Geology Test 2

Front 1

Rocks are formed when magma..

Back 1

Crystallizes

Front 2

This volcano is wider than it is tall and produces peaceful eruptions.

Back 2

Shield Volcano

Front 3

A magma that contains a lot of gas would lead to which type of eruption?

Back 3

Explosive

Front 4

The type of volcano with very steep sides that has violent eruptions is known as..

Back 4

Composite or Strato Volcano

Front 5

Volcanism occurs 80% of the time at what plate boundary?

Back 5

Divergent

Front 6

The cascade range volcanos have formed as a result of what tectonic process?

Back 6

Subduction

Front 7

What type of sedimentary rock is formed from minerals that were once dissolved in water?

Back 7

Chemical Sedimentary Rocks

Front 8

Rocks melt at a ______ temperature when water is present.

Back 8

Lower

Front 9

Weathering is classified into what two categories?

Back 9

Physical and Chemical

Front 10

If sedimentary rock has rounded fragments it can be inferred that the sediment Must have been carried what distance?

Back 10

A long distance

Front 11

A sedimentary rock that is made up of rock fragments that are compacted and cemented together is known as...

Back 11

Clastic Sedimentary Rock

Front 12

High temperature without simultaneous high pressure will lead to what?

Back 12

Partial Melting

Front 13

In regional metamorphism what has the greatest affect on a rock?

Back 13

Pressure

Front 14

What type of metamorphism results when rocks come in contact with magma such as those in an intrusion?

Back 14

Contact Metamorphism

Front 15

What type of rock results when extreme pressure causes minerals in a metamorphic rock to realign, separating the dark and light bands?

Back 15

Foliated

Front 16

The term FELSIC refers to which 2 elements?

Back 16

Si and O (Silica and Oxygen)

Front 17

Igneous rocks that cool quickly on earths surface are called...

Back 17

Extrusive

Front 18

Magma is classified according to the % of...

Back 18

Silica

Front 19

Intrusive igneous rocks form this grain size..

Back 19

Coarse-Grained

Front 20

These two elements are the primary components of a MAFIC rock.

Back 20

Mg and Fe (Magnesium and Iron)

Front 21

At a divergent boundary you would see this style of volcanism.

Back 21

Peaceful Volcanism

Front 22

Mt. Fuji is located in this country.

Back 22

Japan

Front 23

This volcanic feature forms when a composite volcano collapses into its emptied magma chamber.

Back 23

Caldera

Front 24

Mt. Vesuvius is located in this country.

Back 24

Italy

Front 25

Name three factors that affect the formation of magma.

Back 25

Heat, pressure, water content, and mineral composition.

Front 26

This law states that sedimentary rocks are originally deposited into horizontal layers.

Back 26

Law of Original Horizontality.

Front 27

This rock is most often found forming at divergent boundaries.

Back 27

Basalt

Front 28

This grain size is the result of slow cooling magma/lava.

Back 28

Large Grain size

Front 29

This plate boundary does not experience pressure as a dominant force.

Back 29

Divergent

Front 30

This rock is the primary component of the continental crust.

Back 30

Granite

Front 31

This rock is the most common component of the mantle.

Back 31

Peridotite

Front 32

This term describes how easily a fluid flows.

Back 32

Viscosity

Front 33

This law states that, for rocks that have not been deformed or cross cut, the older rocks are on the bottom and the younger rocks are on the top.

Back 33

Law of Superposition

Front 34

At continent-continent converging boundaries you would expect this type of volcanism.

Back 34

Very Little volcanism

Front 35

This is the name for the process where rocks are broken into smaller fragments.

Back 35

Weathering

Front 36

This type of unconformity is the result of dipping layers being directly overlain by horizon layers.

Back 36

Angular Unconformity

Front 37

Weathering of a rock will be greater if the surface area is...

Back 37

Larger

Front 38

This type of deformation will typically fracture, break and fault a rock.

Back 38

Brittle Deformation

Front 39

One of these changes will cause a rock to melt.

Back 39

Raise temperature, reduce pressure, increase water content