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News and Information About Geology and Earth Science

Saidmarreh LandslideSaidmarreh Landslide The Saidmarreh Landslide in Iran is 10,000 years old and involved 5 cubic miles of debris. PumicePumice Pumice is a rock formed during explosive volcanic eruptions. It has a wide variety of uses. Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. What is Peanut Wood?Peanut Wood Peanut Wood? It is a type of fossil wood found in Australia. Do you know how it forms?
Geology.com NewsGeology News Geology.com News is updated several times each week. Read it here or receive email updates. Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood. RocksRocks Rocks: Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. MineralsMinerals Minerals: Descriptions, photos, articles, properties and uses for common minerals.
Bear AttacksBear Attacks Bear Attacks: Knowing how to react to a bear encounter or attack could save your life. LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-colors What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth. Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used.
Pavlof VolcanoPavlof Volcano Pavlof Volcano is one of the most active volcanoes in North America and a threat to air traffic. Salt GlaciersSalt Glaciers Salt Glaciers are masses of salt that flow downslope under their own weight. PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink. Plate TectonicsPlate Tectonics Plate Tectonics: Articles, maps, information about plate tectonics and the interior of Earth.
SunstoneSunstone Sunstone: a gem feldspar with aventurescence caused by light reflecting from platy inclusions. San Andreas FaultSan Andreas Fault The San Andreas Fault: A feature that separates the Pacific and North American Plates. Salt DomesSalt Domes Salt Domes are columns of salt that move upwards because of the salt\'s low specific gravity. Mount ClevelandMount Cleveland Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
ChromiteChromite Chromite is the only economic ore of chromium metal. It is usually found in ultrabasic rocks. USA Landslide MapLandslides Landslide Incidence Map: A USGS map showing landslide incidence in the United States. GemstonesGemstones Gemstones: Fantastic images and articles about diamonds and colored stones. Rock ArtRock Art Rock Art: People have been marking on rocks for thousands of years.
Rocks on MarsRocks on Mars Rocks on Mars: Many of the rocks found on Mars are not very different from Earth rocks. VolcanoesVolcanoes Volcanoes: Articles about volcanoes, volcanic hazards and eruptions past and present. Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. Find Minerals & GemsFee Mining Find Minerals and Gems: Dozens of sites where you can dig and keep what you find.
DiamondsDiamonds Diamonds: Learn about the properties of diamond, its many uses and diamond discoveries. Oil and GasOil and Gas Oil and Gas: Articles about oil and natural gas in the US and around the world. FluoriteFluorite Fluorite is an industrial mineral used in many chemical, ceramic and metallurgical processes. Largest LandslideLargest Landslide Largest Landslides: Heart Mountain and Storegga are the largest known landslides.
Sliding RocksSliding Rocks Sliding Rocks Mystery: What causes these rocks to slide across a playa in Death Valley? A Close Look at CoalCoal Coal Through a Microscope: Coal is more than a black rock. It is THE most interesting rock. Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map: Explore fifty of the most obvious asteroid impact craters on Earth. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Historical GeologyHistorical Geology Historical Geology: Articles about the history of the Earth and the events that have shaped it. Wrong Volcano!Novarupta Wrong Volcano! The most powerful eruption of the 20th century was misidentified? FossilsFossils Fossils: Learn about fossils and fossil discoveries around the world. Uses of GoldUses of Gold The Many Uses of Gold: Unique properties make gold one of the most useful metals.
What is LNG?What is LNG? What is LNG? The use of Liquified Natural Gas as an energy source is growing rapidly. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites. Geologist Toolsgeologist tools Geologist Tools: Visit our store for a large selection of field and laboratory tools. Flaring from SpaceFlaring from Space at Night Flaring from Space at Night: Views of Earth show oil field illumination and gas flaring.
MisconceptionDiamonds from Coal Diamond Misconception: Lots of people think that diamonds form from coal. Not True! Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago. EarthquakesEarthquakes Earthquakes: Learn about earthquakes and how they have affected cities and people. Land Below Sea LevelLand Below Sea Level Land Below Sea Level: Did you know that dozens of land locations are below sea level?
AstronomyAstronomy Astronomy: Fantastic images and articles about solar system and deep-space astronomy. AmetrineAmetrine Ametrine is a bicolor quartz (amethyst + citrine) and a gemstone of growing popularity. Dallol VolcanoDallol Volcano Strange Volcanic Landscape! Photos of Dallol Volcano - an explosion crater in Ethiopia. OlivineOlivine Olivine is a rock-forming mineral found in Earth\'s crust and mantle, and in some meteorites.
Impact EventsImpact Events Impact Events: Articles and images about impact events on Earth, moons and planets. Facts About CopperCopper Facts About Copper: Information about copper uses, production, resources and more. What City is This?Satellite Images What City is This? Can you recognize United States cities from satellite images? Rare Earth ElementsRare Earth Elements Rare Earths: Special materials used in electronics, defense, medical & many other products.
Earth Science RecordsEverest Earth Science Records: Highest mountain, deepest lake, biggest tsunami and more. Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. WaterWater Water Articles, press releases and teaching resources for surface and ground water. Climate ChangeClimate Change Climate Change: A collection of articles on climate change and it\\\'s diverse impacts.
TsunamiTsunami Tsunamis: Articles and press releases about tsunamis and earthquakes that trigger them. Mount EtnaMount Etna Mount Etna: The most active volcano in Europe continues an eruption that started in 2001. ChrysoberylChrysoberyl Chrysoberyl: a very hard gem mineral with dispersion, chatoyance and color-change. Largest VolcanoesLargest Volcanoes Largest Volcano: That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
OceanographyOceanography Oceanography: Articles, press releases and teaching materials related to oceanography. Eagle Ford ShaleEagle Ford Shale Eagle Ford Shale: One of the most prolific producers of oil and gas in the United States. SubsidenceSubsidence Subsidence: Articles, maps and news about mine, cavern and fluid-production subsidence. Frac SandFrac Sand Frac Sand: The amount of frac sand produced in the USA is up by over 300% since 2009.
Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. SandSand Sand is a diverse material. This gallery includes photos of sand from around the world. Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity: Rating volcanic eruptions based upon the volume of tephra ejected. ScoriaScoria Scoria is a dark-colored, extrusive igneous rock with abundant vesicles.
The Acid TestThe Acid Test The Acid Test: Geologists use dilute hydrochloric acid to identify carbonate minerals. Hydraulic FracturingHydraulic Fracturing Hydraulic Fracturing: Increases well yield by fracturing the reservoir rock with fluid injection. Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity. Turritella AgateTurritella Agate Turritella Agate is a brown agate containing snail fossils from the Green River Formation.
       

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