Table 1 Raw and recalculated grain types and categories for point-counting and petrofacies classification
Symbol | Definition |
|---|---|
Raw | |
 Qnu | Nonundulose monocrystalline quartz |
 Qu | Undulose monocrystalline quartz |
 Qpt | Polycrystalline quartz with metamorphic textures |
 Qpw | Polycrystalline quartz without metamorphic textures |
 Cht | Chert and chalcedony |
 K | Potassium feldspar |
 P | Plagioclase |
 Lvf | Volcanic lithic with felsic texture |
 Lvmi | Volcanic lithic with microlitic texture |
 Lvl | Volcanic lithic with lathwork texture |
 Lvv | Volcanic lithic with vitric texture |
 Lvun | Unidentified volcanic lithic |
 Lmd | Mudrock fragment |
 Lslt | Siltstone fragment |
 Lsd | Sandstone fragment |
 Lm | Metamorphic lithic |
 Carb | Carbonate |
 AM | Accessory transparent minerals |
 OM | Opaque minerals |
 Bio | Bioclastic grains |
 Uni | Unidentified grain |
Recalculated | |
 Qm | Qnu + Qu |
 Qp | Qpt + Qpw + Cht |
 Q | Qm + Qp |
 F | K + P |
 Lv | Lvf + Lvmi+Lvl + Lvv + Lvun |
 Ls | Lmd + Lslt+Lsd |
 Lmt | Lm + Qpt |
 Lst | Ls + Cht |
 L | Lv + Ls + Lm |
 Lt | Lv + Lmt + Lst |