Annotated Bibliography

Annotated Bibliography - Megan Carter GEO 121 Physical...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Megan Carter GEO 121 – Physical Geography Dr. Henry April 28, 2010 The Physical Geography of Mt. Hood I have been to Mt. Hood twice in my lifetime and seen it from afar dozens of times, which is why I was interested in finding a beautiful photo. I picked the particular photo of Mt. Hood because it was taken from a spot in Portland, OR my sister had taken me to a few times and it brought back so many memories. I loved standing in the tall trees high above my mother’s reach and looking across the city to Mt. Hood in the distance. The picture itself is definitely aesthetically appealing, with the changing colors of the leaves, the clouds not quite reaching the summit of the mountain, the snow covering the top of the mountain, and the blue sky to top it all off. I had rather personal impressions of Mt. Hood from camping at Lost Lake and living in Portland for a summer, but the very first time I saw Mt. Hood I didn’t think much of it. It just seemed like a big mountain in the distance. It was pretty to look at the first time I was in Portland, but I have been there once a year since I was about ten years old, so I kind of ignore it. It just seems like a nice view and an excuse to charge more for a high-rise condo with a view. The most obvious part of Mt. Hood is the lithosphere. Mt. Hood is a quaternary stratovolcano, of the Cascade Mountains, that is about 11, 239 feet tall. (Topinka, 2008) When the Cascades began forming approximately 37 million years ago it was the force of the Juan de Fuca plate forming a convergent plate boundary, known as the the Cascadia Subduction Zone, with the North American plate that cause the mountains to rise to such great heights. (Figge & Townsend, 2002) Most of the volcano consists of andesite, an extrusive igneous rock, which
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
makes sense due to the lava that has been excreted through volcanic eruptions throughout the past 15,000 years. (Topinka, 2008) Mt. Hood has a history of forming lava domes, which then burst and become dangerous pyroclastic flows. Few of these flows have reached past 8 miles but
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/31/2011 for the course GEO 121 taught by Professor Medley during the Spring '08 term at Miami University.

Page1 / 6

Annotated Bibliography - Megan Carter GEO 121 Physical...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online