Tag Archives: geology

Canadian Earth Science for @PMHarper 11 – Dino Hunt!

The preamble to this review series is here Posted today, February 12, the 206th anniversary of Charles Darwin’s birth and just in time for tomorrow, another #FossilFriday and another day to watch Dino Hunt! —– Bramble, K., M.E. Burns and … Continue reading

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Extreme tides and Winter ice

Figure 1. Winter ice on the salt marshes of Minas Basin photographed from Wolfville, Nova Scotia, March 1, 2007. View to the North.  What is an estuary? An estuary is a bay with an open connection to the sea. Rivers … Continue reading

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Canadian Earth Science for @PMHarper 10 – a question of Iron

The preamble to this review series is here —– Halverson, G.P., F. Poitrasson, P.E. Hoffman, A. Nédélec, J.-M. Montel and J. Kirby, 2011, Fe-isotope and trace element geochemistry of the Neoproterozoic syn-glacial Rapitan iron formation. Earth and Planetary Science Letters, v. … Continue reading

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Nova Scotia’s own Great Unconformity: my new banner photo for 2015

The Angular Unconformity (U) at Nova Scotia’s Rainy Cove, separating intensely folded and faulted early Carboniferous shales and sandstones of the Horton Group (labeled 1 below the unconformity) and gently inclined, undeformed sandstones and conglomerates of the Wolfville Formation (2) at … Continue reading

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Four Billion Years and Counting: Canada is as old as the Earth and this book tells all

    Just published! 400-pages on Canada’s geologic heritage in both official languages for only $39.95! Order your English language copy here and your French copy here.  The book’s website has tons of freely downloadable illustrations and other materials for … Continue reading

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#Katrina10. #Louisiana is still disappearing

I wrote this blog post in November of 2014. I am reblogging it today, on the 10th anniversary of Hurricane Katrina. Land loss map of South Louisiana. Image source here. Click on image to enlarge.  Is it the weather? No … Continue reading

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#Women in (Earth)Science: Dr. Lui-Heung Chan (@FindingAda)

It’s 30 years ago this Fall that I registered for ‘Chemical Oceanography’, a graduate level class at Louisiana State University as part of my PhD program in Marine Sciences. The class was taught by Dr. Lui-Heung Chan, a quiet woman whom … Continue reading

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