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2. During the last Ice Age the Teton Glacier occupied the valley labeled "Glacier Gulch" on the map. a) Find the ancient terminal moraine for the Teton Glacier, which marks the toe of the glacier in the past. Label this on the map. (HINT: the moraine sediment is commonly more heavily forested). What was the bottom elevation of the glacier? enouoo b) Assuming that the ancient Teton Glacier extended up to the top of the ridge above the modern Teton Glacier, what was the approximate elevation of the top of the glacier? What was the elevation of the equilibrium line? notot bas

2. During the last Ice Age the Teton Glacier occupied the valley labeled "Glacier Gulch" on the map. a) Find the ancient terminal moraine for the Teton Glacier, which marks the toe of the glacier in the past. Label this on the map. (HINT: the moraine sediment is commonly more heavily forested). What was the bottom elevation of the glacier? enouoo b) Assuming that the ancient Teton Glacier extended up to the top of the ridge above the modern Teton Glacier, what was the approximate elevation of the top of the glacier? What was the elevation of the equilibrium line? notot bas

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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**2. Teton Glacier and the Last Ice Age** During the last Ice Age, the Teton Glacier occupied the valley labeled "Glacier Gulch" on the map. a) **Identify the Ancient Terminal Moraine:** - Find the terminal moraine for the Teton Glacier, marking the glacier's past toe. - Label this on the map. - *Hint:* The moraine sediment is typically more heavily forested. - **Question:** What was the bottom elevation of the glacier? b) **Ancient Glacier Extent and Elevation:** - Assuming the ancient Teton Glacier extended to the ridge's top above the modern glacier, estimate the top elevation of the glacier. c) **Equilibrium Line's Elevation:** - Determine the elevation of the equilibrium line.
Transcribed Image Text:**2. Teton Glacier and the Last Ice Age** During the last Ice Age, the Teton Glacier occupied the valley labeled "Glacier Gulch" on the map. a) **Identify the Ancient Terminal Moraine:** - Find the terminal moraine for the Teton Glacier, marking the glacier's past toe. - Label this on the map. - *Hint:* The moraine sediment is typically more heavily forested. - **Question:** What was the bottom elevation of the glacier? b) **Ancient Glacier Extent and Elevation:** - Assuming the ancient Teton Glacier extended to the ridge's top above the modern glacier, estimate the top elevation of the glacier. c) **Equilibrium Line's Elevation:** - Determine the elevation of the equilibrium line.
**Topographic Map of the Grand Teton Area** This image features a topographic map of the Grand Teton area, which includes portions of the USGS Grand Teton and Moose 7.5' quadrangles. It offers a detailed representation of the terrain in this region, highlighting various geographical features and elevation changes. **Key Features:** - **Contour Lines:** The map uses contour lines to indicate elevation changes. In this map, there are two contour intervals; one at 80 feet and another at 20 feet. Areas with closely spaced contour lines represent steep terrain, while widely spaced lines indicate gentler slopes. - **Geographical Features:** - **Grand Teton:** Prominently marked within the map, indicating one of the significant peaks of this region. - **Glacier:** Several glacial areas are labeled, highlighting the presence of these significant ice formations. - **Passes and Peaks:** Various mountain passes and peaks are named, such as Disappointment Peak and South Teton, indicating elevation differences and hiking paths. - **Canyons and Valleys:** Features like Cascade Canyon and several valleys are identified, showing natural formations where the land dips between mountains and hills. - **Scale:** There is a scale bar at the bottom of the map ranging from 0 to 4 kilometers, allowing users to estimate distances accurately. - **Coordinates:** The map provides longitude coordinates ranging from 110°48'W to 110°45'W and latitude coordinates from 43°44'N to 43°46'N for precise location referencing. This topographic map is a valuable resource for educational purposes, aiding in the understanding of geological features and navigation within the Grand Teton area.
Transcribed Image Text:**Topographic Map of the Grand Teton Area** This image features a topographic map of the Grand Teton area, which includes portions of the USGS Grand Teton and Moose 7.5' quadrangles. It offers a detailed representation of the terrain in this region, highlighting various geographical features and elevation changes. **Key Features:** - **Contour Lines:** The map uses contour lines to indicate elevation changes. In this map, there are two contour intervals; one at 80 feet and another at 20 feet. Areas with closely spaced contour lines represent steep terrain, while widely spaced lines indicate gentler slopes. - **Geographical Features:** - **Grand Teton:** Prominently marked within the map, indicating one of the significant peaks of this region. - **Glacier:** Several glacial areas are labeled, highlighting the presence of these significant ice formations. - **Passes and Peaks:** Various mountain passes and peaks are named, such as Disappointment Peak and South Teton, indicating elevation differences and hiking paths. - **Canyons and Valleys:** Features like Cascade Canyon and several valleys are identified, showing natural formations where the land dips between mountains and hills. - **Scale:** There is a scale bar at the bottom of the map ranging from 0 to 4 kilometers, allowing users to estimate distances accurately. - **Coordinates:** The map provides longitude coordinates ranging from 110°48'W to 110°45'W and latitude coordinates from 43°44'N to 43°46'N for precise location referencing. This topographic map is a valuable resource for educational purposes, aiding in the understanding of geological features and navigation within the Grand Teton area.
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