. Would this increase the mineral content/saltiness of the oceans? Is there any way to know how salty prehistoric oceans were compared to today?
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This question comes up pretty frequently here and there are some comprehensive answers in those past threads, e.g., check out this this thread, or this one, or this other one.