Which physical characteristic best describes this rock

foliated texture with microscopic mica crystals

What determines whether a rock is classified as shale, siltstone, sandstone, or conglomerate?

the particle size of the sediments within the rock

was once diorite and underwent regional metamorphism

metamorphic - heat and pressure

The presence of coal in Antarctica indicates that

Antarctica's climate was once warmer

Describe the texture shown by this metamorphic rock that indicates it could be schist.

foliation, flattened crystals, mineral alignment

exhibits mineral alignment and foliation

igneous -randomly scattered and interlocking crystals

tetrahedral molecular structure-silicates

How can andesite and diorite have the same mineral composition, and be different igneous rocks.

One is volcanic and the other is plutonic

sedimentary-land derived fragments cemented+compacted

The rock at H is probably

metamorphic-quartzite, metamorphic - hornfels

Which statement is best supported by Bowen's Reaction Series?

Musc.mica+quartz are the last to crystallize as magma cools.

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Minerals and Rocks

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Questions 64

Answers

1
Which physical characteristic best describes this rock
clastic texture with angular fragments
glassy texture with gas pockets
bioclastic texture with cemented shell fragments
foliated texture with microscopic mica crystals
2
What determines whether a rock is classified as shale, siltstone, sandstone, or conglomerate?
the particle size of the sediments within the rock
the density of the sediments within the rock
the age of the sediments within the rock
the mineral composition of the sediments within the rock
3
This rock
was once dunite and underwent regional metamorphism
was once granite and underwent regional metamorphism
Cooled slowly underground
was once diorite and underwent regional metamorphism
4
This rock forms from
regional metamorphism
cementation and compaction
contact metamorphism
melting and solidification
5
This is
metamorphic- foliated
igneous randomly scattered crystals
metamorphic- layers
contact metamorphism
6
Which two adjoining bedrock would most likely have a zone of contact metamorphism between them?
shale and sandstone
limestone and granite
limestone and sandstone
shale and conglomerate
7
Foliation happens
metamorphic - heat and pressure
igneous-crystal formation
contact metamorphism
sedimentary- deposition
8
This rock's texture can be described as
fine
coarse
very coarse
rough
9
The rock in area B is
igneous- extrusive
metamorphic-regional
sedimentary-in a layer
igneous- intrusive
10
The rock in area H is
igneous-intrusive
sedimentary-layers
metamorphic - regional
metamorphic-contact
11
Which material is made mostly of the mineral quartz?
window glass
sulfuric acid
pencil lead
plaster of paris
12
Which type of rock is forming above the coal material during stages 2 and 3?
metamorphic
a mineral
sedimentary
igneous
13
This rock is
metamorphic-mineral alignment
Sedimentary - fossils
Igneous- volcanic
Igneous-plutonic
14
State the environment of formation of the igneous rock based on the size of intergrown crystals
above Earth's surface
extrusive
volcanic
intrusive
15
Which rock would be the best source of the mineral garnet?
limestone
basalt
slate
schist
16
Which two minerals are commercial sources of iron?
galena and graphite
hematite and magnetite
garnet and flourite
muscovite mica and biotite mica
17
The presence of coal in Antarctica indicates that
Antarctica currently has areas of tropical climate
forests can grow on continental glaciers
Antarctica's climate was once warmer
coal can form in cold climates
18
What is the density of a mineral of 262.2 g that displaces 46 cubic centimeters of water?
1.8 g/cm3
12.2 g/cm3
6.1 g/cm3
5.7 g/cm3
19
This rock is
sedimentary- fossils
metamorphic-distortion
igneous-extrusive
igneous -intrusive
20
Which characteristic of the intrusion provides evidence that it solidified deep underground?
coarse texture
light color
felsic composition
very hard
21
Describe the texture shown by this metamorphic rock that indicates it could be schist.
foliation
flattened crystals
mineral alignment
randomly interlocking crystals
22
Which rock layer would effervesce with acid?
A
C
B
D
23
This rock is
sedimentary- conglomerate
igneous - granite
metamorphic-gneiss
igneous -gabbro
24
This rock is named
conglomerate
gabbro
granite
pegmatite
25
This rock is
sedimentary- layers
metamorphic - randomly scattered crystals
igneouos-vesicular
metamorphic- foliated
26
The minerals listed are in which group of minerals
halides
silicates
nitrates
sulfates
27
Which rock forms when minerals crystallize in these stages as molten material gradually cools?
gabbro
gneiss
breccia
shale
28
This rock
exhibits mineral alignment and foliation
exhibits banding only
exhibits banding and foliation
exhibits mineral alignment only
29
This rock is
metamorphic-foliated
