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Major Basins, Ridges, Shelves and Bathymetry Article by: Hobart M. King, Ph.D., RPG Arctic Ocean Seafloor Features Map: International Bathymetric Chart of the Arctic Ocean annotated with the names of seafloor features. Northwest Passage - Northern Sea Route: Map showing the geographic extent of the Arctic Ocean (as a darker blue tint).

Article by: Hobart M. King, Ph.D., RPG The Moho: Image of Earth's internal structure by USGS - Mohorovicic Discontinuity (red line) added by . What is the Mohorovičić Discontinuity? The Mohorovicic Discontinuity, or "Moho," is the boundary between the crust and the mantle. The red line in the diagram shows its location.

Article by: Hobart M. King, Ph.D., RPG Cave snail: The Tumbling Creek cavesnail, Antrobia culveri , is a blind albino. Public domain photo by David Ashley of the U.S. Fish and Wildlife Service. What are Troglobites? Troglobites are small creatures that have adapted to a permanent life in a cave. They are so well-adapted to life in a cave that they would be unable to survive in the surface environment.

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Lyme Disease and Rocky Mountain Spotted Fever are a danger to people who work or play outdoors Article by: Hobart M. King, Ph.D., RPG Deer Tick - Blacklegged Tick Deer tick: Photograph of a black-legged tick, also known as a deer tick ( Ixodes scapularis ). Image by the National Institute for Occupational Safety and Health / Center for Disease Control.

A Collection of Classroom Activities and Lesson Plans Here is a list of teacher resources that can easily be modified and incorporated into the earth science classroom. Home Astronomy Earthquakes Erosion Maps Plate Tectonics Rocks & Minerals Volcanoes Water Weather Home Astronomy Rocks & Minerals Water Volcanoes Plate Tectonics Erosion Earthquakes Weather Maps Rocks - Igneous, Metamorphic & Sedimentary Rocks and Minerals: Photos of igneous, sedimentary and metamorphic rocks that you can share via computer projection or assign as study.

Machines that reveal the hidden beauty of rocks and minerals. Rock Tumbler Kit: Most small rock tumblers are sold as a kit that includes: the tumbler machine, a tumbler barrel, instructions, crushed rock, abrasive grit, and polish. The tumbler shown in the photo above is a Thumler's MP-1 that is sold with a small rubber barrel.

Article by: Hobart M. King, Ph.D., RPG Selenga River Delta satellite image: Landsat 5 image of the Selenga River Delta acquired on August 23, 2010. The delta is located on the southeastern shoreline of Lake Baikal. This image clearly shows the distributaries of the delta, meandering channels on the alluvial plain, and sediment-laden waters on the delta front.

Dr. Eric Ferré, Department of Geology, Southern Illinois University, interviewee, and Emily Ferré, author. Mapping the Eagle Formation in Elk Basin, WY. Photo by Eric Ferré. The Most Challenging Undergraduate Course Geology field camp will probably be the most challenging course of your undergraduate education, but it will also be the most rewarding.

About 5% of the meteorites found on Earth are thought to be from an impact on Vesta Article by: Hobart M. King, Ph.D., RPG Vesta meteorites: The images above are photomicrographs of slices from three meteorites confirmed to have originated from the asteroid Vesta. Photographed in transmitted light under crossed polarizers, these images reveal the mineral composition and texture of the meteorites.

Granites with the needed properties are found in only a few locations on Earth Article by: Hobart M. King, Ph.D., RPG Curling Stone: Pictured here is a granite curling stone and a "broom" used to sweep the ice. Sweeping the ice in front of a moving curling stone influences both the speed and direction of the stone.

There are thousands of types of maps. Here are some of the most popular. Article by: Hobart M. King, Ph.D., RPG and Map Junkie Different Types of Maps Different Types of Maps: Here are a few examples of the different types of maps discussed in this article. Clockwise from top left: weather map, topographic map, political map, digital street map, income map, and geologic map.

Target the entire site, specific pages, or a specific ad unit Target Exact Pages: Want your ads to appear on our page about Mineral Rights? How about our page about the Utica Shale, Tanzanite, or Granite? Google Adwords has tools to help you target specific pages on any website that displays ads from Google Adsense.

Article by: Hobart M. King, Ph.D., RPG A geologist collecting rock samples in Afghanistan as part of a mineral resource assessment. Between 2005 and 2007, geologists from the United States Geological Survey worked with the Afghanistan Geological Survey in an assessment of known and as-yet-undiscovered mineral resources.

A hard drive sealed in helium has enormous performance advantages over the standard hard drive. Helium hard drive: A hard drive running in a helium environment has many advantages over a hard drive running in air. Photo copyright iStockphoto / deepblue4you. Why Helium? Helium has the lowest density and lowest specific heat of all nonflammable substances.

Professor Nicholas Pinter, Department of Earth and Planetary Sciences, UC Davis So, you just arrived for your first day of Geology grad school. Welcome to the next 2-10 years of your life! Your program may be a major research department with 40 faculty members, or a small liberal arts schools with a little-used MS degree.

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The highest mountain or highest elevation point for each of the 50 states are listed in the table below. State Highest Point Highest Elevation (feet) State Elevation Maps Alabama Highest Point Cheaha Mt., AL 2,405 Alabama Elevation Map Alaska Highest Point Mt. McKinley (Denali), AK 20,237 Alaska Elevation Map Arizona Highest Point Humphreys Peak, AZ 12,633 Arizona Elevation Map Arkansas Highest Point Magazine Mt.

Natural resource demand, environmental issues, retirements and low enrollments support geologists. Article by: Hobart M. King, Ph.D., RPG Geologist salary graph: Graph of average annual salaries of geologists in the petroleum industry as published by the American Association of Petroleum Geologists as part of the AAPG Annual Salary Survey.