| A | B |
|---|
| metamorphic rocks | rocks that have been altered by heat and pressure |
| heat sorce | 300-1400 is required...1) radioactive 2)magma or 3)friction |
| pressure sources | 1) mountain building..2) intrusion of magma..3) weigt of layers |
| types of metamorphism | thermal, dynamic, contact, regional |
| thermal | heat |
| dynamic | pressure |
| contact | magma |
| regional | mountain building |
| types of metamorphic rocks | foliated and non-foliated |
| foliated | (dynamic) minerails are aligned into parallel layers |
| non-foliated | (recrystallized) thermal; large intelooking crystals; shiny |
| slate from | shale |
| phyllite from | slate |
| schist from | several sources |
| gneiss from | granite |
| marble to | limestone |
| quartzite to | sandstone |
| green stone to | basalt |
| anthracite coal to | bitumous |
