Article | REF: C902 V1

Aggregates. Origins and characteristics

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

Publication date: August 10, 2007

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2. Properties of quarried rocks

Aggregates borrow a large proportion of their properties from the rocks from which they are derived, and in particular all their intrinsic characteristics, i.e. those that depend on mineralogical composition and petrographic texture.

2.1 Base minerals

Rocks are made up of assemblages of minerals. The most widespread minerals in the earth's crust are silicates (around 90%). The rest include carbonates, metal oxides, sulfates, sulfides, etc.

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2.1.1 Silicates

Silicates...

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Properties of quarried rocks