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Luster’S Gate Virginia - Need Assistance On Graptolite Id’S


dshamilla

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The following graptolites were collected at two Luster’s Gate locations east of Blacksburg, Virginia, one on VA 723 (UTM 17S 556351.49 4121426.16) and the other on VA 785 (most likely, UTM 17S 556851.28 4122155.54). I remember the second location as being just north of a sharp bend in the road and I wish Google Earth would run a street view down VA 785 so I could verify it. The locality on VA 785 has been listed as having exceptional preservation (lagerstatten) but I had never considered it so, until I found Specimen # 6.

Anyways, I’ve photographed and scanned six specimens and I am having problems pinning down any type of assured ID other than graptolithina. I’m not well versed in graptolite taxonomy and I realize the preservation is somewhat poor, so I would expect speciation unlikely. But, maybe someone in the FF familiar with the taxa and/or the site can verify my lame attempt at taxanomic placement of some of the specimens and make a generic or family/group determination on all. That would be most helpful.

Also, is anyone aware of where I might obtain a copy of the following thesis/dissertation other than the VPI library?

J. Duval Shultz, 1919. The Graptolites of the Luster's Gate Locality, Montgomery County. Virginia Polytechnic Institute, 18p.

Specimen#1

post-12742-0-30954400-1430350253_thumb.jpg

Specimen #2

post-12742-0-29054800-1430351051_thumb.jpg

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This paper lists a bunch of graptolite species from Lusters Gate (formerly the Athens Shale):

 

 

Powell, S.L. (1915)

Discovery of the Normanskill graptolite fauna in the Athens Shale of southwestern Virginia.

The Journal of Geology, 23(3):272-281

 

OPEN ACCESS PDF

 

 

 

  • I found this Informative 1

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