Practical Geology: Set 2

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Contents 1 General Information 2 Cover 3 Information 3.1 How Soils Form and Erode 3.2 Groundwater and Water Wells 3.3 Medical Geology: From Healthful to Harmful 3.4 Lava Flows and Volcanic Landscapes 3.5 Collecting Minerals and Crystals 3.6 Granite: Igneous Rocks that Form at Depth 3.7 Metamorphic Rocks and Tectonic Features 3.8 Got Marble? Non-Foliated Metamorphic Beauty 3.9 Is this Valuable? Gems and Meteorites 3.10 Hunting Gold and Other Valuable Minerals 3.11 Oil Geology, Oil Plays, and Oil Drilling 3.12 Human Landscapes and Practical Geology 4 Screenshots 5 Technical Specs 6 Links 6.1 Release Post 6.2 Related Documentaries 6.3 ed2k Links

[edit] General Information

Nature Documentary hosted by James FP Cotter, published by The Great Courses in 2023 - English narration

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[edit] Information

Taught by Professor James F. P. Cotter of the University of Minnesota, Morris, this course teaches you the fundamentals of field geology. You learn the basics of rocks, minerals, and landforms, and how to apply this knowledge to read an outcrop, find and prepare fossils, assess soil and groundwater, prospect for gems and ore, and much more. "Have you ever picked up a rock and admired its colors, crystals, and texture, and thought, "How did it get this way?" Or have you ever driven by an unusual landform and wondered, "Why is it like that?" These questions have surprisingly deep answers that can encompass a significant fraction of Earth's 4.6-billion-year history. Such revelations come from the science of geology, but you don't have to be a professional geologist to look at a rock or a landscape and read its amazing story. These and a multitude of other observations and insights are presented in fascinating detail in Practical Geology, 24 half-hour lectures that take you from your backyard to geologic sites around the world, through eons of time, and even to another planet. Geologist James F. P. Cotter of the University of Minnesota, Morris, is your instructor. A multi-award-winning teacher, James presents an enlightening guide to elementary geology, expertly conducting you through dozens of on-camera demonstrations, showing off scores of rock samples, and advising you where to go and what to take to make geology an exciting and integral part of your life.

[edit] How Soils Form and Erode

Soil may be the most important geologic resource on the planet. Discover how geologists classify soils, focusing on the concept of soil horizons, which are distinct layers that often vary in composition, color, and texture. Analyze how this cross section, which signals soil fertility, differs depending on the type of biome. Learn how soils form and how easily they are destroyed by erosion.

[edit] Groundwater and Water Wells

Dig into the mystery of groundwater. Apart from sinkholes and caves, there are no underground lakes or rivers. Instead, water fills the voids in porous rocks below a certain depth, called the water table. Discover how wells are dug and why it's a waste of money to hire a dowser, since water is practically everywhere if you dig deep enough. Also, consider the problem of groundwater pollution.

[edit] Medical Geology: From Healthful to Harmful

Stressing that he is not a medical doctor, Professor Cotter delves into the healthful and harmful effects of geologically sourced substances. Some have proven benefits, such as antibacterial properties of salt and copper. Others can be deadly. For example, radon, a gaseous product of radioactive decay, causes lung cancer. Asbestos, a fibrous silicate mineral, is similarly dangerous to breathe.

[edit] Lava Flows and Volcanic Landscapes

Learn what it's like to walk on barely cooled lava from an active volcano—one of many fascinating geologic experiences you can have in volcanic landscapes. Examine the different types of volcanoes and volcanic rocks, and which active sites are safe to explore and which you should avoid. In field geology you should be prepared, so review the special precautions to take when visiting volcanoes.

[edit] Collecting Minerals and Crystals

Rocks are made up of minerals, which give rocks their immense variety. For example, the mineral quartz has the crystalline clarity of ice, while graphite is opaque and slippery, and pyrite has a metallic sheen. Most rocks are a mix of different minerals. Survey the most common types, analyze their chemistry and molecular structure, and learn how to identify them through a series of simple tests.

[edit] Granite: Igneous Rocks that Form at Depth

Having studied igneous rocks that cool quickly, now turn to igneous rocks that cool deep underground over the course of millions of years. Find out how to distinguish granite from diorite, gabbro, and other intrusive igneous rocks. Learn about notable batholiths, such as Yosemite's Half Dome, and look at the abundant uses for granite and similar rocks.

[edit] Metamorphic Rocks and Tectonic Features

Metamorphic rocks form under conditions halfway between those of sedimentary and igneous rocks. A good analogy is the process of glacier formation that turns snow into dense, interlocking crystals of ice. Focus on foliated metamorphic rocks, such as slate and gneiss, which have lineation patterns. Geologists can read these patterns to reconstruct ancient mountain ranges and plate boundaries.

[edit] Got Marble? Non-Foliated Metamorphic Beauty

Turn to non-foliated metamorphic rocks, those without a distinctive mineral orientation. Investigate the different geologic conditions that create such rocks. Then survey a wide selection, spotlighting their beauty (marble), utility (soapstone), durability (quartzite), and economic value (banded iron formations). Professor Cotter discusses a few of his favorite metamorphic sites.

[edit] Is this Valuable? Gems and Meteorites

The most highly prized rocks among non-geologists are gemstones. This episode covers all 12 birthstones, plus other gems, probing the shifting categories of precious and semi-precious gems. You learn how gems form and where to find them. Even more difficult to find are meteorites. Hear tips for identifying these extraterrestrial rocks, which are unlike anything native to Earth.

[edit] Hunting Gold and Other Valuable Minerals

Mining is one of the oldest applications of practical geology. Find out how metals are classified and how most are associated with igneous and metamorphic deposits. Some metals, like gold, can be mined in a pure—"native”—state that requires little processing. Discover how and where to go prospecting for gold, using the panning process perfected by the Forty-Niners in California.

[edit] Oil Geology, Oil Plays, and Oil Drilling

Trace the history of oil exploration and recovery, focusing on the geology of petroleum and natural gas formations. To strike oil, you need to find a source rock, a reservoir rock, a caprock, and a structural feature called a trap where oil can pool. Survey some of the world's most productive oil fields, and investigate the plusses and minuses of hydraulic fracturing, also known as "fracking."

[edit] Human Landscapes and Practical Geology

Consider how to put your knowledge of geology to use. Issues faced by your community may benefit from geologic insights about groundwater, watersheds, roadways, pollution, and historic questions such as abandoned mines and quarries. Practical geology will only grow in importance as the world deals with climate change, resource shortages, and the pressing need to live in harmony with the planet.

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[edit] Technical Specs

Video Codec: H.264 CABAC High@L3.1
Video Bitrate: 1 291 Kbps
Video Resolution: 1280x720
Display Aspect Ratio: 16:9
Frames Per Second: 29.970 fps
Audio Codec: E-AC3
Audio Bitrate: 224 kb/s CBR 48000 Hz
Audio Streams: 2
Audio Languages: english
RunTime Per Part: 26 min 59 s - 32 min 55 s
Number Of Parts: 12
Part Size: 261 MB - 411 MB
Source: WEB DL
Capper: DocFreak08

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[edit] Release Post

• MVGroup.org (torrent)

[edit] Related Documentaries

• Practical Geology: Set 1
• Australia's First 4 Billion Years
• How the Earth Was Made: Series 2 - BluRay
• Fearless Planet
• Krakatoa: HD
• Journeys into the Ring of Fire (BBC)
• Cracking the Earths Crust
• Grand Canyon
• Violent Hawaii
• The Nature of Things: Geologic Journey II

[edit] ed2k Links