Geology powerpoint
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Erika Ramos collected different types of rocks from various locations in California for a geology lab assignment. She found igneous rocks with a granite texture in three rivers. Sedimentary rocks showed signs of change and splitting, and felt layered. Metamorphic rocks had a granite-like texture but felt smoother. Ramos located a fault in Mineral Springs near Coalinga, which is part of the San Andreas Fault. She observed chemical and mechanical weathering in different areas and saw mass wasting and erosion events caused by water and wind. Ramos found marine and transitional sedimentary environments in Pismo Beach and three rivers respectively.
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The document summarizes the geology of the San Joaquin River in California. It flows from the Sierra Nevada mountains through the flat Central Valley. Over geologic time, erosion of granite in the mountains has deposited large amounts of sediment in the valley, gradually filling it in. This has created very productive agricultural land in one of the most fertile regions in the world.
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The document summarizes the geology of the San Joaquin River in California. It flows from the Sierra Nevada mountains through the flat Central Valley. Over geologic time, erosion of granite in the mountains has deposited large amounts of sediment in the valley, gradually filling it in. This has created very productive agricultural land in one of the most fertile regions in the world.
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The document summarizes David Pilcher's field work collecting different rock samples in California to fulfill a geology assignment. It describes him traveling to San Luis Obispo County to study the San Andreas Fault and collect metamorphic rocks. It then details his finding sedimentary rocks on the central California coast influenced by the ocean. Finally, it discusses collecting igneous granite samples from the Sierra Nevada Mountains, formed from volcanic activity due to tectonic plate movement.
Field lab part one
The document summarizes three different types of rocks found by the author. For the first rock, it is identified as shale, a sedimentary rock found in a river. Sedimentary rocks form from compaction and cementation of sediments. The second set of rocks are metamorphic rocks, which form from the alteration of sedimentary and igneous rocks under heat, pressure and fluids. The final rocks discussed are igneous rocks, which make up 95% of the earth's crust and form from the cooling of magma or lava. They were found in Yosemite National Park.
Part1 geology2of2
There are two types of igneous rocks: intrusive and extrusive. Intrusive igneous rocks form below ground and extrusive rocks form above ground from lava. The document examines samples of rhyolite, andesite, and norite igneous rocks. Sedimentary rocks form from weathered rock and sediment deposited in layers. Conglomerate is identified as a sedimentary rock sample. Metamorphic rocks form from changes to existing rocks through heat, pressure, or stress. Schist is identified as a metamorphic rock in the sample.
Rocks
This document discusses and provides examples of different types of rocks found in California, including metamorphic, igneous, and sedimentary rocks. It describes finding white marble in Los Gatos Creek, serpentine in the hills of Parkfield, sandstone formations in Coalinga, a conglomerate rock with bone particles near Coalinga's oil fields, and granite and pegmatite on the shore of Kaweah Lake in Visalia. The document also provides some geological context and background about the locations.
Fieldassignment
The document describes the student's field trip to Morro Bay in California. They found various rocks during their exploration, including igneous rocks like dacite which forms Morro Rock, sedimentary rocks like marble, and metamorphic rocks like granite. They also observed different geological features and processes along the shoreline such as faults, weathering, erosion, and more. The student documented their findings through pictures and descriptions to complete their field project.
Lab field assignment
This study examines Virginia Lake in Reno, NV and its surrounding environment. The report focuses on the lake's formation during the Great Depression, the evolution of plant and animal life around the lake, and different types of geological formations found in the area. Samples were taken of sedimentary, igneous, and metamorphic rocks near the lake. However, the study did not find any evidence of unconformities or examples of Steno's Law of Superposition due to the lake's recent construction.
The san joaquin fault
The document summarizes a field/lab assignment completed by Jose Berber where they collected and analyzed different rock samples near Highway 5 in California. Jose describes the geological features of the area including the San Joaquin fault line and analyzes the different rocks collected, identifying some as igneous, sedimentary, and metamorphic based on their crystalline structures and how they were formed. Jose also describes various weathering and erosion events observed in the area and provides examples of human geological uses like a skate park and power plant built atop the local geology.
Geology of Lake Tahoe Basin - 2015
The Lake Tahoe Basin was formed 2-3 million years ago by geological faulting that uplifted the Carson Range and Sierra Nevada mountains on either side and dropped the land between them to form the basin. Faults beneath the lake are potential earthquake risks. The area was under a shallow sea 400 million years ago, and over 130 million years sedimentary rocks like mudstone, sandstone and limestone formed and were uplifted, forming metamorphic rocks. Today the basin contains forests and meadows home to birds, chipmunks and wildflowers. Glacial features like moraines formed lakes such as Fallen Leaf Lake.
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Geology powerpoint
- 1. Lab Assignment Geology 1 By Erika Ramos December 2, 2010
- 2. Igneous Rocks I found igneous rocks in three rivers. As I was collecting rocks I mainly found igneous rocks. It was very simple to identify igneous rock due to the granite texture they have. The granite rocks feel rough and sandy.
- 4. Sedimentary Rocks It is known that sedimentary rocks “change form”. I located the sedimentary rocks in three rivers. I found the sedimentary rocks near the water. When I found the rocks the first thing I noticed was the change the rocks were making. One rocks impressed me the most as I observed it was splitting in lines. Sedimentary rocks feel like many layers.
- 5. Metamorphic Rocks The Metamorphic rocks I found are really dark, similar to the granite texture of igneous rocks. Although the metamorphic rocks feels smother. I located the metamorphic rocks in three rivers. Metamorphic rocks can be tricky since the texture is composed of granite.
- 6. Mineral Spring’s Fault The fault that I located is in Mineral Spring’s it is close to Coalinga California. As I researched to find a fault I came across the one in Mineral Springs. The fault that I found is known to be part of the San Andres Fault. I was able to observe there is a huge whole.
- 8. Weathering Process Chemical weathering involves the transformation of rock into one or more new compounds. I was able to locate chemical weathering in Mineral Springs and in Cayucos Beach California
- 9. Weathering Process Mechanical Weathering is accomplished by physical forces that break rocks mineral composition. I was able to find mechanical weathering in Cayucos Beach California.
- 10. Mass Wasting Mass wasting is the transfer of rock and soil downslope Under the influence of gravity. I found mass wasting in Mineral Springs. When I observed mass wasting I can hear all the rocks falling. I was scared that the mountain was going to fall on me.
- 11. Erosion Events Erosion Events is the physical removal of material by mobile agents such as water, wind, or ice. I found erosion event taken by wind in Cayucos Beach California. It was really interesting to see erosion events taken away by water in Pismo Beach California. Erosion that is taken away by water looks green, brown and muddy.
- 12. Sedimentary Environment Sedimentary environment are commonly placed into one of three categories: continental, marine, or transitional. I located marine environment in Pismo Beach California. For transitional environment I went to a lake going by three rivers. It was such an amazing and peaceful place.
- 13. When I visited three rivers I seen a rock that looked amazing but rare. The rock was cut into three pieces.