slide1 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
GEOL 108 - Crises of a Planet Lab 4 - Volcanic Hazards and Igneous Rocks PowerPoint Presentation
Download Presentation
GEOL 108 - Crises of a Planet Lab 4 - Volcanic Hazards and Igneous Rocks

Loading in 2 Seconds...

play fullscreen
1 / 11

GEOL 108 - Crises of a Planet Lab 4 - Volcanic Hazards and Igneous Rocks - PowerPoint PPT Presentation


  • 121 Views
  • Uploaded on

GEOL 108 - Crises of a Planet Lab 4 - Volcanic Hazards and Igneous Rocks. Sept. 23 - 28, 2012. Department of Earth Sciences. QUIZ 2 REVIEW.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'GEOL 108 - Crises of a Planet Lab 4 - Volcanic Hazards and Igneous Rocks' - vadin


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide1

GEOL 108 - Crises of a PlanetLab 4 - Volcanic Hazards and Igneous Rocks

  • Sept. 23- 28, 2012

Department of Earth Sciences

slide2

QUIZ 2 REVIEW

Part 1: The January 2010 Haiti earthquake was one of the most destructive in recent history. It measured 7.0 in magnitude. Use the seismogram and travel-time graph to fill in the following chart.

REVIEW | 2

Department of Earth Sciences

slide3

QUIZ 1 REVIEW

  • Part 3: What geologic condition in Oregon and Washington indicates the possibility of a Sumatra-like tsunami hitting this coast? How is this related to the mountains and volcanoes onshore called the Cascade Range? (2 points)

http://www.tulane.edu/~sanelson/geol204/eqhazards&risks.htm

REVIEW | 3

Department of Earth Sciences

slide4

LAB 4 - VOLCANIC HAZARDS AND IGNEOUS ROCKS

  • Assess volcanic hazards in different settings
  • Read topographic maps
  • Recognize some igneous rocks and where they form

VOLCANIC HAZARDS | 4

Department of Earth Sciences

slide5

TOPOGRAPHIC MAPS

Scale: 1:250 000

Contour interval

200 ft

Sandstone in Canyonlands, Utah

  • VOLCANIC HAZARDS | 5

Department of Earth Sciences

slide6

TOPOGRAPHIC MAPS

Scale: 1:24 000

Contour interval 10 ft

  • VOLCANIC HAZARDS | 6

Department of Earth Sciences

slide7

TOPOGRAPHIC MAPS

  • Topographic contour lines are lines of constant elevation
  • Hachured lines indicate depressions
  • Pay attention to contour interval
  • Relief = elevation difference
  • VOLCANIC HAZARDS | 7

Department of Earth Sciences

slide8

VOLCANIC HAZARDS

  • Lahars, lava flows, pyroclastic flows, earthquakes, tephra/ash, landslides

Lahar after Pinatubo eruption

http://pubs.usgs.gov/fs/1997/fs114-97/resources/BuriedHouse.jpg

  • VOLCANIC HAZARDS | 8

Department of Earth Sciences

slide9

VOLCANIC HAZARDS

2010 Iceland eruption

www.boston.com http://www.marketoracle.co.uk/Article18692.html

  • VOLCANIC HAZARDS | 9

Department of Earth Sciences

slide10

VOLCANIC HAZARDS

  • VOLCANIC HAZARDS | 10

Department of Earth Sciences

slide11

VOLCANO TYPES AND ROCKS

  • Stratovolcano, shield volcano, plug dome, cinder cone

Plug dome

http://en.wikipedia.org/wiki/File:Volc%C3%A1n_Chait%C3%A9n-Sam_Beebe-Ecotrust.jpg

  • VOLCANIC HAZARDS | 11

Department of Earth Sciences