Physical Science 2 Final P2

29 cards

Part 2 Unit 8 Chapter


 
  
Created Jul 20, 2009
by
cagrooms

 

 
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1
Igneous rock is formed from
 
crystallization of molten magma
2
In a sedimentary rock, small rounded particles indicate
 
long distance and long travel time
3
The most common outpouring of lava occurs as
 
fissure eruptions
4
As the process of crystallization continues (from molten liquid to solid crystal) the composition...
 
both depleted in the minerals that have already crystallized and enriched in the minerals that...
5
The majority of surface rocks are
 
sedimentary
6
Rocks with a high water content have a
 
lower melting point
7
The layered appearance of foliated metamorphic rocks is due to the
 
realignment of sheet-structured minerals so that they are perpendicular to compressive forces.
8
As rock is heated, the first minerals to melt are those
 
with the lowest melting point
9
Plutons form from magma
 
below the earth's surface
10
A foliated metamorphic rock derived from granite is
 
gneiss
11
For the crystallization of minerals from a magma melting point determines which mineral will...
 
solubility determines which mineral will form first
12
Rocks can begin to melt if
 
all of these
13
Most minerals can be identified by easily observable physical properties. In order of most...
 
hardness, cleavage, density, crystal form, and color
14
Mica is not found in
 
quartzite
15
Minerals that have strong bonds between flat crystal surfaces tend to
 
show poor cleavage
16
Layers of limestone in a rock outcrop often indicate that the area had at some time been
 
covered by water
17
The most violent volcanic explosions are generated from
 
andesitic lava flows
18
For the crystallization of minerals from a magma melting point determines which mineral will...
 
solubility determines which mineral will form first
19
Color is not a reliable means for mineral identification because
 
minerals come in a variety of colors, and chemical impurities in the mineral can affect color
20
Basaltic volcanic eruptions tend to be
 
very fluid and have a low viscosity
21
In contact metamorphism, we generally find
 
dry, high-temperature rocks at the contact border
22
The three most common cementing agents in a sedimentary rock are
 
calcite, silica, and iron oxide
23
The three sources that brought young Earth to its melting point were
 
impact heating, gravitational contraction heating, radioactive decay heating.
24
Similar to the crystallization of silicate minerals, the crystallization of evaporite minerals...
 
precipitate first followed by the minerals that dissolve more easily
25
A mineral deposit can be classified as an ore deposit when
 
valuable metals in the deposit can be mined at a profit
26
Most of the batholithic-sized plutons found in the continents are composed of
 
granite
27
In a wet and humid climate, the mineral halite will succumb to weathering more easily than...
 
all of these
28
The two most common igneous rocks are basalt and granite. Basalt is commonly found ________,...
 
on both the ocean floor and continental land; only on the continents.
29
Foliation in metamorphic rocks is due to directed stress, which causes elongated minerals to...
 
in parallel planes perpendicular to the direction of maximum stress.

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