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Table 4: Average percentage of coarse aggregates in 10 concrete cores

The minerals / rock types with asterisk sign are potentially reactive in terms of ASR.

Quartzite* 61.8%
Acid to Intermediate Volcanics* 13.7%
Quartz wacke / Greywacke* 13.3%
Chert* 3.9%
Metadolerite 2.8%
Limestones 2.1%
Basalt 1.6%
Quartz Mica Schist 0.8%
Total Reactive Constituents 93.5