Properties of mined rocks
Aggregates. Origins and characteristics

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Properties of mined rocks


Aggregates. Origins and characteristics

Authors : Pierre DUPONT, Georges AUSSEDAT, Yannick DESCANTES, Jeanne-Sylvine GUEDON

Publication date: August 10, 2007 | Lire en français

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2. Properties of mined rocks

Aggregates derive most of their properties from the rocks from which they originate, particularly all their intrinsic characteristics, i.e., those that depend on mineralogical composition and petrographic texture.

2.1 Basic minerals

Rocks are composed of assemblages of minerals. The most common minerals in the Earth's crust are silicates (approximately 90%). The rest includes carbonates, metal oxides, sulfates, sulfides, etc.

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2.1.1 Silicates

Silicates are essentially geometric...

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