Monday, September 19, 2011

Project Mini-Calymene


My new project is to clean this small Calymene trilobite found in the Silurian Period Waldron Shale. Since it is so small ( < 2 cm), I am using a dissecting needle.  My cousin advised using the microscope and that has been a great idea.  The needle is too large for removing matrix in the thorax grooves so I need to find a smaller cleaning needle.

I was happy that the trilobite is intact.  The spots where the eyes were are worn away but otherwise the trilobite looks to be in good shape.





After the first prep session that used a needle, toothbrush, water, and a microscope.



Sunday, September 18, 2011

Fossil Festival Fun

Saturday was a full day at the Fossil Festival at the Falls of the Ohio State Park in Clarksville, Indiana. The morning started out breezy and chilly with a sunny sky.  Good hiking and fossil collecting weather.  The first photo shows a group returning from across the Ohio River spill way which is a path to the outer Devonian and Silurian coral beds.


Visitors started visiting the collecting piles of Silurian and Devonian fossils along with the Illinois mineral pile. I mostly identified brachiopods for visitors but saw a number of Eucalyptocrinus calyx cups being found.  I got worn out digging through the pile to try and find fossils for visitors.  Using a shovel was somewhat successful in breaking up some of the compacted shale but a pick would have worked better.



A young woman found the corner of a clear-to-purple fluorite cube with a phantom cube corner inside.  That was a nice piece to see.  Later some trilobite pieces were found including an imprint of an Arctinerus.  Jack, the fossil dog, showed up to see how every one was doing with their collection efforts.



Later, I was shown a blastoid that might be a Troosticrinus (Shumard, 1866) which is really rare.  It was fun meeting some of the dedicated fossil collectors at the piles.


The Interpretive Center has been receiving upgrades so I checked them out.  The lobby displays have been removed to allow social gatherings to be held there instead.  The mastodon did remain but moved to the side.

Large glass sculptures hang from the ceiling.


I finished out the day at the KYANA Geological Society table selling fossils/minerals/rocks as a fundraiser and telling visitors about the upcoming club show.  We were next to students from Indiana University and University of Cincinnati.  It had really warmed up by the afternoon, I wished I brought some shorts and a T-shirt to change into.

My walk back to the car I came across a flint knapper with some of his work.  I believe his name was Steve and he had some very nice pieces.

Friday, September 16, 2011

U.S. Postal Dinosaur/Reptile Stamps


Unearthed (so to say) from my stamp collection are two blocks of unused flying reptile and dinosaur stamps.  These 25 cent stamps were issued by the United States Post Office in 1989.  I covered each stamp in its cancelled form earlier in the year.  It was educational for me, as I learned the difference between a dinosaur and flying reptile. An added bonus was learning about issues with the Brontosaurus stamp. 

The following links lead to those entries:

http://louisvillefossils.blogspot.com/2011/04/tyrannosaurus-postage-stamp.html

http://louisvillefossils.blogspot.com/2011/04/stegosaurus-postage-stamp.html


 http://louisvillefossils.blogspot.com/2011/04/pteranodon-flying-reptile-postage-stamp.html

http://louisvillefossils.blogspot.com/2011/05/brontosaurus-apatosaurus-stamp.html