Maggie Wilson Author

Historical Non-Fiction in Northern Ontario

Tag Archive for ‘concretion’

One Word Photo Challenge: Bronze

This is a pyrite concretion that somewhat fits the colour bronze (bronze-ish?). It formed in shale from Tea Cove, Newfoundland, Canada. The ram shape may have formed around a trilobite fossil. 7.5cm x 5.5cm x 2.0cm More from Wikipedia A concretion is a hard, compact mass of sedimentary rock formed by the precipitation of mineral cement within the spaces between the sediment grains. Concretions are often ovoid or spherical in […]

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