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This lesson introduces students to faulting from the Quaternary Period and the Holocene Epoch in the State of Idaho. They will examine a map showing the distribution of these faults and answer questions concerning groundwater circulation and earthquake potential, and determine which geologic province has the most neotectonically active faults (15,000 years or younger).
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In this activity, students will learn how rock layers are folded and faulted and how to represent these structures in maps and cross sections. They will use playdough to represent layers of rock and make cuts in varying orientations to represent faults and other structures.
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The orientation and sense of slip of faults in an area is largely dependent upon the tectonic forces present in that area. In this exercise learners are shown several idealized fault-block models and asked to interpret the sense of movement along certain fault planes within a given tectonic environment. Clicking on the images provides the correct answers.
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This
site
covers
the
four
main
types
of
faults
(not
including
growth
faults):
the
normal
fault,
reverse
fault,
transcurrent
(strike-slip)
fault,
and
thrust
fault.
Animations
show
the
type
of
movement
for
each
different
type
of
fault.
There
is
a
section
on
the
initial
stage
of
a
landform,
containing
a
diagram
of
a
graben
and
horst
system.
Also
included
are
photographs
of
fault
scarps
along
Hebgen
Lake,
...
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In
this
activity,
students
will
learn
why
and
how
rock
layers
are
folded
and
faulted
and
learn
how
to
represent
the
structures
in
maps
and
cross
sections.
They
will
layer
four
colors
of
playdough
to
represent
a
horizontally
layered
rock
mass
with
the
oldest
layer
on
the
bottom.
By
pushing
on
the
playdough
block
from
two
opposite
sides,
the
students
apply
a
compressive
stress
resulting
in
the
folding
...
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This
visualization
tool
aids
researchers
and
educators
in
understanding
the
tectonic
activity
of
our
planet
for
the
past
1
million
years.
DTAM
is
a
Geographical
Information
System
(GIS)
that
displays
a
realistic
synoptic
view
of
present
global
tectonism
by
filling
in
the
cartographic
gap
between
conventional
geological
maps
and
plate
reconstruction
maps.
This
integrative
technique
provides
a
new
and
...
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Although
the
San
Andreas
Fault
is
the
longest
and
one
of
the
most
active
fault
zones
in
California,
it
is
not
responsible
for
every
earthquake
in
the
state.
This
video
segment
describes
the
geologic
setting
of
the
San
Andreas
fault
and
a
network
of
other
active
faults,
particularly
thrust
faults,
closer
to
Los
Angeles,
and
explains
why
these
may
present
a
greater
danger
to
the
city
than
the
San
Andreas
...
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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The
destructive
force
of
earthquakes
has
stimulated
human
inquiry
since
ancient
times,
yet
the
scientific
study
of
earthquakes
is
a
surprisingly
recent
endeavor.
Instrumental
recordings
of
earthquakes
were
not
made
until
the
second
half
of
the
19th
century,
and
the
primary
mechanism
for
generating
seismic
waves
was
not
identified
until
the
beginning
of
the
20th
century.
From
this
recent
start,
a
...
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A part of the United States Geological Survey Coastal and Marine Geology (USGS CMG) Program, this site has a 72 second video clip taken from video 6 (Plate Dynamics) of the 'Earth Revealed' geocscience series produced by Annenberg/
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This
research
group
at
University
College
Dublin
carries
out
scientific
research
on
all
aspects
of
faults
and
fractures
and
applies
the
results
to
practical
problems,
principally
in
the
fields
of
hydrocarbon
and
minerals
exploration.
The
site
features
a
list
of
research
projects,
abstracts,
and
information
about
fault
analysis
software.
For
teachers
and
students,
there
are
photographs
of
faults
and
...
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