News archive - 1989

Wednesday, May 24, 1989

Pebble count from glacial deposits

P.F. Karrow

Wednesday, May 24, 1989

The Saguenay earthquake of 23 November 1988

Perhaps you felt it, perhaps you didn’t. The seismic waves from the November 25th, 1988, earthquake passed beneath the feet of everyone reading this article, but your reaction would have depended on a number of factors, chief amongst them being your distance from Chicoutimi or Jonquiere, Quebec. That being equal, your reaction would have depended on the nature of the ground beneath you, and your "coupling" to that ground– That is, it would have varied if you were walking, riding in a car, living in a single or multistory building, in bed, in the bath, and so on.

Wednesday, May 24, 1989

The creep at Waterloo

Chris Fordham

Do you ever wonder where the salt you sprinkle on your dinner or the salt they spread on the roads in the winter comes from? How about the origin of the agricultural fertilizer potash? They both some from geological deposits which are derived from the evaporation of large volumes of seawater; table salt is a mineral known as halite (NaCI) and potash is another type of salt known as sylvite (KCI).

Wednesday, May 24, 1989

Waterloo Centre for Groundwater Research: The diaper dilemma

Sherry Schiff

As every proud new mom or dad (or older brother or sister) knows, a new baby means lots of diapers – 15 to 18 every day! The television is full of ads promising longer protection for grandma’s antique sofa, a new form fit without "the bunchies", and even colour coded diaper: pink for girls and blue for boys. Recently, concern has been expressed over the diaper issue and as with any issue close to the heart, especially one involving children, the arguments have become fairly heated. Why all the concern about diapers?

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