Talk:Flood basalt

Ocean Warming Question
Did the deposition of large amounts of flood basalt result in a sinificant warming of the world ocean? —Preceding unsigned comment added by Tereseik (talk • contribs) 19:21, 31 August 2007 (UTC)

I'd guess so, in some cases. The Siberian traps is suspected in the Permian–Triassic_extinction_event and the Indian Deccan Traps in the K-T Extinction. Lava flow results in sulfur oxides, carbon oxides, particulates released into the atmosphere, eventually warming the globe, and therefore the oceans. Something like that. OsamaBinLogin (talk) 19:42, 23 February 2013 (UTC)

Renaming
It seems to me that this article is mostly, if not all, about Continental flood basalts, which is in sore need of a home; does anyone object against renaming it as such and redirecting Flood basalt to it?

I'm not aware of any oceanic flood basalts that aren't just seafloor spreading, but I'm unsure that there aren't any (or I would have just gone ahead with the above edit).Archaen sax 00:48, 20 June 2006 (UTC)


 * Flood basalts are not ordinary basaltic lava flows&mdash;they are exceptionally large ones that expel huge volumes of lava and often cover large areas, as happened in Lakagigar. The largest ones are large igneous provinces.  Read up.  "Flood basalt" is also a perfectly valid geological term that holds its own in deep study. - Gilgamesh 07:56, 20 June 2006 (UTC)

I've never heard of flood basalts being called "trapp" basalts - only "trap" basalts. I'm assuming this is a holdover from the French content of the article, and since all the localities that are mentioned in the article are called "traps", I'm changing the "trapp" instances to match. Farristry (talk) 19:24, 25 April 2008 (UTC)


 * The Glossary of Geology lists "trap"; the etymology is from Swedish trappa. "Trapp" is given as a synonym. So I'd infer "trap" if the preferred spelling. Supports your edits. Cheers Geologyguy (talk) 19:37, 25 April 2008 (UTC)

Traps - etymology
I'm trying to figure out the word 'traps' which comes from swedish word for 'stairs'. This is what I visualize. It's like paraffin from candles. Wide puddle of paraffin forms from a first release of liquid paraffin. Solidifies with a constant thickness, surface tension limits the edges from spreading farther. Then, a second layer forms, with a different pattern as seen from above. This is also constant thickness, about the same thickness. So there's some areas with zero layers, some with 1 layer, and some areas with 2 layers of paraffin, and very little with any in-between thickness. This repeats for several more layers, each with a different size and shape as seen from above. The result is that it looks like rice paddy Terraces (agriculture), or 'stairs'. Is this how it works? OsamaBinLogin (talk) 19:42, 23 February 2013 (UTC)

Needs lotsa work
Lots to do here. ties in with LIPS, ocean plateaus, mantle plumes. whole books written on this topic. i have some other committments now but can come back and help later. Geodoc 07:29, 26 January 2007 (UTC)

Almost forgot: oceanic plateaux are the oceanic equivalent of continental flood basalt; they are not ridge related. both form from plumes. Many examples, need to list. New data suggest eruption of 85-90% volume in less than one million years. Geodoc 07:32, 26 January 2007 (UTC)

Please work on the list of flood basalts section. It is not complete and is not chronological. An excellent chronological list is available from Gunter Faure - "Origin of Igneous Rocks" 2001 - Chapter 5 Flood Basalts. The Chapter Headings at the Table of Contents is enough to make a complete chronologic list. You can see it at google books with a google search. valkyree 20:30, 16 March 2013 (UTC) — Preceding unsigned comment added by Valkyree (talk • contribs)

Expanded article
Hello, I expanded the article a bit, mainly by translating from the French version, I kept most of the original content with a few modifications. Most notably I changed the phrase that said A flood basalt or trapp basalts is a giant volcanic eruption to A flood basalt or trapp basalts is the result of a giant volcanic eruption . I hope this is correct, as far as I know basalt is a rock formed by solidified lava so I don't understand how the original version could have been correct. It may not seem like a big difference, but if you go walking on one you would be able to tell ! Hopefully most of this is correct, please feel free to correct mistakes. I speak English and French as mother tongues, but can make mistakes or get confused in between the two languages when translating. But please don't vandalise the page if you find errors, or start insulting me if I missed a comma (Yes it really happened), just fix the error. . Jackaranga 06:22, 3 June 2007 (UTC)
 * "... is the result of..." is MUCH better - thanks. I was actually going to change that but got distracted checking up on lead isotope ratios!  Cheers Geologyguy 14:52, 3 June 2007 (UTC)


 * Jackaranga & Geology Guy
 * Excellent recent revisions to the Flood basalt article.
 * There was a recent journal artcile that listed and ranked the various flood basalt flows (and would provide a complete list as currently understood). Think the topic was Columbia Basin flood basalts - which it ranked as the smallest of the large flows. If I get time this month, I'll look for it and update. Perhaps you've inspired action.
 * Well done. This is waht makes Wikipedia work. - Williamborg (Bill) 13:45, 3 June 2007 (UTC)


 * Found the reference - Sur l'âge des trapps basaltiques; Vincent E. Courtillota & Paul R. Renneb; Comptes Rendus Geoscience; Vol: 335 Issue: 1, January, 2003; pp: 113-140. Have quoted parts of it here. Williamborg (Bill) 19:15, 3 June 2007 (UTC)

Chemistry Errors
There is an error in the phrase $206$Pb/$206$Pb , I don't know which isotope they meant, it says 206 twice, there is also the error on the French wikipedia. Jackaranga 06:29, 3 June 2007 (UTC)
 * Lead isotope ratios are reported with respect to $204$Pb, so I changed it to that. Geologyguy 13:28, 3 June 2007 (UTC)

I've found another error under Geochemistry: "Two kinds of basaltic floods basalts can be distinguished :

those rich in P2O5 and in TiO2, called LPT those rich in P2O5 and in TiO2, called HPT" What's the difference between LPT and HPT; according to this, they are the same?
 * L=low, H=high; fixed in text. Geologyguy 21:48, 9 July 2007 (UTC)

This is now fixed OsamaBinLogin (talk) 19:42, 23 February 2013 (UTC)

Large igneous province
There is overlap between this artilce and the artilce titled Large igneous province. Im not a merger enthusiast, but do think we need to understand the relationship between the two articles (what goes where). Comments?

Williamborg (Bill) 19:03, 3 June 2007 (UTC)

Geologic time scale
I combined the information in this article with the table from Geologic time scale. Maybe you can use it. See also Large_igneous_province

Just granpa (talk) 04:12, 2 March 2013 (UTC)

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 * Flood Basalt Map.jpg