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RocksRocks Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Eagle Ford ShaleEagle Ford Shale Eagle Ford Shale - One of the most prolific oil and gas producers in the United States. MineraloidsMineraloids Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity. Ruby and Sapphireruby and sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Geology.com Newsgeology news Geology.com News contains news about geology and earth science from around the world. Hand LensHand Lens Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool. Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity. Azurite GraniteK2 Granite Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan.
Crater of DiamondsCrater of Diamonds Crater of Diamonds - The only diamond mine in the world where you can be the miner. Diamond ProducersDiamond Production Diamond Production leaders include: Botswana, Russia, Angola and Canada. Methane HydrateMethane Hydrate Methane Hydrate deposits contain more fuel value than all other fossil fuels combined. GeodesGeodes Geodes look like ordinary rocks on the outside but can be spectacular inside!
Hardness Pickshardness picks Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks. Earthquake MapsCalifornia Earthquake Maps California Earthquake Maps - A collection of isoseismal maps for earthquakes in California. SunstoneSunstone Sunstone - A gem feldspar with aventurescence caused by light reflecting from platy inclusions. What are Glaciers?What are Glaciers? What are Glaciers? Learn how glaciers form, flow, advance, retreat, and change over time.
Ethiopian OpalEthiopian opal Ethiopian Opal - The new opal heavyweight that might give Australia a run. Gold PansGold Pans Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for Gold. What is a Geyser?What is a Geyser? What is a Geyser? Photos and information about geysers in many parts of the world. Land Below Sea LevelLand Below Sea Level Land Below Sea Level - Did you know that dozens of land locations are below sea level?
Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. MisconceptionDiamonds from Coal Diamond Misconception - Many people think that diamonds form from coal. Not True! UV Mineral LampUV Mineral Lamp Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing. RhyoliteRhyolite Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Geology ToolsGeology Tools Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans. RhodoniteRhodonite Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone. Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity. Rock KitsRock Kits Rock Kits for classroom and personal study. A great way to learn about rocks.
Great Rift ValleyGreat Rift Valley The East Africa Rift System - The extensive fault system that is tearing Africa apart. What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth. Salt DomesSalt Domes Salt Domes - Salt structures that are often associated with oil and natural gas accumulations. Mount ClevelandMount Cleveland Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
RhodochrositeRhodochrosite Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone. Kyanitekyanite Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems. Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. OlivineOlivine Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
Bear MapBear Map Range of Bear Species - Where you might encounter different types of bears. Expansive SoilExpansive Soil Expansive Soil causes more damage than floods, hurricanes & tornadoes combined. LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color. What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG.
Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago. Dowsingdowsing Dowsing is a method used to find underground water that is rejected by most geologists. Sea Level Rise MapsSea Level Rise Maps Sea Level Rise Maps - See what will be flooded as sea level rises. Herkimer DiamondsHerkimer Diamonds Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. Wall MapsWall Maps Wall Maps - Wall maps of the world, continents, states and the USA. US Diamond MinesUS Diamond Mines US Diamond Mines - Did you know that diamonds have been mined in the United States? SandSand Sand is a diverse material. This gallery includes photos of sand from around the world.
TurquoiseTurquoise Turquoise - A bluish-green gem material that has been used for over 6000 years. Bear AttacksBear Attacks Bear Attacks - Knowing how to react to a bear encounter or attack could save your life. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light. Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
EmeraldEmerald Emerald is the most popular green gemstone in the United States and most of the world. CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire. HematiteHematite on Mars Hematite - The most important ore of iron. A source of mineral pigment since prehistory. 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Lightning Strikes MapLightning Strikes Map Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity. The Brewery Rock ?diatomite The Rock Used to Make Beer - Geologists are beer experts and should know about this rock. ObsidianObsidian Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass. DiamondsDiamonds Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth. Mineral HardnessMohs Hardness Test Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing. USA Landslide MapLandslides Landslide Incidence Map - A USGS map showing landslide incidence in the United States. AzuriteAzurite Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Roadside GeologyRoadside Geology Guides Roadside Geology Guides - Discover the geology of your favorite state. Great for road trips. ShaleShale Shale - The rock that has quickly transformed the oil and gas industry. What Is The Moho?What Is The Moho? What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary. GraniteGranite Granite - The intrusive igneous rock that underlies continents and countertops.
Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used. Sliding RocksSliding Rocks Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley? Watch out for Ticks!Ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. Gems from SpaceGems from Space Extraterrestrial Gems - A number of materials from space are used as attractive gems.
San Andreas Fault MapSan Andreas Fault Map Google Map of the San Andreas Fault - Zoom in to see the fault trace on satellite images. Crushed StoneCrushed Stone Crushed Stone - About four tons per person is used each year in the United States. Blue FlamesBlue Flames Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano. GarnetGarnet Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more! SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects. Ant Hill GarnetsAnt Hill Garnets Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest! Teacher ResourcesTeacher Resources Teacher Resources - K-12 resources for teaching about earth science.
Mount EtnaMount Etna Mount Etna - The most active volcano in Europe continues an eruption that started in 2001. Rock ArtRock Art Rock Art - People have been marking on rocks for thousands of years. MineralsMinerals Minerals - Descriptions, photos, articles, properties and uses for common minerals. ChalcopyriteChalcopyrite Chalcopyrite - The most important ore of copper for over five thousand years.
June 6, 1912Novarupta June 6, 1912 - The most powerful volcanic eruption of the 20th century. VolcanoesVolcanoes Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present. Lapis LazuliLapis Lazuli Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history. Life on Europa?Life on Europa Life on Europa could exist in a salty ocean deep below its frozen surface.
Gem SilicaGem Silica Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony. GemstonesGemstones Gemstones - Colorful images and articles about diamonds and colored stones. Rock TumblersRock Tumblers Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler. Facts About CopperCopper Facts About Copper - Information about copper uses, production, resources and more.
Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. Quartzitequartzite Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure. Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood. Rare Earth ElementsRare Earth Elements Rare Earths - Special materials used in electronics, defense, medical & many other products.
Record LightningLake Maracaibo Lightning World Record Lightning - this lake has more lightning than any other place in the world. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites. Arctic Seafloor MapArctic Ocean Seafloor Map Arctic Ocean Seafloor Map - The ridges, basins, shelves and rifts defining the Arctic seafloor. Uses of GoldUses of Gold The Many Uses of Gold - Unique properties make gold one of the most useful metals.
Field CoursesField Camps Field Courses - Over 80 field courses for undergraduate geology students. Mineral RightsMineral Rights Mineral Rights - Who owns the minerals under your land? Who wants to buy them? TourmalineTourmaline Tourmaline - the most colorful mineral and natural gem material on Earth. Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions - A description of the most common eruption types.
What is Geology?What is Geology? What is Geology? The study of Earth materials, structures, processes and life over time. The Acid TestThe Acid Test The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals. PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink. ZirconZircon Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Coal Close UpCoal Through a Microscope Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock. Canadian DiamondsCanadian Diamonds Canada is one of the world*s leading producers of gem-quality diamonds. Largest VolcanoesLargest Volcanoes Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado. Tallest MountainTallest Mountain Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
Antarctic Meteoriteshunting meteorites in Antarctica The Richest Meteorite Field - More meteorites found here than anywhere else on Earth. Huge Diamond DepositPopigai Diamonds The Largest Diamond Deposit in the world could be under Popigai Crater in Russia. Mount VesuviusMount Vesuvius Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions. Geology of HeliumHelium Helium is a byproduct of the natural gas industry. Its most important use is in MRI.
Tallest TsunamiTallest Tsunami Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska. Rocks on MarsRocks on Mars Rocks on Mars - Many of the rocks found on Mars are not very different from Earth rocks. Pavlof VolcanoPavlof Volcano Pavlof Volcano - one of the most active volcanoes in North America and a threat to air traffic. Frac SandFrac Sand Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing.
Hydraulic FracturingHydraulic Fracturing Hydraulic Fracturing increases well yield by fracturing the reservoir rock with fluid injection. Oil Fields from Spacenatural gas flaring Oil Fields from Space - Night views of Earth show the distribution of oil field activity. OpalsOpal Pictures of Opal - A collection of different types of opal from all around the world and Mars too! FossilsFossils Fossils - Learn about fossils and discoveries around the world.
Largest EarthquakeLargest Earthquake Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960. Fee Mining SitesFee Mining Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find. Plate TectonicsPlate Tectonics Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth. Oil and GasOil and Gas Oil and Gas - Articles about oil and natural gas in the US and around the world.
       



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