Table 5

1 January 2000

Table 5: Average percentage of fine aggregates in 10 concrete coresOther minerals are zircon, biotite, tourmaline, amphibole, and epidote etc. The minerals / rock types with asterisk sign are potentially reactive in terms of ASR.
Quartz 38.5%
Quartzite* 26.5%
Acid to Intermediate Volcanics* 7.2%
Quartz wacke / Greywacke* 5.8%
Chert* 4.4%
Carbonates 5.3%
Slate / Phyllite* .4%
Quartz Mica Schist 2.0%
Magnetite 1.7%
Muscovite 1.2%
Other Minerals 4.3%
Total Reactive Constituents 47.5

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