Sunday, March 17, 2013

Re: Tennessee Geology( was: Re: [Geology2] An Accurate Way of Predicting Landslides)



Kim,

If I can ever get another group together to brave the water up to our chests in order to get to that beautifully exposed layer of Iridium (it's embedded in a dark blue matrix), I'll block us both one. I just never thought at the time I'd never be going back. What a fun time, but if you don't like snakes, it's not the place for you. lol

The K/T is narrow here in Madison County, but it's very wide in McNairy County where I liked to play and work. You'd have a field day at Coon Creek, what with all those perfectly preserved specimens. In fact, last year I got a call from Memphis Museum Systems to come back to work and I had to turn them down. Darn it.

As soon as I can get the other half of my rock collection from my dad, I'll show you the ones I collected and prepared for display. Coon Creek was once beachfront property during the late Cretaceous whose shoreline collected dead animals that washed up and embedded within the marl. That marl sealed those specimens off from the water table and so you actually have that animal that lived during that time. When I got married, I carried a Crassatella in my pocket for something old. lolol

Lin


On Sun, Mar 17, 2013 at 6:36 PM, Kim Noyes <kimnoyes@gmail.com> wrote:
 

You had me at "I live at the edge of the K/Tboundary..." So um, you can actually see the soot layer? I would pay you your price for a vial full of that black death.

On Sun, Mar 17, 2013 at 3:53 PM, Lin Kerns <linkerns@gmail.com> wrote:
 

Hi Kenneth,

I used to be an instructor at Coon Creek Science Center so I'm glad you had a chance to see those late Cretaceous fossils. :-) Hopefully you had a chance to enjoy the astronomy program, too. I haven't been to the Silurian glades near Waynesboro, so I'll have to check that out, but I've been to the crab site in Selmer and procured a late Cretaceous crab (90% of it) before a stupid Motel 6 was built over it. The Nashville Dome has an interesting story behind it, and at Pickwick State Park, one can hunt for Trilobites, Bryozoans, tube worms, coral, and clams. I have several nice pieces I found there. I currently live at the edge of the K/T boundary north of the location of CCSC, but I do have a few leaf imprints from the area from that time period.

And you're right... we ARE just barely scratching the surface. :-)  Come back and visit our state, soon!

Lin


On Fri, Mar 15, 2013 at 5:34 PM, Kenneth Quinn <mosasaur47@email.msn.com> wrote:
 

Tennessee has lots of nice geological sites, as might be expected from such a long state.  Back in the mid-70s I visited the famous deposit of Cretaceous fossils (Coon Creek?  I forget the name) and also the Silurian glades with the famous sponges, near Waynesboro, as I remember..  Much more recently, near Jamestown, I saw a roadcut that was essentially a reef of Lithostrotionella (sp?), the Mississippian colonial coral.  Also, I have memories of traveling up I-65 from Alabama and stopping at exits to collect from exposures of Ordovician limestones - all sorts of bryozoans, brachiopods, etc.  And of course that barely scratches the surface!
 
Kenneth Quinn




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