Recommended
More Related Content
Similar to Geology Lab Assignment
Similar to Geology Lab Assignment (20)
Recently uploaded
Recently uploaded (20)
Geology Lab Assignment
- 1. Lake Tahoe Geology Audrey Kolkana History Of Earth And It’s Life Spring 2016
- 2. Things I observed in the field • Evidence of Glaciation • Greenleaf Manzanita • Lupinus Types of Rocks I observed • Slate • Granite • Sandstone
- 3. Evidence of Glaciation Audrey Kolkana Lakes formed by glaciers • Cascade Lake and Fallen Leaf Lake were both carved by glaciers • Glaciers then melted and filled in Lake Tahoe and the surrounding alpine lakes • Glaciers also formed the ridge that is used as the road to Emerald Bay.
- 4. Greenleaf Manzanita Greenleaf Manzanita is the most popular kind of Manzanita bush found in the Sierra Nevadas. It is found in high elevation, low elevation and adapts to drought conditions. Granite Lake, West Shore
- 5. Lupines • Grows all over western North America • Comes in all different colors • 165 different species • Adapts to drought conditions South Shore
- 6. Slate• Metamorphic rock • Formed by clay sediment • Also made with tectonic plate pressure and activity • Usually, black, grey, or reddish brown Metamorphic Slate Glen Alpine Falls, Fallen Leaf Lake Angular unconformity
- 7. Granite • Granite boulders are found throughout the Lake Tahoe Basin. • Granite is easily identified due to its coarseness and its speckled look. • It is an igneous rock Party Rock, South Shore Eagle Lake, West Shore Desolation Wilderness, West Shore
- 8. Sandstone North Zephyr Cove, East Shore • Made of sand, minerals and rock • Feels coarse to touch • Found near water source • Can be rubbed off with finger when identifying
- 9. Principle of Horizontality Fallen Leaf Lake, West Shore
- 10. References McMillian W. & Keller I., THE IDENTIFICATION OF COMMON ROCKS (1987) Retrieved from http://www.empr.gov.bc.ca/Mining/Geoscience/EducationalResources/Document s/IC1987-5-idrocks.pdf Peck, D. The Rock Identification Key (2001) Retrieved from http://www.minsocam.org/msa/collectors_corner/id/rock_key.htm Plant Database (2015) http://plants.usda.gov/core/profile?symbol=lupin Monroe, J. The Changing Earth (2015) Chapter 17 All photos used were taken by Audrey Kolkana