Transcript File

Earth’s
Structure
The theory of
Deforming
Plate Tectonics Earth’s Crust
California
Geology
MISC,
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What is the outermost layer of
Earth called?
Lithosphere
The LIQUID layer of Earth’s
core
Outer Core
Where does sea-floor
spreading take place?
Mid-Ocean
Ridges
Which of these did NOT
provide evidence for
continental drift?
A) magnetic reversal
B) the fossil record
c) Sea-floor spreading
d) Oceanic Plate Theory
Oceanic
Plate
Theory!
According to the theory of
continental drift, there was
once a single, huge landmass
called _______________
Pangaea
____________ is the area
where two tectonic plates
meet
A boundary
What type of
boundary is formed
when plates slide
past each other?
Transform
What type of
boundary is formed
when plates
separate?
Divergent
What type of boundary is
formed when plates collide?
Convergent
Pieces of lithosphere that
move around on top of the
asthenosphere are called
___________________
Tectonic
Plates
What type of fault usually
occurs because of TENSION?
Normal
Fault
What type of fault usually
occurs because of
COMPRESSION?
Reverse
Fault
In a reverse fault, where does
the hanging wall move
relative to the footwall?
upward
Mountains formed by magma
that reaches Earth’s surface
are _________________
Volcanic
Mountains
Two ways in which rock can
deform are:
Bending
and
Breaking!
How long has California been
an active plate boundary?
225 Million
years
What marks the boundary
between the North American
and Pacific Plates?
The San
Andreas
Fault
(system)
Chunks of lithosphere that are
scraped off of subducting
plates and added to the edge
of a continent are called
____________________
Accreted
terranes
In which direction
does the San
Andreas fault extend
from the CaliforniaMexico border to
Norther California?
Northwest
The Los Angeles basin was
created as a result of
___________
compressio
n
Who developed the theory of
continental drift?
Alfred
Wegener
What type of mountain is
created when tension in
Earth’s crust causes the
crust to break into a number
of normal faults?
Fault block
mountain
Name 2 things Miss Zangwill
can’t live without
Chocolate,
coffee,Iphon
e, sushi,
accessories
…
What are the three major
tectonic plates that influenced
California’s geologic history?
North
American,
Pacific, and
Farralon
Part of what remains of the
Farralon Plate is now referred
to as the _______________
plate.
Juan de
Fuca