Fossils and Geology of Lanark County, Ontario
Friday, 16 August 2019
The K-Bentonite Occurrence at Tenth Line Rd. and St. Joseph Blvd, Ottawa and Historical References to Bentonite Clay
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Since my July 28, 2019 and August 7, 2019 blog postings I’ve continued to find articles referring to K-Bentonite (altered volcanic ash) in E...
Friday, 9 August 2019
Mark Your Calendars for a Tour of the Tatlock Quarry on Saturday, August 24th
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Below is an advertisement from this week’s Perth Courier for the tour of OMYA’s Tatlock Quarry on August 24th from 10 am to 2pm, rain or s...
Wednesday, 7 August 2019
Porphyritic Volcanic Rock - When the Comment is More Interesting than the Original Post
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Henri Lessard, who writes the Géo-Outaouais blog covering the geology of the Outaouais and Ottawa area, left me a very interesting com...
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Sunday, 28 July 2019
Phenocrysts in a Bed of Porphyritic Volcanic Rock in the Ordovician Sedimentary Rocks of the Ottawa Embayment, Eastern Ontario
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In the sedimentary rocks of the Ottawa Embayment I may have found a thin bed of a porphyritic volcanic rock. Finding evidence...
Thursday, 18 July 2019
Dr. Arthur Wade’s (1924) Contribution to the Discovery of Precambrian Fossils in Australia
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"Our most interesting find consisted of a variety of fossil remains in these siliceous flags and shales. These consisted of the tracks ...
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