STUDY GUIDE FOR METAMORPHIC ROCKS
| Yes or No | Quartz, clay, mica, calcite, etc. | quartz / muscovite / biotite / hornblende / garnet, etc. | Foliated/Non-Foliated | ||
| No. | Acid Rx | Chief Minerals (or Matrix) | Other Minerals | Classification | Rock Name |
| 301 | no | clay minerals | quartz? | foliated | slate (black) |
| 302 | no | biotite, quartz | foliated | biotite gneiss | |
| 303 | no | quartz | none | non-foliated | quartzite |
| 304 | no | biotite, muscovite, quartz | foliated | mica schist | |
| 305 | no | biotite, quartz | foliated | biotite gneiss | |
| 306 | no | hornblende | quartz | foliated | hornblende schist |
| 307 | yes | calcite | none | non-foliated | marble (white) |
| 308 | no | no minerals (organic matter) | no minerals (organic matter) | non-foliated | anthracite coal |
| 309 | no | clay minerals | quartz | foliated | phyllite |
| 311 | no | muscovite, biotite, quartz | garnet? | foliated | augen gneiss |
| 314 | no | muscovite, biotite, quartz | garnet | foliated | garnet mica schist |
| 315 | no | biotite, quartz | foliated | biotite gneiss | |