Tuesday, 5 July 2016

Mark your calendars for a Guided Quarry Tour on September 10, 2016

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One of Lanark County’s claims to fame is the high quality maple syrup that is produced at the maple sugar bushes that are located throughout...
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Sunday, 26 June 2016

Perthite from Near Perth, Ontario; Part 3

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I’ve previously written about Perthite from Perth, Ontario.   In my posting from Monday, January 14,  2013 I mention two outcrops south of P...
Friday, 29 April 2016

A specimen of Eozoon Canadense at the Matheson House Museum in Perth, Ontario

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             Eozoön (ē-o-zō’on) a supposed gigantic fossil foraminifer found in marble of the Laurentian              rocks of Canada , whe...
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Thursday, 17 March 2016

When Stromatolites Were called Concretions, Devil’s Pots, Snow-shoe Tracks and Cannon Balls

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    "The paradox presented by stromatolites is conveyed by Ginburg’s (1991, p. 25) impish comment that “few observers have any difficul...
Tuesday, 26 January 2016

Fluvio-glacial Sculpted Forms in Outcrops Near Newboro, Eastern Ontario

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Geologists and geographers who study glacial eroded features in bedrock can distinguish between: (a) features  which are formed by boulders,...
Tuesday, 29 December 2015

More Evidence of Microbial Mats in Potsdam Sandstone near Newboro, Eastern Ontario

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Winter has arrived in Eastern Ontario.  Eight centimeters of snow fell last night and more is forecast for today.   I’m glad that on Decembe...
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Wednesday, 23 December 2015

Dewatering Structures, Biofilm Structures, Glacial Striae and Chatter Marks in Potsdam Sandstone near Newboro, Eastern Ontario

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It has been a remarkably warm December for Eastern Ontario and we have yet to receive anything more than a light dusting of snow.  Yesterday...