[meteorite-list] Ice-rafted rocks on "dry-lakes"

From: Michael Farmer <mike_at_meteoritecentral.com>
Date: Fri, 29 Aug 2014 12:20:02 -0700
Message-ID: <12C51178-B725-4B2B-9C46-10ADE8CAA1FC_at_meteoriteguy.com>

I've known this for many years. Why this is "new" I have no clue.


Michael Farmer

> On Aug 29, 2014, at 12:18 PM, Jim Wooddell via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
>
> Hi Bob and all!
>
> When I first got into meteorites, I was shocked people were still talking about is as some kind of
> magical thing that hadn't been figured out!
> I think all this does is re-affirm what many already knew. I did not take it as anything new at all!
> I know of the work a few of you did about a decade ago, but ice rafting has been known for decades.
> Disappointed that this made it "official" as it's been official in my mind for years and years....not to mention a video I posted about a year or more ago of ice sheets that were carrying rocks slamming
> into the shore in heavy winds. But whatever. I would still contend wind and water, without the need for ice, can do the same thing. Anyone who has tried to walk across a moist (almost muddy) dry lake knows how slippery they become!
> The power water and wind has is amazing!
>
> I get a kick of the giant rock ice-rafting picture!!
>
> http://www.fvalk.com/images/Arctic/1991/Rock%20conveyor.jpg
>
> Jim
>
>
>
>
>
>
>> On 8/29/2014 10:53 AM, Robert Verish via Meteorite-list wrote:
>> It's now official. We can stop calling them "sailing stones". New video shows that playa rocks are being barged across the lakebed.
>> Apparently, wind-driven, floating sheets of ice are dragging or pushing the rocks leaving their "tracks" in the wet lakebed sediment.
>>
>> Photos in the article show tracks of rocks that make tight turns and circle back into the direction from which they had come. This shows that,
>> in these cases, the rocks are locked into the ice-sheet.
>> http://images.realclear.com/256104_5_.jpg
>>
>> Bob V.
>
> --
> Jim Wooddell
> jim.wooddell at suddenlink.net
> http://pages.suddenlink.net/chondrule/
>
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Received on Fri 29 Aug 2014 03:20:02 PM PDT