Labfield geology
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The document summarizes Audrey Kolkana's observations during a field trip to Lake Tahoe, including evidence of glaciation, plants like manzanita and lupine, and different types of rocks. Glaciers carved out lakes in the area and deposited granite, slate, and sandstone. Greenleaf manzanita is a bush that survives wildfires and lupine is a flowering plant originally from the Mediterranean. Slate forms from clay sediments under pressure, granite is an igneous rock, and sandstone forms near water from sand and minerals.
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Labfield geology
The document summarizes Audrey Kolkana's field observations around Lake Tahoe, including evidence of glaciation like carved lakes, and plant life like greenleaf manzanita and lupine. Rock types observed are described as slate, granite, and sandstone. Glaciers are noted to have carved lakes, melted, and filled Lake Tahoe. Greenleaf manzanita is a common bush that thrives after fires. Lupine is found across western North America in many colors and adapts to drought. The different rock types are characterized, and an example of an angular unconformity is shown in a photo.
Geology Lab Assignment
The document summarizes Audrey Kolkana's observations from a field trip to Lake Tahoe, including evidence of glaciation like carved lakes, manzanita bushes that adapt to drought, and different types of rocks. Rocks observed included slate, granite, and sandstone. Glaciers formed the lakes and ridges in the area. Greenleaf manzanita is a common bush that grows in high and low elevations. Lupines are flowering plants that come in various colors and adapt to drought. Slate is a metamorphic rock formed by pressure. Granite has a coarse, speckled appearance. Sandstone feels coarse and is found near water.
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Labfield geology
The document summarizes Audrey Kolkana's field observations around Lake Tahoe, including evidence of glaciation like carved lakes, and plant life like greenleaf manzanita and lupine. Rock types observed are described as slate, granite, and sandstone. Glaciers are noted to have carved lakes, melted, and filled Lake Tahoe. Greenleaf manzanita is a common bush that thrives after fires. Lupine is found across western North America in many colors and adapts to drought. The different rock types are characterized, and an example of an angular unconformity is shown in a photo.
Geology Lab Assignment
The document summarizes Audrey Kolkana's observations from a field trip to Lake Tahoe, including evidence of glaciation like carved lakes, manzanita bushes that adapt to drought, and different types of rocks. Rocks observed included slate, granite, and sandstone. Glaciers formed the lakes and ridges in the area. Greenleaf manzanita is a common bush that grows in high and low elevations. Lupines are flowering plants that come in various colors and adapt to drought. Slate is a metamorphic rock formed by pressure. Granite has a coarse, speckled appearance. Sandstone feels coarse and is found near water.
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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.
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Sand & windmill
This document provides information about sand and windmills. It discusses how sand is formed from erosion of rocks, the different types of sand like glass sand and desert sand. It also outlines some common uses of sand in construction, leisure activities, and water filtration. The document then describes various animals and plants that live in sandy environments like deserts. It provides details about desert climates, sand dunes, and sandstorms. Finally, it gives an overview of how windmills work by catching wind with blades to generate electricity.
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This document defines and provides examples of physical features on Earth's surface. Physical features are natural landscapes formed by nature, including landforms like mountains, hills, and plateaus, bodies of water like rivers and oceans, and vegetation types like rainforests and deserts. The document then discusses the different physical features found in Nigeria, such as the Jos and Adamawa Plateaus, Mambilla Plateau, and Rivers Niger and Benue, as well as the tropical rainforests in the southern regions.
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Badlands national park
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2. A metamorphic hornfels rock is described as dark gray to black, hard, and breaking into sharp angular pieces. It formed under heat and pressure near magma or intrusions.
3. A siltstone rock is pale colored with small holes and black dots. It was found near a small lake in Santa Cruz Boardwalk.
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1) The document summarizes the author's observations from hiking trails near Simi Valley, California. The author observed various plants and animals, including black mustard, mallards, squirrels, and lizards. The author also examined and classified various rocks found on the trails.
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- Notable features include Mt. Whitney, the highest point in the contiguous US, and ancient bristlecone pines over 2,000 years old.
- The valley has a variety of animals, plants, and fossils. Rock types include volcanic rock, obsidian, and glacial erratics used for bouldering.
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Mormon Rocks was formed by the folding of rock along the San Andreas Fault between the North American and Pacific tectonic plates. It is composed of cemented sedimentary rock like conglomerate and displays pockmarks on its surfaces caused by thermal expansion and erosion. The North Etiwanda Preserve protects rare Riversidian sage scrub habitat and endangered species. It was impacted by a 2003 wildfire but the vegetation has resiliently recovered, though ongoing threats from pollution and development loom.
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- Plains and flat lands have no high mountains, instead featuring flat land, fields, straight roads, valleys and rivers.
