Re: Ardip c 4.4 Ma in "basin with lakes, swamps, springs & streams" :-)
- From: Rich Travsky <" traRvEsky"@hotmMOVEail.com>
- Date: Sun, 01 May 2005 20:42:53 -0600
Marc Verhaegen wrote:
>
> "Rich Travsky" <" traRvEsky"@hotmMOVEail.com> wrote in message
> news:426C71E7.9FE1EA58@xxxxxxxxxxxxxxxxxx
>
> >> Then why not read the paper in the files of
> >> http://www.onelist.com/community/AAT ? or in any university library?
>
> > Post it here for everyone.
>
> 1) "Everyone" can read it there. Why don't you?? I can't reproduce here the
> tables & illustrations.
> 2) If you haven't read it yet, Travsky, you simply don't know what you're
> talking about when you're trying to discuss AAT. Very scientific attitude...
> Are all savanna believers like you?
You don't have to post the tables and pictures - there's text, right?
> >> "Rich Travsky" <" traRvEsky"@hotmMOVEail.com> wrote in message
> >> news:426C5507.66E422EF@xxxxxxxxxxxxxxxxxx
> >> > Marc Verhaegen wrote:
> >> >>
> >> >> Ardipithecus c 4.4 Ma in "basin with lakes, swamps, springs & streams"
> >> >> Exactly as we predicted :-)
> >> >> M.Verhaegen, P.-F.Puech & S.Munro 2002
> >> >> "Aquarboreal ancestors?"
> >> >> Trends in Ecology & Evolution 17:212-217
> >> >> http://reviews.bmn.com/journals/atoz/latest?pii=S0169534702024904&node=TOC%40%40TREE%40017%4005%40017_05
> >> >
> >> > Dead link - just as you predicted!
> >> >
> >> >> "Rich Travsky" <" traRvEsky"@hotmMOVEail.com> wrote in message
> >> >> news:4259E772.9C77D17@xxxxxxxxxxxxxxxxxx
> >> >> > Marc Verhaegen wrote:
> >> >> >>
> >> >> >> "Rich Travsky" <" traRvEsky"@hotmMOVEail.com> wrote in message
> >> >> >> news:42479822.CEE3C46B@xxxxxxxxxxxxxxxxxx
> >> >> >> > Marc Verhaegen wrote:
> >> >> >> >>
> >> >> >> >> Thanks, Dar. :-) Why don't dry apers read the paper before
> >> >> >> >> opening
> >> >> >> >> their
> >> >> >> >> mouths?? "basin with lakes, swamps, springs & streams"...
> >> >> >> >
> >> >> >> > I did and do have the paper in front of me.
> >> >> >>
> >> >> >> Then why don't you read until the last paragraph??
> >> >> >
> >> >> > What part of
> >> >> >
> >> >> > landscape covered by C3-dominated woodland and grassy woodland
> >> >> >
> >> >> > is not understood?
> >> >> >
> >> >> >> > Diverse sources of data (sedimentology, faunal composition,
> >> >> >> > ecomorphological
> >> >> >> > variables and stable carbon isotopic evidence from the palaeosols
> >> >> >> > and
> >> >> >> > fossil
> >> >> >> > tooth enamel) indicate that the Early Pliocene As Duma sediments
> >> >> >> > sample
> >> >> >> > a
> >> >> >> > moderate rainfall woodland and woodland/grassland.
> >> >> >> >
> >> >> >> > and
> >> >> >> >
> >> >> >> > Most palaeosols at As Duma are calcareous vertisols that form in
> >> >> >> > seasonal, low-rainfall (,,1,000mmyr21) tropical
> >> >> >> > environments17,18.
> >> >> >> > Fifteen carbonate nodules were sampled from ten
> >> >> >> > palaeosols at and around (2 km radius) GWM-3. Sixty-eight total
> >> >> >> > analyses yielded a range of d 13C values (VPDB; Vienna Pee Dee
> >> >> >> > belemnite standard) from 23.9? to 212.0?, for an average of
> >> >> >> > 27.5? indicating an environment of woodlands and grassy woodlands
> >> >> >> > reflecting a mixture dominated by C3 (trees and shrubs) and
> >> >> >> > fewer C4 grasses (warm-season grasses), assuming pure endmember
> >> >> >> > carbonate d 13C values of 212? and +2?, respectively19
> >> >> >> > (Supplementary Table 4). Only locally, particularly in the
> >> >> >> > vicinity
> >> >> >> > of
> >> >> >> > GWM-3, do analyses indicate the presence of up to 50% grasses,
> >> >> >> > where values range between23.9? to27.9? and average26.0? (n ¼ 4).
