Talk:Global Boundary Stratotype Section and Point

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Dragons flight: (rv, since T. pedum defines the boundary, your statement seems logically impossible. please provide a reference.)

T. Pedum defined the boundary when the boundary was set, at that exact locality. It has been found elsewhere (i.e. not at or near the GSSP, but at localities correlated 4m beneath it) since the golden spike was driven in, and thus is now unsuitable as a global indicator of the base of the Cambrian. Butterfield (who pointed this out to me) thus feels that the base of the Cambrian is poorly defined, and a bit meaningless anyway, and feels that it should really be moved to the start of the Tommotian (i.e. the base of the Cambrian Explosion), with the Ediacaran period included in the Proterozoic. But I digress. I've updated the main page with the reference (Burrowing below the basal Cambrian GSSP, Fortune Head, Newfoundland, Gehling et al. 2001). I still feel a different GSSP may be a better example... Verisimilus 19:42, 3 March 2007 (UTC)


A Minor Issue of Semantics[edit]

This is something small, but I believe that there is a problem with the phrase "A GSSP has to define the lower boundary of a geologic age." I think that GSSP's are used to define Chronostratigraphic units, not Geochronologic intervals (the difference is elegantly summarized by a table near the bottom of the page). In light of this, I propose that the above wording be changed to "A GSSP must define the lower boundary of a geologic system, series, or stage". If there are no objections I will make the change. — Preceding unsigned comment added by Nsullivan742 (talkcontribs) 17:22, 19 April 2013 (UTC)

Failure to mention "Type section"[edit]

Other articles refer to Type section, which then redirects here. But this article, the destination of that redirect, then fails to mention that phrase "type section". I suggested an edit for this but it was reverted. But a fix of some sort is needed. What should be done? Feline Hymnic (talk) 16:06, 1 March 2014 (UTC)

@Feline Hymnic: Hi! That is indeed a terrible redirect. (Edit: It was created in 2006 and at that time very reasonable. But we have a lot more geology coverage now) A GSSP is just a subclass/subset or a special kind of type section. Every lithostratigraphic unit has a type section. There are also type sections for regional time scales that are not part of the international time scale. We will have to do something about this. --Tobias1984 (talk) 17:36, 1 March 2014 (UTC)
@Tobias1984: Many thanks for your reply. I would help if I could, but my geology is now 35 years rusty! Feline Hymnic (talk) 22:08, 1 March 2014 (UTC)
@Feline Hymnic: I have to see when I have to for this. But in the mean if you want to remove the rust this is very concise: [1] --Tobias1984 (talk) 22:43, 1 March 2014 (UTC)
@Tobias1984: Great! Thanks. For a very brief, and probably not very accurate, start, try Stratotype (and re-try Type section which now redirects to it). Feline Hymnic (talk) 23:06, 1 March 2014 (UTC)

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