Physical Geology On-line Lab

Exercise 3: Metamorphic Rocks

Rocks present:

• one of each (non-foliated): anthracite, marble, quartzite
• one of each (foliated): slate, phyllite, gneiss
• four schists (foliated): biotite schist, chlorite schist, garnet schist, muscovite-starolite schist

Metamorphic rocks to identify
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note: M1 reacts with HCl (acid)	note: M2 scratches glass (H=7)
	note: M5 is foliated

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last updated: 2020-10-19