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Fallen Leaf Lake in California was most likely formed by two glaciers that traveled toward Glen Alpine Creek. Power Line Trail in South Lake Tahoe runs through El Dorado National Forest and was established in 1973. Carpenter ants are common black, red, or yellow ants found around homes that do not eat wood but feed on plant juices, small insects and fruits. They are inactive in winter but can be active if nests are in heated areas of buildings.
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Yellowstone National Park was once home to dinosaurs and a rainforest. It was first discovered by travelers and hunters and established as a national park in 1872. The park is known for its geothermal features like Old Faithful geyser, which erupts around every 65 minutes, as well as its diverse wildlife such as bears, wolves, and moose. Major fires in 1988 destroyed much of the park's forests.
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Similar to Presentation1 2019
Field assignment the scoop in lake tahoe
The Lake Tahoe basin was formed 2-3 million years ago by geologic block faulting which caused chunks of land to drop down and form a basin. This basin eventually filled with water from snow, rain and streams to form the ancestral Lake Tahoe. Modern Lake Tahoe was then shaped by glaciers during the ice age. The primary rock found in the basin is granite, an igneous rock formed from cooled magma. Animals commonly seen around Lake Tahoe include bald eagles, raccoons, and the flowering Shasta daisy is a prominent plant.
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This document contains a collection of summaries about various geological topics and locations, including:
1) A photo of llamas in South Lake Tahoe with background information on llamas.
2) An image of lava flowing over a road in Hawaii from the Kilauea volcano with details on the volcano.
3) A description of the path from Vikingsholm to Eagle Falls in South Lake Tahoe, including the lost ecosystem of wolverines and the geologic history of the region.
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The document summarizes key geographic features observed during a field trip, including:
Cinder Hill, a cinder cone volcano formed from lava blobs; Fossil Falls, with basalt rocks carved by glacial flows; Mormon Rocks, a sedimentary formation showing layers from past rainfall; and Mono Lake, which contains tufa formations and has higher salinity due to water diversion. The field trip observed evidence of human habitation like obsidian flakes, petroglyphes, and the Manzanar internment camp.
Geology laketahoe&surroundingareas
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Geology laketahoe&surroundingareas1
The document summarizes geological and biological features of the Lake Tahoe Basin. It describes how the basin was formed by faulting around 2-3 million years ago, uplifting the Carson Range and Sierra Nevada mountains on either side. During ice ages, glaciers carved out the landscape, leaving behind U-shaped valleys. The basin is now home to various plant and animal species, including Jeffrey pine trees, manzanita shrubs, mallard ducks, and black bears. Specific sites mentioned include Cave Rock and its surrounding granite formations.
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Mark Herron completed a field assignment around South Lake Tahoe, California, where he photographed and researched various rocks, plants, animals, and geological features. Some of his key findings included identifying obsidian and slate rocks, photographing local wildlife like quail and marmots, and documenting the formation and features of lakes in the area like Lake Tahoe and Fallen Leaf Lake. He also discussed restoring a meadow ecosystem through a forest service project. The document included over 20 photos and captions taken by Herron to illustrate the natural features of the area.
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This geology lab assignment examines the geology around Lake Tahoe Community College. The student explored areas around Lake Tahoe like Fallen Leaf Lake, sand pits in South Lake, Twin Peaks, and Topaz Lake in Nevada. Through these observations and additional research, the student found that fault movements and volcanism created the basin and surrounding Sierra Nevada mountains. The assignment involved identifying local rocks, fossils, and lizards. Key findings included evidence of the law of superposition in rock layers and an angular unconformity.
Field assignment Lake Tahoe
The document discusses geological changes that have occurred around Lake Tahoe over time. It notes that the Lake Tahoe basin was formed 3-5 million years ago by rising mountains on both sides, and the lake took shape from faulting, volcanic activity, and glaciation. Lava flows formed dams that allowed rivers and streams to fill the basin. The document also provides details on the present features of Lake Tahoe such as its depth and location along the California-Nevada border.
Gel 103Lab Field Assignment
South Lake Tahoe was formed by tectonic plate shifts that created the Carson Range and Sierra Nevada mountains. It was first inhabited by Native American tribes and later explored by Europeans during the Gold Rush. Today, South Lake Tahoe attracts over 1 million visitors annually and has a population of around 21,000 residents. The area is characterized by igneous and metamorphic rock formations as well as pine, manzanita, and brown bear species that have evolved over millions of years.
