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Photo Galleries - Pre-Cambrian


 
Shield 1
Shield 1
Shield 2
Shield 2
Shield 3
Shield 3
Shield 4
Shield 4
 
Shield 5
Shield 5
Shield 6
Shield 6
Shield 7
Shield 7
Shield 8
Shield 8
 
Shield 9
Shield 9
Shield 10
Shield 10
Shield 11
Shield 11
Shield 12
Shield 12
 
Shield 13
Shield 13
Shield 14
Shield 14
Shield 15
Shield 15
Shield 16
Shield 16
 
Shield 17
Shield 17
Shield 18
Shield 18
Shield 19
Shield 19
Shield 20
Shield 20

       The Canadian Shield,

       The Canadian Shield sometimes called the Pre-Cambrian Shield, is a vast mantle of granite and igneous rock covering most of Canada, parts of the US and Greenland.
       Life on this planet began about 600 million years ago but the shield formations were constructed upwards of 4 billion years ago. The rhythmic patterns in these rocks indicate they were formed in the intense heat of molten magma where the roots of the mountains of this continent were formed. For over three quarters of this planet's geological history, the rocks with no fossils covered the earth.
       Every continent, of course, has a Pre-Cambrian shield but only in Canada and northern New York State are they on the surface and easy to see.
       Just drive north from Toronto, Ontario on Highway 400. It's an hour's drive and a few miles past Barrie when you begin to see rock formations that are truly wonderful ! Granite faces along the highway in white quartz and black basalt. Red and grey granites, orange and ochre and taupe and all in wonderful rhythmic patterns. Take a boatride to the islands of Georgian bay and you see them in all their splendor. That's what these photographs are about, the amazing designs of Nature in the Canadian Shield.
       The photographs were made with Canon digital SLR equipment in September 2005. All images were printed with Epson Ultra-Chrome inks (non fade, life expectancy 80-100 years) on acid free Professional Ink Jet Photo paper. The large prints were made at Tricera lab in Toronto on Enhanced Matte paper with ultra-chrome Epson inks.

© John Dowding, 2005 - 2017. All rights reserved