2. History
of
South
Lake
Tahoe
• South
Lake
Tahoe
came
into
existence
by
a
normal
fault
in
which
created
the
Carson
Range
to
the
east
and
the
Sierra
Nevada
to
the
west.
• Two
principal
steps
evolved:
1.
The
eastern
margin
created
the
Carson
Range,
2.while
the
Sierra
Nevada
mountains
rose
on
the
west
side.
• Moraines,
which
are
glacial
debris
that
were
leJ
behind
during
the
last
ice
age,
created
the
present-‐day
Truckee
River
at
Tahoe
City.
3. The
first’s
of
Lake
Tahoe
• Two
million
years
ago,
Lake
Tahoe
was
created
by
a
shiJ
in
a
tectonic
plate
and
by
Volcanic
acNvity.
• The
first
visitor's
to
Lake
Tahoe
were
members
of
the
Indian
tribes.
• The
first
recording
of
wriNng
was
done
by
John
C.
Fremont
in
February
1884.
• Lake
Tahoe
was
part
of
the
region
of
gold
rush
4. What
is
Lake
Tahoe
Like
Today?
• One
million
years
ago,
during
the
Cenozoic
Era
glaciers
formed
The
Lake
Tahoe
we
see
today.
• The
Lakes
that
were
created
in
Lake
Tahoe
include:
Emerald
bay,
Cascade
Lake,
Fallen
Leaf
Lake,
and
Echo
Lakes.
• The
Tahoe
basin
was
beginning
to
take
shape.
5. 21st
Century,
Lake
Tahoe
• The
populaNon
of
Lake
Tahoe
is
about
21,286
residents
(2012)
• Lake
Tahoe
is
the
second
deppest
lake
in
The
United
States
• Lake
Tahoe
has
a
populaNon
of
23,000
people
• Lake
Tahoe
is
a
big
tourist
a`racNon
for
people
all
over
the
world.
6. Igneous-Granite
Igneous Grantee is one of the rock that is
most common in South Lake Tahoe.
You can find this rock deep inside the
earth’s crust.
It contains processing crystals that slowly
cools the rock.
7. Igneous Basalt
• This type of rock is thick.
• It is basically fined grained that contains
microscopic crystals.
• This rock is a volcanic type rock
• Surfaced by Water, and can be found by Fallen
Leaf Lake. (Michaelsen, 2012)
8. Metamorphic Rock
• This type of rock, can be found at spooner
summit.
• This is the highest peak in South Lake Tahoe
• Can be found anywhere in South Lake Tahoe
9. • This type of Rock is also common in the
South Lake Tahoe area.
• This type of Rock can be found at Mt.Talc
• Sedimentary Rock can be softer than the
metamorphic rock.
• The sedimentary rock is easier to find in
South Lake Tahoe.
Sedimentary Rock
10. Jeffrey Pine
This type of species of Pine trees i the most common in
South Lake Tahoe.
One of its most common ancestors is the Ponderosa pine.
This species is the dominant species in Lake Tahoe.
The most common place to find this type of tree is at the
top of Heavenly. (MacRae, 2009)
11. The Evolution of Jeffery Pine
This tree first came to the Lake Tahoe area
during the Devonian Period.
Almost, 400 million years ago th.is tree
has evolved over time
Discovery of the Pine was done by a
Scottish explorer in 1852 in Shasta Valley,
CA.(Macrae, 2012)
12. Manzanita Arctostaphylos
There are over 100 species of
Manzanita Arctostaphylos.
The Manzanita Arctostaphylos is
the most common types of species
in Lake Tahoe
They can also be found else where in
North America.
Text
13. Evolution of the
Arctostaphylos
This species came to us during the Mesozoic Era, and
during the Cretaceous Period, about 150 million years ago.
It is believed that the common ancestor of the
Arctostaphylos is gymnosperms, their fossils records are
not that clear so the ancestry is unknown.
This type of species can be found in New Mexico, and
other places out side of the United States.
14. The Brown Bear of
Lake Tahoe
• The South Lake Tahoe Brown Bear is
the most common type of Bear in Lake
Tahoe.
• The South Lake Tahoe Brown Bear can
be found in the forest of Lake Tahoe.
• The Brown Bear is a native to Lake
Tahoe.
• The Bear is about 500 pounds and can
weigh more
15. The Bear Evolution
The Brown Bear has been around for
million of years.
Bears like to Hibernate during the
winter time.
The Bear came on the planet about 200
million years ago.
The Bear, is one of the most hunted
animals on the planet.
16. Reference Page
• 1. Michaelsen, J. (1992, September 22). Sierra Nevada. Retrieved from http://
www.geog.ucsb.edu/~joel/g148_f09/readings/sierra_nevada/sierra_nevada.html
• 2. The Lake Tahoe Basin | Lake Tahoe Vacation Guide. (n.d.). Retrieved from http://
www.tahoevacationguide.com/laketahoe.html
• 3.MacRae , T. C. (2009, March 2). Trees of Lake Tahoe – The Pines | Beetles In The Bush.
Retrieved from http://beetlesinthebush.wordpress.com/2009/03/28/trees-of-lake-tahoe-
the-pines/
• 4. Lake Tahoe Fast Facts. (n.d.). Retrieved from http://www.tahoefund.org/about-tahoe/
recreational-paradise/
• 5. Facts about Lake Tahoe. (n.d.). Retrieved from http://tahoe.usgs.gov/facts.html
17. Referance Page
Continued
• 6.Lake Tahoe Basin Mgt Unit - Home. (n.d.). Retrieved from http://www.fs.usda.gov/
detail/ltbmu/home/?cid=fsm9_046595