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The document summarizes field assignments completed by Robert Garcia for a geology course on the Bay Area and San Jose. Garcia visited Almaden Quicksilver County Park and Alum Rock Park to observe local geology. At Almaden, he saw cinnabar ore deposits from former mercury mines and learned about the area's mining history. He also observed granodiorite, basalt, and Coast Range fence lizards. At Alum Rock Park, he saw more granodiorite and California poppies, and saw tadpoles in a stream. The document discusses the geological formation of the Bay Area and evolution of local plant and animal species over time.
Lab
Fallen Leaf Lake is a mountain lake located near Lake Tahoe in El Dorado County, California. It was formed by glaciers that traveled northward during the last ice age, carving out the lake's oval shape. If the glacier had continued north it would be part of Lake Tahoe. The lake has one main tributary, Glen Alpine Creek, which provides more water in the spring from snowmelt. Various coniferous trees like incense cedar grow around the lake. Wildlife such as bobcats and the native Lahontan cutthroat trout also live in the area. However, the trout population has been negatively impacted by the introduction of non-native species.
Field assignment - Bassi Falls
Tracie Butler completed a field assignment documenting Bassi Falls located in El Dorado National Forest, California. The 3-page report includes details about the geographic and geologic history of the area, types of rocks, wildlife, flora, and trees observed. It also provides photos taken by Butler during visits to document features. The report cites references used to identify plants and animals seen at Bassi Falls.
Fallen Leaf lake presentation
This document provides information about Fallen Leaf Lake in a geology report. It summarizes the geological formation of the lake, noting that it was formed by glacial moraines. It describes some of the local plant and animal life, including manzanita plants, Jeffrey pine trees, Lahontan cutthroat trout, and dark-eyed juncos. It also mentions the various rock formations found in the area, such as granite, basalt, and phyllite. Finally, it provides some brief facts about Fallen Leaf Lake, such as its dimensions and historical winter snowfall amounts.
Geology Field Assignment
The document contains information about animals and geology observed around Lake Tahoe, including:
- Photos of a black bear taken near the author's house and a golden-mantled ground squirrel at Fallen Leaf Lake, including details about their biology.
- Images and descriptions of granitic outcrops at Kingsbury Grade and Twin Peaks formed from the Sierra Nevada batholith during the Mesozoic era.
- A photo of metamorphosed sandstone at Eagle Falls that was originally marine sediment subducted and uplifted 210 million years ago.
- An example of an angular unconformity observed on Kingsbury Grade where sedimentary layers are tilted diagonally.
Tahoe basin
The Lake Tahoe Basin formed over millions of years through the movement of tectonic plates and glacial activity. Approximately 670 million years ago, the area was a shallow sea. As the plates collided and pushed against each other over 130 million years, lava plumes rose and granite formed. Around 10 million years ago, faults caused the Sierra Nevada to rise, creating the valley where Lake Tahoe now sits. The last ice age, ending 10,000 years ago, shaped features like Emerald Bay through glacial activity. Today, the area is surrounded by granite peaks and contains diverse plant and animal life.
Gel 103
The Lake Tahoe Basin was formed 2-3 million years ago by geologic faulting and was shaped by glaciers during the Ice Age. The basin contains Lake Tahoe and is characterized by igneous rocks like granite and volcanic features from activity millions of years ago. Today, the lake and surrounding area provide habitat for diverse plant and animal life like crayfish, ducks, pine trees, and water lilies.
Glen Alpine to Grass Lake
This 5.45 mile hike begins at Glen Alpine Trailhead and follows an old road to Glen Alpine Springs Resort before reaching Grass Lake. The hike goes around the southern shore of the lake with views of the mountains and a cascade on the west side of the lake. Desolation Wilderness was formed through glaciation that carved out basins holding nearly 130 lakes. Along the way, hikers can see granite rock formations, sandstone, California corn lilies, and Sierra garter snakes.
Frank's Field Assignment
The document discusses various rocks, geological formations, and wildlife found near the Yuba River in the Tahoe National Forest. Samples of quartzite, basalt, and granite rocks were collected and identified based on their characteristics. An angular unconformity sample showed tilted igneous rock overlaid by sedimentary deposits. An inclusion sample showed an older lighter rock within a darker surrounding rock. Other observations included a blackberry bush, signs of brown bears, and details about the formation of the Yuba River over millions of years.
Geology 103 presentation
The document summarizes the geology of the Lake Tahoe Basin. It describes how the basin was formed by shifts in three major faults, as well as volcanic activity and ice ages. It then discusses some of the local flora and fauna, including snow flowers that grow on conifers and Stellar Jays that can be found scavenging in the forest. Finally, it outlines the different types of rocks found in the area, such as granite formed from heat and pressure, metamorphic rock derived from sedimentary rock, and basalt rock from cooled lava.
