Thursday, 27 August 2015

Cylindrical Structures in Potsdam Group Sandstone in Eastern Ontario - Part 2

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My blog posting from January 29, 2014 provided an introduction to cylindrical structures found in Potsdam Group sandstone of Eastern Ontario...
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Tuesday, 18 August 2015

If there's something strange in your neighborhood, who you gonna call?

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  Those that watched movies in the mid-1980's or had kids who watched television in the late 1980's will instantly recognize the ti...
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Tuesday, 21 July 2015

Reports of the Trace Fossil Climactichnites found in Central Texas

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The title for this posting is based in part on a poster presentation at a recent Geological Society of America Conference:  the South-Centra...
Thursday, 16 July 2015

Burrows or Not Burrows - Part 2

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Below are photographs of three more specimens from the Potsdam Group sandstones. Specimen 6 -  Same sandstone as produced the Protichnite...
Tuesday, 30 June 2015

Burrows or Not Burrows?

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Adolf  Seilacher (1925 – 2014) was a German palaeontologist who made major contributions to the study of trace fossils.  He is credited with...
Friday, 5 June 2015

Hunting for Whales in Eastern Ontario - Part 2

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In my last posting I mentioned that Professor J. W. Dawson of McGill University had described the finding in 1882 of two vertebrae, a part o...
Friday, 24 April 2015

Hunting for Whales in Eastern Ontario

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I expect that everyone in Eastern Ontario with an interest in geology is aware that the Champlain Sea was a brackish arm of the Atlantic Oce...