Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Lithification |
the process in which soft sediment becomes hard rock |
|
|
Hardness |
a measure of the abitlity of a mineral to resist scratching |
|
|
Intrusion |
magma that has pushed into cracks in existing rocks |
|
|
Luster |
the way in which a mineral reflects light |
|
|
Streak |
the color of the powder of a mineral |
|
|
Cleavage |
the splitting of a mineral along smooth, flat surfaces |
|
|
Ash Cloud |
the cloud of ash that forms in the air after some eruptions |
|
|
Clastic |
rocks made of fragments of pre-existing rocks |
|
|
Conduit |
a passageway through which magma flows in a volcano |
|
|
Pyroclastic |
clastic rocks composed primarily of volcanic materials |
|
|
Tephra |
fragmented materials produced by a volcanic eruption |
|
|
Magma |
melted rock inside of the Earth |
|
|
Lava |
melted rock on the surface of the Earth |
|
|
Magnitude |
the strength of an earthquakes |
|
|
Seismograph |
a scientist who studies earthquakes |