Glen alpine to grass lake
This hike begins at the Glen Alpine Trailhead and follows a 5.45 mile trail to Grass Lake in Desolation Wilderness. Along the way hikers pass Glen Alpine Falls, beautiful granite formations, and get views of Susie Lake Falls. The geology of the area was shaped by subduction that occurred millions of years ago which formed the granite rock and extensive glaciation during the last ice age. Points of interest include Soda Spring, rock samples of granite and sandstone, and native plants and animals like the California Corn Lily and Sierra Garter Snake.
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With the increasing urban population in Kenya, which is estimated to be growing at a rate higher than that of the country’s general population, waste generation and management is already a major challenge. The industrialization and urbanization process in the country, dominated by one major city – Nairobi, which has around four times the population of the next largest urban centre (Mombasa) – has witnessed an exponential increase in the generation of solid waste. It is projected that by 2030, about 50 per cent of the Kenyan population will be urban.
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Build new environmentally sound infrastructure and systems for safe disposal of residual waste and replacing current dumpsites which should be commissioned.
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The status.
Solid waste generation rate is at 2240 tones / day
collection efficiently is at about 50%.
Actors i.e. city authorities, CBO’s , private firms and self-disposal
Current SWM Situation in Nairobi City:
Solid waste generation – collection – dumping
Good Practices:
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• Open dumpsite dandora dump site through public education on source separation of waste, of which the situation can be reversed.
• Nairobi is one of the C40 cities in this respect , various actors in the solid waste management space have adopted a variety of technologies to reduce short lived climate pollutants including source separation , recycling , marketing of the recycled products.
• Through the network, it should expect to benefit from expertise of the different actors in the network in terms of applicable technologies and practices in reducing the short-lived climate pollutants.
Good practices:
Despite the dismal collection of solid waste in Nairobi city, there are practices and activities of informal actors (CBOs, CBO-SACCOs and yard shop operators) and other formal industrial actors on solid waste collection, recycling and waste reduction.
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Presentation1 2019
- 1. HISTORICAL GEOLOGY BY: TONI WESLEY GEO-103 8/11/2019
- 2. FALLEN LEAF LAKE WATERFALL THE HISTORY Fallen Leaf Lake is located in El Dorado County, California. Glen Alpine Creek is a primary inflow. This beautiful lake was most likely formed from two glaciers that traveled toward the Glen Alpine. Fallen Leaf Lake would resemble Emerald Bay if the glaciers hadn’t stopped.
- 3. POWER LINE TRAIL HISTORY Power Line trail is a trail located in South Lake Tahoe, CA. This trail is used for biking, hikes, and walks and runs through the El Dorado National forest. “In 1973, this most unique area of America's National Forest System was established. The establishment of the LTBMU was not really the creation of a "new" National Forest, but rather a re- organization of National Forest Lands that had already existed in the Tahoe Basin since 1899”.
- 4. CARPENTER ANTS South Lake Tahoe, CA
- 5. DESCRIPTION OF CARPENTER ANTS Carpenter ants are the most common ants people find around their home. These ants are usually black but can be red or yellow. Carpenter ants do not eat wood but rather, plant juices, small insects and fruits. “Approximately 200 to 400 winged ants develop in the summer, remain in the nest through the winter, and leave the nest the following spring or early summer. The ants hibernate (are inactive) during the winter. They will be active, however, if a nest is located in a heated portion of a building”.
- 6. METAMORPHIC GNEISS ROCK • This rock was found outside of my home. • Visible mineral grains • Light and dark colored • Foliation
- 7. VOLCANIC IGNEOUS ANDESITE The mineral grains on this rock are too small to see however we do see evidence of weathering Found in Tahoe on trail toward High Meadow
- 8. EXTRUSIVE IGNEOUS ROCK • Found in Nevada • Fine grained • Volcanic
- 9. PRINCIPLE OF SUPERPOSITION Oldest rocks are at the bottom
- 10. ANGULAR UNCONFORMITY We can see here that these rocks did more than just uplift. I would classify this as uplifting and tilting.
- 11. WORKS CITED Lake Tahoe Basin Mgt Unit, www.fs.usda.gov/ltbmu/. Monroe, James, and Reed Wicander. The Changing Earth Exploring Geology and Evolution. Seventh ed., Cengage Learning. Thoughtco.com, www.thoughtco.com/carpenter-ants- genus-camponotus-1968094. Wikipedia, en.wikipedia.org/wiki/Fallen_Leaf_Lake_(California).