Amanda stone field assignment

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Very unfinished product but I want to see if I'm on the right track.

Transcript of Amanda stone field assignment

  • 1. Geology 3Field assignment
    A Journey Through the Magnificent Sequoias
    By: Amanda Stone
    *Photos of Sequoia National Park are from personal album

2. The Sierra Nevada MountainsView from atop Moro Rock
Geography of the Sierra mountains
Present day
3. The Sierra Nevada MountainsView from atop Moro Rock
How has it changed?
The uplift of the Sierra Nevada Mountains began relatively recently about 10 million years ago (NPS: http://www.nps.gov/seki/naturescience/geology_overview.htm)
Made up mostly of granitic (red) and metamorphic rock (blue), the Sierra Nevada formed mostly during the Mezozoic/Paleozoic, placing its origins around 500 to 65 million years old (Note 17, 2002)
150 million years ago the Nevadan mountains were the Western coast of the US and the seas only extended to the Eastern edges of the Central Valley (snobear.colorado.edu). This makes it easy to understand how sediment rich the valley is (or was).
4. The Giant SequoiasSequoiadendrongiganteum
Present day
These beautiful giants are between 1800 and 2700 years old and grow up to 26 stories tall (http://www.nps.gov/seki/naturescience/bigtrees.htm)
5. The Giant SequoiasSequoiadendrongiganteum
How has it changed?
Gymnosperms, like the sequoias, were present during the Jurassic and Cretaceous (Levin, 2006)
How seeds evolve
6. Mule Deer
Present day
How many mule deer live in the park today?
Habits, appearance
Their impact on the environment
7. Mule Deer
How has it changed?
Evolution of deer
Relationship to syndyoceras
8. Huge Granite BatholithsView from in TokopahCanyon
Present day
About 210 mya the Nevadan Orogeny uplifted the ancient mountains generated enormous amounts of magma which formed these granite batholiths (Levin, 2006)
The forces pushing out these granitic rocks continued until about 90 million years ago. (snobear.colorado.edu)
Impact of glaciation on modern appearance (NPS)
9. Huge Granite BatholithsView from in TokopahCanyon
How has it changed?
About 210 mya the Nevadan Orogeny uplifted the ancient mountains generated enormous amounts of magma which formed these granite batholiths (igneous rock) (Levin, 2006)
The forces pushing out these granitic rocks continued until about 90 million years ago. (snobear.colorado.edu)
10. Present day
How many visitors to the park each day
Human impact on the park
Humans
11. How has it changed?
Human evolution
What tribes existed long ago?
How did humans get to this area?
Humans
12. References
Levin, H. (2006). The Earth Through Time. Hoboken, NJ: John Wiley & Sons.
Note 17. (2002, April). Generalized Geologic Map of California. Retrieved May 18, 2011, from California Department of Conservation Web site: http://www.consrv.ca.gov/cgs/
Information/publications/cgs_notes/note_17/
note_17.pdf