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Presentation made to help my students think through answers to the information posted by second grade students on http://jss-landforms-2ndgrade.wikispaces.com/
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This document summarizes information about the town of Three Rivers, California and samples of different rock types. It provides background on Three Rivers, located in the Sierra Nevada foothills, and its history. It then describes the three main types of rocks - igneous, metamorphic, and sedimentary - including their formation processes and examples. Samples are then analyzed and identified as granite, marble, sandstone, limestone, and shale based on their compositions and characteristics.
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The document summarizes Kate Albrecht's 2012 geology field assignment to the south shore of Lake Tahoe. It describes the geologic history of how the Lake Tahoe basin was formed by faulting over millions of years. It discusses specific locations like Cave Rock, an eroded former volcano, and the Upper Truckee River. It also examines rock samples like granite and clay found in the area. Finally, it profiles plants and animals that inhabit the region, including manzanita bushes, American robins, Steller's jays, and their biological classifications.
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Travis Maynard collected rock samples from Pismo Beach, CA and Coalinga, CA for a field assignment. Pismo Beach is a coastal town with a variety of sedimentary rocks due to water erosion. Coalinga is located in the central valley between Los Angeles and San Francisco, and was once under sea level, so there are coastal rocks and fossils. The majority of samples came from around Coalinga and Los Gatos Canyon 13 miles outside of Coalinga. The document identifies and classifies different igneous, metamorphic and sedimentary rocks in the samples.
Fieldlab1
Travis Maynard collected rock samples from Pismo Beach, CA and Coalinga, CA for a field assignment. Pismo Beach is a coastal town with a variety of sedimentary rocks due to water erosion. Many of Travis' samples came from locations around Coalinga and Los Gatos Canyon, which were once under sea level. The samples included igneous, metamorphic and sedimentary rocks that Travis analyzed and identified.
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.
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Blake Murphy observed the geology around Secret Beach in Lake Tahoe. Lake Tahoe formed over millions of years as the Sierra Nevada mountains uplifted. Glaciers eroded the granite and other igneous and metamorphic rocks that make up the mountains and basin. Sedimentary rocks like sandstone also formed around the lake. Today, human impacts are decreasing water quality and clarity in Lake Tahoe as well as reducing habitats for black bears and other wildlife.
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This document provides a summary of a field trip report to Bassi Falls in El Dorado County, California. It includes details about the geographic location and geologic history of the area. The report describes the rock types, wildlife, flora, and tree species observed at Bassi Falls. Photos are included to illustrate the granite formations, quartzite intrusion, pine trees, meadowsweet flowers, and nest of a Steller's Jay observed on the trip. References used in identifying the various rocks, plants, and animals are also listed.
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The American River flows 120 miles from the Sierra Nevada Mountains to the Sacramento River. It is fed by snowmelt from the Sierra Nevada and tributaries like the North, Middle, and South Forks. The discovery of gold in the river at Coloma led to the California Gold Rush. Rocks along the river include granite, conglomerates, sandstones, claystones, and lahars. The Sierra Nevada Range reaches over 14,500 feet in elevation and contains Lake Tahoe, Mount Whitney, and Yosemite Valley. Glaciers carved the range's canyons millions of years ago. Beavers live along the American River and are known for building dams. California wildrose, a deciduous shrub
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This document provides a summary of John Fors's field assignment to the Middle Fork of the American River canyon near Auburn, California. It includes background on the methodology, brief geological history of the Sierra Nevada mountain range, description of the geology of the river canyon which has been carved out over millions of years. It also discusses gold deposits in the area, provides examples of rock and plant samples collected with identification and descriptions, and notes some of the geological features and plant life observed.
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一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
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如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
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Labfield geology
- 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 Arctostaphylos patula • Related to mycorrhizal fungi • Evolved from diploid hybridization • Manzanita has evolved through time by adapting to different soil types. • Grown into more of a bush than a shrub over time • Survives wildfire and resprouts from the heat • 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. • Needs to be visited by a insect to pollinate. • Thrives after fires because heat actually sends the seeds into germination Granite Lake, West Shore (USDA.GOV) (SFSU.EDU)
- 5. Lupinus perennis or Lupine • Evolved from genera • Originally from the Old World Mediterrian Region • Evolved over 10 million years by adapting to different surroundings and environments. • New DNA sequences show the connected relationship with the Western New World species and Old World species • From the pea family • Can self pollinate and cross pollinate • Comes in all different colors • 165 different species • Adapts to drought conditions South Shore (www.fs.fed.us) (Lupins.org)
- 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* *Example of an angular unconformity because you can see an erosional surface tilted on top of younger rock
- 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 (Rock Key)
- 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 Here you see the principle of Horizontality because essentially the sediment was deposited into horizontal layers. Now it has been tilted up and out.
- 10. References McMillian W. & Keller I., THE IDENTIFICATION OF COMMON ROCKS (1987) Retrieved from http://www.empr.gov.bc.ca/Mining/Geoscience/EducationalResources/Documents/IC 1987-5-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 Greenleaf Manzanita (2015) http://www.nrcs.usda.gov/Internet/FSE_PLANTMATERIALS/publications/capmspg58 71.pdf All photos used were taken by Audrey Kolkana