sedimentary-land derived sediments compacted and cemented
igneous -randomly scattered and interlocking crystals
igneous glassy
30
This image shows
4 silicons and 1 oxygen- most abundant in Earth's crust
cubic arrangement of atoms-halite
tetrahedral molecular structure-silicates
Jacks - a game played with a ball and metal toys
31
This rock is
metamorphic- contact
metamorphic - regional only
metamorphic- contact and regional
metamorphic - non-foliated
32
This rock was probably
sand that was weathered,eroded, deposited,cemented+compacted
sandstone - contacted by magma
limestone-extremely deep underground
shale- involved in an orogeny(mountain building event)
33
Which rock was subjected to intense heat and pressure but did not solidify from magma?
sandstone
schist
rhyolite
gabbro
34
This rock may
be foliated
bubble with acid
have randomly scattered crystals
have fossils
35
How can andesite and diorite have the same mineral composition, and be different igneous rocks.
One melted and solidified one only recrystallized
They formed when contacted by an igneous intrusion
They are both the same rock
One is volcanic and the other is plutonic
36
This rock is
sedimentary-shells compacted +cemented together
igneous-randomly scattered crystals
sedimentary-land derived fragments cemented+compacted
sedimentary-fossils
37
If a rock is banded it is
eh.. it's ok
mica schist
gneiss
awesome
38
This rock is
igneous-glassy
sedimentary-shells compacted + cemented together
sedimentary- fossils
igneous- vesicular
39
This rock has a grain size of
.006-.2 cm
.0004-.006cm
.2-6.4cm
all of the other choices
40
What is the density of this mineral sample?
24 g/mL
34 g/mL
6 g/mL
60 g/mL
41
The rock at H is probably
metamorphic-quartzite
metamorphic - hornfels
metamorphic-foliated
metamorphic- shale
42
Which property is most useful in distinguishing pyroxene from amphibole?
angles of cleavage
sample size
hardness
type of luster
43
Igneous rocks form from
weathering deposition cementation compaction
re-crystallization of minerals
uplift
melting and solidification
44
This rock can be described as
an evaporite
chrystalline
clastic
bioclastic
45
Sedimentary rocks usually form in
subduction zones
areas of rifting
marine environments
deep underground
46
The graph shows the percentages of four minerals that compose gabbro. Identify X
plagioclase feldspar
quartz
potassium feldspar
olivine
47
The rock in area H can be
basalt
Hornfels
quartzite
granite
48
Which geologic process is occurring to cause this conversion?
sedimentary layering
intrusion of magma
metamorphism
weathering
49
The atom of element 1 is surrounded by four atoms of element 2. Name the mineral
halite
quartz
fluorite
galena
50
Which statement is best supported by Bowen's Reaction Series?
Biotite mica is the first to crystallize as magma cools.
Most minerals crystallize at the same temperature.
Musc.mica+quartz are the last to crystallize as magma cools.
Most felsic minerals crystallize before most mafic minerals
51
Which nonfoliated rock forms only in a zone of contact metamorphism?
marble
quartzite
hornfels
anthracite
52
Banding happens in
regional metamorphism
contact metamorphism
igneous- intrusive
sedimentary- deposition in layers
53
This rock shows evidence that it is
igneous because of randomly scattered crystals
metamorphic because of mineral alignment
sedimentary-shells compacted and cemented
sedimentary because of layers
54
Which rock is composed of the mineral halite that formed when seawater evaporated?
dolostone
rock gypsum
rock salt
limestone
55
This rock may contain
platy mica crystals
Precipitates of biologic origin
halite
compacted plant remains
56
Which statement is best supported by the diagram?
The mineral apatite will scratch topaz.
A steel file has a hardness of about 7.5.
Calcite will be scratched by a copper penny.
A fingernail will scratch calcite but not gypsum
57
The rock found a the interface between layers 6 and 7 can be
hornfels or slate
slate only
hornfels only
neither slate nor hornfels
58
This rock is
metamorphic-contact
igneous - randomly scattered crystals
sedimentary-strata
metamorphic-regional
59
Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the
cooling and crystallization of magma
evaporation of an ancient ocean
heat and pressure during metamorphism
layering from deposition of grains
60
This rock is
metamorphic
igneous
sedimentary
61
Which statement best describes a general property of rocks?
All rocks are formed by compression+cementation.
All rocks contain fossils.
Most rocks are composed of a single mineral.
Most rocks have a number of minerals in common.
62
The rock in area F can be
rhyolite
pumice
granite
breccia
63
This rock is probably
sedimentary- horizontal layers
metamorphic- banding and distortion
64
What is the origin and rate of formation of this rock?
plutonic with rapid cooling
volcanic with rapid cooling
volcanic with slow cooling
plutonic with slow cooling

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