Formation of metamorphic rock

Question 1

examples

Answer 1

◍ Marble(formerly limestone)
◍ Quartzite (formerly sandstone)

Question 2

metamorphism

Answer 2

◍ changing of rock w. great pressure/heat
◍ over 200 degrees

Question 3

three types of metamorphism

Answer 3

◍ thermal
◍ dynamic
◍ regional

Question 4

thermal

Answer 4

◍ great heat deep in crust
◍ quartizte sugar loaf mountain wicklow
◍ sandstone baked by heat changes to quartzite

Question 5

dynamic

Answer 5

◍ great pressure due to plate movement
◍ shale to slate in kerry

Question 6

regional

Answer 6

◍ both heat and pressure
◍ large areas w. gradual plate movement
◍ gneiss example

Question 7

foliation

Answer 7

◍ change in colour and hardness of rock
◍ marble has ion oxide so is reddish
◍ connemara marble has mineral serpentite is green