SC.7.E.6.2 Flashcard

Front

What two processes are essential to the creation of sedimentary rock?

Back

compaction and cementation

Front

"Lith" means...

Back

rock, rigid

Front

During compaction, sediment is squeezed together causing the volume of soft sediment to:

• increase
• decrease
• stay the same

Back

decrease

Front

Metamorphic rock usually starts as

Back

igneous and sedimentary rock

Front

Metamorphic rock can only be formed underground.

Back

True

Front

What are the two scales of metamorphism?

Back

Contact(Local) & Regional

Front

What scale of metamorphism usually occurs deep underground during mountain-building episodes?

Back

Regional metamorphism

Front

Local metamorphism occurs when igneous intrusions get very close to earth's surface. This usually changes sedimentary and igneous rock into metamorphic rock due to the intense

Back

heat

Front

Extrusive Igneous rock is formed from

Back

lava

Front

Intrusive igneous rock is formed from

Back

magma