Talk:Hydrological sorting

One paragraph begins:

"When sediment is continually coming in then the sediment forms repeating layers, between the different types of sediment. When sediment is coming in from above the Principle of superposition may be valid but there is no reason why one layer must be totally formed..."

As I read this I don't understand the meaning of the word "between". It almost seems to say new layers form between older layers, but it may be that one type of sediment starts a new layer on top of another, lighter kind. I don't know enough to be sure how to edit the sentence correctly.

Also, would it not be wise to say something concise about the principle of superposition before mentioning it here? Possibly the paragraph could say something like, "Many presume that a layer of sediment on top of another implies a chronological pause between one layer and another. This is called the principle of superposition.  However, when sediment..." A short explanation might show why the author questions the validity of the principle.

13:26, 4 March 2006 John Baab

Dead link
some one fix this before returning it to the page.--Tylerdemerchant 18:57, 31 July 2008 (UTC)
 * geological dating principles questioned / strata experiments