MORE SPECIES ARE REVEALED IN FOSSILS FROM THE LATE MIOCENE EPOCH AS DIGGING CONTINUES
For us other folks, the Gray Fossil Museum at the site is easy to get to off I-81 in Tennessee. Type “Gray Fossil Site, Suncrest Drive, Gray, TN” into an Internet map provider site such as Google Maps, get directions and visit if you are in the area. We did that in 2010 and totally enjoyed seeing the actual digging areas and the assembled critters on display. Since it was late fall, student work was suspended until the coming spring.
The Miocene Epoch is said to cover time from 23.8 to 5.3 million years ago. The Gray Fossil Site is said to be from the late part of that epoch, only 7 to 5.3 million years ago. Yikes, that is recent!
Bones found are not turned to rock as commonly thought in fossils. These are actual bones and must be carefully preserved. Using what is apparently cold molding compounds, molds are made of the relics and then copies are cast in the molds. The original bones are much too fragile and valuable to be assembled into a mock-up of a prehistoric animal, therefore the castings are used for this purpose. Great care is required to make the fossil bone castings as close to the appearance of original bones as possible.
Links below tell much more about the find than I do here on the blog. There are no dinosaurs in the find because it is much too young in prehistoric years. The animals are types of ancient camels, rhinos, bears, tapirs, sloths, turtles, lizards and others. There are even prehistoric panda bones including the skull.
This information below is quoted directly from the “Educator’s Guide” which may be downloaded from the Gray Fossil Site website at the link shown: “The Tennessee Department of Transportation (TDOT) discovered the Gray Fossil Site in May 2000 during routine road construction. Workers uncovered a deposit of soft black clay that is not typically seen in our region. They found that the black clay was not suitable for road construction so they called in TDOT geologists for technical advice.
The geologists examined the black clay deposit and found a large number of animal bones and plant remains. They also discovered that the deposit was layered in the same manner as pond or lakebed sediments. These lacustrine (or lake formed) sediments accumulate in slack or still water from silt that sinks to the bottom of the body of water. Leaves and twigs also sink to the bottom adding to the organic ooze. This ooze provides an excellent environment for the preservation and fossilization of plant and animal remains….”
A GOOD WIKI ARTICLE ON THE GRAY FOSSIL SITE:
The photographs in the blog post are from a visit in November 2010. I wonder how the same places look now, one year later?
As we left, there in a field next to the Museum boundary was a home made sign. It said something like The Fulkerson Farm Fossil Site. .
In September of 2011, a press announcement stated that acreage was purchased from the Fulkerson Farm by the Museum to allow fulfillment of coming development.
Link to the press article with photos: http://www.johnsoncitypress.com/Living/article.php?id=94254
Thomas Haynes is a photographer working out of Clinton, Tennessee, a city just north of Knoxville. His photography is often of a fine arts direction but as in this post, his love of nature takes him again to the Clinch River Raptor Center, a rehabilitation and educational not-for-profit organization.. Visit Thomas and see more of his photography at Facebook
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