1. HCCS-NORTHWEST COLLEGE PHYSICAL GEOLOGY 1403
METAMORPHIC ROCKS

2. SLATE FOLIATED TEXTURE LOW-GRADE SLATY CLEAVAGE PARENT ROCK: SHALE
CLAY COMPOSITION

3. SCHIST FOLIATED TEXTURE INTERMEDIATE GRADE SCHISTOSITY
PARENT ROCK: SHALE
CLAY COMPOSITION

4. GNEISS FOLIATED TEXTURE HIGH-GRADE GNEISSIC LAYERING
PARENT ROCK: DIORITE
PLAGIOCLASE, QTZ, MICA

5. MARBLE NONFOLIATED TEXTURE HIGH-GRADE PARENT ROCK: LIMESTONE
CALCIUM CARBONATE

6. QUARTZITE NONFOLIATED TEXTURE HIGH-GRADE PARENT ROCK: SANDSTONE
QUARTZ COMPOSITION

7. METACONGLOMERATE NONFOLIATED TEXTURE HIGH-GRADE
PARENT ROCK: CONGLOMERATE
QUARTZ COMPOSITION