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News and Information About Geology and Earth Science

Crater of DiamondsCrater of Diamonds Crater of Diamonds - The only diamond mine in the world where you can be the miner. US Diamond MinesUS Diamond Mines US Diamond Mines - Did you know that diamonds have been mined in the United States? Fireworks & Mineralsfireworks The Science of Fireworks Their shapes and colors - produced through chemistry, physics & art. Oil Fields from Spacenatural gas flaring Oil Fields from Space - Night views of Earth show the distribution of oil field activity.
Mount ClevelandMount Cleveland Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic. NewsGeology News News is updated several times each week. Read it here or receive email updates. Coal Close UpCoal through a microscope Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock. Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.
San Andreas Fault MapSan Andreas Fault Map Google Map of the San Andreas Fault Zoom in to see the fault trace on satellite images. RocksRocks Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Arctic Seafloor MapArctic Ocean Seafloor Map Arctic Ocean Seafloor Map The ridges, basins, shelves and rifts defining the Arctic seafloor. Earthquake MapsCalifornia Earthquake Maps California Earthquake Maps A collection of isoseismal maps for earthquakes in California.
PeridotiteKimberlite The Host Rock of Diamonds - Diamonds are found in Kimberlite, a variety of peridotite. MineralsMinerals Minerals - Descriptions, photos, articles, properties and uses for common minerals. Life on Europa ?Life on Europa Life on Europa might exist in a salty ocean a short distance below its frozen surface. Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
SunstoneSunstone Sunstone is a gem feldspar with aventurescence caused by light reflecting from platy inclusions. Mount VesuviusMount Vesuvius Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions. Lightning Strikes MapLightning Strikes Map Lightning Strikes Map - A NASA map showing the worldwide distribution of lightning activity. Help a Science Teacher - At you can support a K-12 science project.
Sea Level Rise MapsSea Level Rise Maps Sea Level Rise Maps - See what will be flooded as sea level rises. MineraloidsMineraloids Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity. Find Minerals & GemsFee Mining Find Minerals and Gems - Dozens of sites where you can dig and keep what you find. Bear AttacksBear Attacks Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Identifying MeteoritesMeteorite Identification Meteorite Identification Step one in identifying a possible meteorite is the magnet test. Lapis LazuliLapis Lazuli Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history. Oil and GasOil and Gas Oil and Gas - Articles about oil and natural gas in the US and around the world. DiamondsDiamonds Diamonds - Learn about the properties of diamond, its many uses and diamond discoveries.
The Brewery Rock ?diatomite The Rock Used to Make Beer - Geologists are beer experts and should know about this rock. RhodoniteRhodonite Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light. OpalsOpal Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
GemstonesGemstones Gemstones - Colorful images and articles about diamonds and colored stones. Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. Sliding RocksSliding Rocks Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth. ObsidianObsidian Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass. Plate TectonicsPlate Tectonics Plate Tectonics - Articles, maps, information about plate tectonics and the interior of Earth. Dowsingdowsing Dowsing is a method used to find underground water that is rejected by most geologists.
Crushed StoneCrushed Stone Crushed Stone - About four tons per person is used each year in the United States. San Andreas FaultSan Andreas Fault The San Andreas Fault - A feature that separates the Pacific and North American Plates. Land Below Sea LevelLand Below Sea Level Land Below Sea Level - Did you know that dozens of land locations are below sea level? Geologist Toolsgeologist tools Geologist Tools - Visit our store for a large selection of field and laboratory tools.
MisconceptionDiamonds from Coal Diamond Misconception - Lots of people think that diamonds form from coal. Not True! Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. Methane HydrateMethane Hydrate Methane Hydrate deposits contain more fuel value than all other fossil fuels combined. Titan SubmarineTitan Submarine Exploring a Hydrocarbon Sea on Titan with a submarine is a potential NASA mission.
