Talk:List of rivers by age

Susquehanna

The citation for the age of the Susquehanna is from a document that in turn cites Wikipedia as its source. What a lovely, small, but problematic, circle! — Preceding unsigned comment added by Benthos (talk • contribs) 21:13, 14 September 2016 (UTC)

[Untitled]

The age of the Yangtze is not supported by the link provided. The age listed on the Wiki page is 365 million years.

The age listed on the provided link is:

"The researchers found rocks there that appear similar to the river’s modern sediments and dated them to roughly 23 million years ago. Older sediments — which can’t form in the presence of flowing water — put an upper limit on the Yangtze’s age of 36.5 million years."

So the maximum age of the river is 36.5 million years, not 365 million years. Looks like a decimal placement error.

The link is http://www.sciencenews.org/view/generic/id/349900/description/News_in_Brief_Yangtzes_age_revealed — Preceding unsigned comment added by 98.253.114.40 (talk) 01:52, 27 May 2013 (UTC)

Numbering

The list of rivers is very incomplete, why give them numbers? Sairp (talk) 16:55, 12 June 2014 (UTC)

When you do a Google search linking to this page, the Finke river isn't in the list? — Preceding unsigned comment added by 49.184.87.60 (talk) 19:48, 25 November 2021 (UTC)

No rivers in Guiana Shield?

According Wikipedia (), Tepuis are "typically composed of sheer blocks of Precambrian quartz arenite sandstone that rise abruptly from the jungle." Tepuis dominate the Guiana Highlands (). New research suggests "that there had been a crust, a layer of rocks in Guyana, which existed long before two billion years ago, making parts of Guyana geologically much older than previously thought" (). It is surprising to me that rivers that flow in this shield, such as the Caroni, the Essequibo, the Rio Negro, and their many tributaries are not included in this article. — Preceding unsigned comment added by Profesorpereira (talk • contribs) 21:06, 21 June 2014 (UTC) Profesorpereira (talk) 21:12, 21 June 2014 (UTC)

The rocks are old, but the rivers can't be proven to be that old unless they flow, in entrenched valleys, across (through) the mountain range, proving that the river kept cutting down as the rocks were uplifted. Rivers like the Caroni and Essequibo flow not across the uplifted area, but from the Guyana highlands down to the sea, proving little about how long they've been in their present position ("river age".) Similarly, many rivers flow from the ancient Appalachian highlands in one direction, downhill; only a few flow across (through) the range.DLinth (talk) 13:30, 25 September 2014 (UTC)

References

The Rhine

The Rhine being Triassic sounds very doubtful, and in any case it would not have had anything like its present length or amount of water in the Mesozoic. The article on the Danube here on WP points out that the eastern river is much older than the Rhine and that a few of the upper tributaries of the Danube, in SW Germany, have been captured and rerouted by the Rhine in the last 1-200.000 years. Neither article (this one or the Danube one) offers any sources for their statements, but the reasoning on the Danube page sounds like it was lifted from a good, scientific source and makes good sense in terms of orogeny and ice ages in Europe. I think this would need some checking. Strausszek (talk) 02:05, 9 June 2016 (UTC)

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