- Maine Geology - Economic Geology Photo Gallery - Photos of sand and gravel pits and stone quarrying.
- Gypsum and Anhydrite in Nova Scotia - Provincial government information circular on the Nova Scotia occurrence, mining history, and uses of these minerals.
- Scottish Agates - A series of images of Scottish agates from the Midland Valley of Scotland, UK with additional material from the Cheviot Hills.
- Goonvean - Europe's largest independently owned kaolin producer, based in Goonvean Cornwall England UK.
- Geology and History of Coal in Nova Scotia - Provincial government information circular.
- Peat Moss in Nova Scotia - Peat is the partially decomposed remains of plants and animals which have accumulated in oxygen poor freshwater environments over the past 11 000-13 000 years. Peat is mined for horticultural purposes, and is also used in distillation, yeast cultivation,
- Geoconsultant - Technical and commercial specialist, based in the United Kingdom, specializing in the exploration and evaluation of industrial minerals particularly kaolins and calcium carbonates.
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