問題一覧
1
are plates that meet at a certain point and collide with one another.
Convergent plates
2
is a fracture in which rocks on either side of the fracture have not moved
Joint
3
The sides of a fold are called the __ .
limbs
4
When deformation is ductile, rocks bend without breaking, it forming __
Folds
5
Boundary where plates move towards each other
Convergent boundary
6
Responsible for expanding ocean basins and rifting
Divergent boundary
7
is the distance that rocks on opposite sides of fault have moved
Slip
8
oceanic crust is composed mostly of __, an igneous rock rich in iron.
basalt
9
A circular or elliptical anticlinal structure is called a __
dome
10
A similarly shaped syncline is called a __ .
basin
11
are created by combinations of tectonic and surface processes
Landforms
12
are plates that slide past one another, neither creating nor destroying one another.
Transform plate
13
True or false: Trenches are the most common points of divergent plates.
True
14
A ___ is any feature produced by rock deformation
geologic structure
15
This is the tensional force exerted by cold, dense oceanic plates as it subducts into the mantle due to its weight. This works in conjunction with the mantle convection.
Slab pull
16
Bending of the rocks or deformation
Fold
17
Happen below the ocean
Mid-oceanic drift / ridge
18
When the side across the fault moves to the right, it is called a __. If the side across the fault moves to the left, it is a __ .
right-lateral strike-slip fault, left-lateral strike-slip fault
19
True or false: The San Andreas Fault is an example of a dextral fault.
True
20
It was then widely accepted by the scientific community when the continental drift theory was supported by the evidence of seafloo spreading in the 1950s to 1960s.
Plate tectonics
21
proposed an explanation for these odd magnetic patterns on the sea floor
Frederick Vine. Drummond Matthews, and Lawrence Morley
22
the oceanic plate automatically subducts, creating continental volcanic arcs.
Ocean-continent convergence
23
Continents split due to rifting.
Continent rifting
24
The thermodynamic heating of the liquid rocks in the mantle provides movement to the plates.
Mantle convection
25
How did the continent form
Pangea ( 7 continents)
26
is a massive piece of thick and hardened stratified rock that floats above the liquid earth it sits upon.
Plate
27
THIS IS the crust that HOIDS the continents. It is less dense than the other type.
Continental drift
28
the denser oceanic plate subducts to the less dense oceanic plate, creating island arcs
Ocean-ocean plate convergence
29
The Theory states that earth's CRUST IS DIVIDED into several. Plates that Gildes over the mantie, acting as HARD SHell.
Plate tectonics
30
__ are most commonly caused by compressive stress.
Anticlines
31
As the spreading continues, passive margin cooling occurs and sediments accumulate
Passive margin cooling and sedimentation
32
The motion can be observed at the left (called a ___) or at the right (called a ___).
Sinistral fault, dextral fault
33
is the upper portion of a convecting cell and thus glides over the asthenosphere as a result of the convection
Tectonic plate
34
A __ is an open, step-like structure in which the layers are all inclined in the same direction on either side of the fold axis.
monocline
35
to mapping the topography of the sea floor, oceanographers towed devices called
magnetometers
36
__ are important in engineering, mining, and quarrying because they are planes of weakness in otherwise strong rock.
Joints and faults
37
are typically nearly vertical and move rock horizontally past each other on either side of the fault.
Strike - slip faults
38
is a fracture along which rock on one side moved relative to rock on the other side.
Fault
39
Fracture or crack that is being release wides the ocean deep sea vent
Slip
40
As they mapped the sea floor, oceanographers discovered the largest mountain chain on Earth, now called the ___
Mid- Oceanic Ridge system.
41
Exogenic and endogenic processes weather down mountains, which allows the crust to restart the entire cycle.
Orogenesis
42
This is the region on the lithosphere where tectonic plates are moving relative to each other
Plate boundary
43
As continental plates proceed to collide, crustal roots are formed and build mountains
Continental collision
44
are responsible for their formation.
Plate tectonics
45
A fold arching upward is an __
anticline
46
Synclines are like __-they are U-shaped folds in which strata dip towards the fold axis and the strata become younger as one moves towards the fold axis. A
basins
47
is a special type of reverse fault that is nearly horizontal.
Thrust fault
48
This is the plate boundary where plates collapse and volcanic arcs are made.
Convergent boundary
49
fracture that stretches from the boundary
Normal fault
50
form most often due to compression-forces that push rock together, breaking the rock and creating a fault.
Reverse fault
51
Boundary where plates slide against each other
Transform boundary
52
refers to the upward and downward flow of fluid material in response to heating and cooling
Convection
53
When deformation is brittle, rocks break, it forming ___
joints or faults.
54
Used in a theory regarding the Earth's timeline
Seafloor spreading
55
__ creates tremendous stress near plate boundaries; this stress deforms rocks
Tectonic movement
56
Responsible for creating mountain belts and ranges
Convergent boundary
57
Fragments carried by the subducting plate accretes and welds materials to the continent
Subduction welding
58
anticlines do not necessarily form ___ .
topographic ridges
59
Which are the youngest rocks?
in the middle of Mid-Atlantic Ridge
60
It is any factor that drives tectonic plates to move.
Plate movement
61
Oceanic crust subducts beneath a continental crust, creating a volcanic mountain belt at at the active margin
Volcanic mountain belt formation
62
Another continent that is being experiment
Ice island
63
contains the brittle materials that make it ngid It is composed of the crust and the upper mantle, whose molten peridotite composition allows it to resist flow.
Lithosphere
64
A __ resembles an inverted cereal bowl
dome
65
the less dense continental plate rises above, the denser continental plate, creating collision mountain beita in the process.
Continent - continent convergence
66
It IS DIVIDED INTO TWO DISTINCT SUBSPHERES : LITHOSPHERE & asthenosphere
Continental drift
67
This is the plate boundary where seafloor expansion occurs.
Divergent boundary
68
synclines do not form __
valleys
69
Gravitational force of fracture of one's plate
Joint
70
This is a theory proposed by John Tuzo Wilson, who tried to correlate plate movement with the Earth's timeline.
The wilson cycle
71
Kapag active yung subduction tinatawag itong
Subduction zone
72
New ocean basin and new oceanic crust are created.
Ocean basin and crust development
73
__ arise due to shear stress- forces moving past one another
Strike-slip faults
74
one arching downward is a ___ .
syncline
75
Which are the oldest rocks?
at the far left and far right of the Mid-Atlantic Ridge
76
Also known as gravitational sliding, it is a proposed driving force that occurs at mid-ocean ridges as the result of the lithosphere sliding down the asthenosphere
Ridge push
77
is the layer that contains all the liquid and semi-liquid rocks, which can be found in the mantie
Asthenosphere
78
are plates that dirft away from a common point.
Divergent plates
79
__ (perfectly shaped) are rare in nature.
Cylindrical anticlines
80
Fracture meeting at certain point
Reverse fault