Table 5: Average percentage of fine aggregates in 10 concrete cores
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
Other minerals are zircon, biotite, tourmaline, amphibole, and epidote etc. The minerals / rock types with asterisk sign are potentially reactive in terms of ASR.
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