Re: Report from Edinburgh

["Jaime A. Headden" <qilongia@yahoo.com>]

David Marjanovic (david.marjanovic@gmx.at) wrote:

<It isn't lava but ash -- a sediment. :-)>

  The fossils from Liaoning and the easternmost Nei Monggol Zizhiqu
provinces of China (where the Jehol Group deposits) are not sedimentary
but volcanic in origin. Even volcanic fines and ash are igneous in nature,
not sedimentary, as they are not refined through erosion into smaller
particulate.

  The most significant dinosaurs from the Yixian and Tuchengzi Formations
(the Jiufotang is considered here close to the Yixian so they may be
conceived of as confluent and poorly delineated levels, possibly members
of the same formation) (lower and middle Jehol Group) are comprised of
several maniraptoran theropods (*Microvenator zhaoianus*, *Sinovenator
changii*, *Sinornithosaurus millenii*, *Caudipteryx zoui* and *C. dongi*,
*Protarchaeopteryx robustus*, *Beipiaosaurus inexpectatus*), two more
primitive theropods (*Sinosauropteryx prima* and the GMV specimen), two
basal ornithischians (*Liaoningosaurus paradoxus* and *Jeholosaurus
shangyuanensis*), several marginocephalians (*Chaoyangsaurus youngi* and
*Liaoceratops yangzigouensis*, plus *Psittacosaurus* [material is in
study]), and an advanced ornithopod (*Jinzhousaurus yangi*).

=====
Jaime A. Headden

  Little steps are often the hardest to take.  We are too used to making leaps 
in the face of adversity, that a simple skip is so hard to do.  We should all 
learn to walk soft, walk small, see the world around us rather than zoom by it.

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