> >> >> >> >
> >> >> >> > and
> >> >> >> >
> >> >> >> > The carbonate-rich palaeosols formed in a sub-humid and
> >> >> >> > seasonally
> >> >> >> > dry
> >> >> >> > climate in a landscape covered by C3-dominated woodland and
> >> >> >> > grassy
> >> >> >> > woodland.
> >> >> >> >
> >> >> >> >> "Rich Travsky" <traRvEsky@xxxxxxxxxxxxxxx> wrote in message
> >> >> >> >> news:423F0E9F.BC6C976B@xxxxxxxxxxxxxxxxxx
> >> >> >> >> > Dar Habel wrote:
> >> >> >> >> >>
> >> >> >> >> >> Rich Travsky wrote:
> >> >> >> >> >> > Dar Habel wrote:
> >> >> >> >> >> > >
> >> >> >> >> >> > > Rich Travsky wrote:
> >> >> >> >> >> > > > Marc Verhaegen still unable to tell the difference
> >> >> >> >> >> > > > between
> >> >> >> >> >> > > > a
> >> >> >> >> >> research
> >> >> >> >> >> > > paper and
> >> >> >> >> >> > > > a newspaper:
> >> >> >> >> >> > >
> >> >> >> >> >> > > But Rich,
> >> >> >> >> >> > >
> >> >> >> >> >> > > While the abstract of Semaw et al. (2005) "Early Pliocene
> >> >> >> >> >> > > hominids
> >> >> >> >> >> from
> >> >> >> >> >> > > Gona, Ethiopia" (Nature 433: 301-305) reads: "...As Duma
> >> >> >> >> >> > > sediments
> >> >> >> >> >> > > sample a moderate rainfall woodland and
> >> >> >> >> >> > > woodland/grassland,"
> >> >> >> >> >> > > making
> >> >> >> >> >> no
> >> >> >> >> >> > > mention of swamps, if you read the paper itself, it does
> >> >> >> >> >> > > say:
> >> >> >> >> >> > > "The
> >> >> >> >> >> As
> >> >> >> >> >> > > Duma Early Plocene deposits sample a low-relief,
> >> >> >> >> >> > > internally
> >> >> >> >> >> draining
> >> >> >> >> >> > > basin with lakes, SWAMPS [my caps, of course], springs
> >> >> >> >> >> > > and
> >> >> >> >> >> > > streams
> >> >> >> >> >> amid
> >> >> >> >> >> > > local volcanic centres..." (page 304).
> >> >> >> >> >> >
> >> >> >> >> >> > The carbonate-rich palaeosols formed in a sub-humid and
> >> >> >> >> >> > seasonally
> >> >> >> >> >> dry
> >> >> >> >> >> > climate in a landscape covered by C3-dominated woodland
> >> >> >> >> >> > and
> >> >> >> >> >> > grassy
> >> >> >> >> >> woodland.
> >> >> >> >> >> >
> >> >> >> >> >> > You have to understand that with Marc any mention of wate
> >> >> >> >> >> > within
> >> >> >> >> >> > a
> >> >> >> >> >> 100 miles
> >> >> >> >> >> > means the find was aquatic.
> >> >> >> >> >>
> >> >> >> >> >> I'm familiar with that, but I was just pointing out that the
> >> >> >> >> >> Nature
> >> >> >> >> >> paper did say there were swamps in the area. Probably a few
> >> >> >> >> >> ephemeral
> >> >> >> >> >> mud-puddles to wade in, also. It seems likely I'm to be
> >> >> >> >> >> entered
> >> >> >> >> >> with
> >> >> >> >> >> you and others in the 'idiot' category :-)
> >> >> >> >> >
> >> >> >> >> > You ain't no body until you've made those hallowed ranks!
> >> >> >> >> >
> >> >> >> >> >> > > So although I don't agree with most of Marc's
> >> >> >> >> >> > > taphonomical
> >> >> >> >> >> conclusions,
> >> >> >> >> >> > > he seems to have been correct here, at least, that there
> >> >> >> >> >> > > were
> >> >> >> >> >> swamps in
> >> >> >> >> >> > > the area.
> >> >> >> >> >> > >
> >> >> >> >> >> > > Hopefully helpful,
> >> >> >> >> >> > > Dar
> >> >> >> >> >> > > [snip remaing discussion on lack of reading
> >> >> >> >> >> > > comprehension]
.
- Prev by Date: Re: Aquatic Manatees Have Brittle Bones
- Next by Date: Re: Neanderthal Nose Consequence Of Large Jaw
- Previous by thread: Re: Aquatic Manatees Have Brittle Bones
- Next by thread: Re: Neanderthal Nose Consequence Of Large Jaw
- Index(es):
Relevant Pages
|
