Influence of Weathering on the Engineering Properties of Dacites in Northeastern Turkey

Table 2

Intensity of plagioclase microlites in groundmass and phenocrystals with respect to weathering grade.

Weathering Grade	Plagioclase microlites	Plagioclase phenocrystals
I	85–100	70–100
II	45–85	30–70
III	25–45	15–30
IV	0–25	0