EmeraldEmerald Emerald is the most popular green gemstone in the United States and most of the world. Tallest TsunamiTallest Tsunami Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska. Gems from SpaceGems from Space Extraterrestrial Gems - A number of materials from space are used as attractive gems. 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Mineral HardnessMohs Hardness Test Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing. Rock ArtRock Art Rock Art - People have been marking on rocks for thousands of years. FossilsFossils Fossils - Learn about fossils and discoveries around the world. What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Teacher ResourcesTeacher Resources Teacher Resources - K-12 resources for teaching about earth science. Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used. Limonitelimonite Limonite - an amorphous iron oxide. Used as an ore of iron and as a pigment since prehistory. The Acid TestThe Acid Test The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
MetalsMetals Metals are important mineral products used in manufacturing and construction projects. Huge Diamond DepositPopigai Diamonds The Largest Diamond Deposit in the world could be under Popigai Crater in Russia. TurquoiseTurquoise Turquoise - A bluish-green gem material that has been used for over 6000 years. Chatoyant GemsChatoyant Gems Chatoyant Gems look like the eye of a cat. A line of light moves across the surface of the stone.
Volcanoes in SpaceExtraterrestrial Volcanoes Extraterrestrial Volcanoes - Earth is not the only solar system body with volcanoes. VolcanoesVolcanoes Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present. Facts About CopperCopper Facts About Copper - Information about copper uses, production, resources and more. What is a Geyser?What is a Geyser? Photos of Geysers from around the world with information about height, eruption interval, more.
AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites. CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire. Ruby and Sapphireruby and sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States. Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood.
SandSand Sand is a diverse material. This gallery includes photos of sand from around the world. LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-colors Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions - A description of the most common eruption types. GraniteGranite Granite - The intrusive igneous rock that underlies continents and countertops.
Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity. Largest EarthquakeLargest Earthquake Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960. What is Geology?What is Geology? What is Geology? - The study of Earth materials, structures, processes and life over time. Tallest MountainTallest Mountain Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
What Is The Moho?What Is The Moho? What Is The Moho? Learn about the Mohorovicic Discontinuity - the mantle/crust boundary. Rocks on MarsRocks on Mars Rocks on Mars - Many of the rocks found on Mars are not very different from Earth rocks. AstronomyAstronomy Astronomy - Fantastic images and articles about solar system and deep-space astronomy. Uses of GoldUses of Gold The Many Uses of Gold - Unique properties make gold one of the most useful metals.
MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. Hydraulic FracturingHydraulic Fracturing Hydraulic Fracturing - Increases well yield by fracturing the reservoir rock with fluid injection. Rare Earth ElementsRare Earth Elements Rare Earths - Special materials used in electronics, defense, medical & many other products. Largest DesertLargest Desert Largest Desert - The Sahara is huge but two polar deserts are larger.
USA Landslide MapLandslides Landslide Incidence Map - A USGS map showing landslide incidence in the United States. GarnetGarnet Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses. Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago. IoliteIolite Iolite is the gem variety of the mineral cordierite. An alternative to sapphire and tanzanite.
Mount EtnaMount Etna Mount Etna - The most active volcano in Europe continues an eruption that started in 2001. Great Rift ValleyGreat Rift Valley The East Africa Rift System - The extensive fault system that is tearing Africa apart. BasaltBasalt Basalt - Most of the ocean basin and part of the continents are underlain by basalt. ShaleShale Shale - The rock that has quickly transformed the oil and gas industry.
SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects. Largest VolcanoesLargest Volcanoes Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado. Frac SandFrac Sand Frac Sand - The amount of frac sand produced in the USA is up by over 300% since 2009. Salt DomesSalt Domes Salt Domes - Columns of salt that move upwards because of their low specific gravity.
HematiteHematite on Mars Hematite - The most important ore of iron. A source of mineral pigment since prehistory. AmetrineAmetrine Ametrine is a bicolor quartz (amethyst + citrine) and a gemstone of growing popularity. What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG. Rock GlaciersRock Glaciers Rock Glaciers - Masses of rock, ice, snow, mud and water that slowly flow down slope.
K2 GraniteK2 Granite Azurite Granite ? A white granite with blue orbs of azurite. It is a new gem material from Pakistan.      

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