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News and Information About Geology and Earth Science

TroglobitesTroglobites Troglobites are creatures that have adapted to a permanent life in the darkness of a cave. What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more! Land Below Sea LevelLand Below Sea Level Land Below Sea Level Did you know that dozens of land locations are below sea level? The Brewery Rock ?diatomite The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
MineralsMinerals Minerals Descriptions, photos, articles, properties and uses for common minerals. Uses of GoldUses of Gold The Many Uses of Gold Unique properties make gold one of the most useful metals. RocksRocks Rocks Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink. NewsGeology News News is updated several times each week. Read it here or receive email updates. Lunar Rift Systemlunar rift system Lunar Rift System? Gravity maps revise the geologic history of the near side of the moon. Rock ArtRock Art Rock Art People have been marking on rocks for thousands of years.
Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map Explore fifty of the most obvious asteroid impact craters on Earth. NovaruptaNovarupta Most Powerful Eruption of the 20th Century - One hour later, the blast was heard in Juneau. GemstonesGemstones Gemstones Colorful images and articles about diamonds and colored stones. What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG.
MisconceptionDiamonds from Coal Diamond Misconception Lots of people think that diamonds form from coal. Not True! What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth. Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago. Plate TectonicsPlate Tectonics Plate Tectonics Articles, maps, information about plate tectonics and the interior of Earth.
Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. Oil and GasOil and Gas Oil and Gas Articles about oil and natural gas in the US and around the world. Facts About CopperCopper Facts About Copper Information about copper uses, production, resources and more. Find Minerals & GemsFee Mining Find Minerals and Gems : Dozens of sites where you can dig and keep what you find.
Tallest TsunamiTallest Tsunami Tallest Tsunami A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska. Teacher ResourcesTeacher Resources Teacher Resources : K-12 resources for teaching about earth science. DiamondsDiamonds Diamonds Learn about the properties of diamond, its many uses and diamond discoveries. Sliding RocksSliding Rocks Sliding Rocks Mystery What causes these rocks to slide across a playa in Death Valley?
Salt GlaciersSalt Glaciers Salt Glaciers are masses of salt that flow downslope under their own weight. Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals glow with spectacular colors under ultraviolet light. IoliteIolite Iolite is the gem variety of the mineral cordierite. An alternative to sapphire and tanzanite.
PumicePumice Pumice is a rock formed during explosive volcanic eruptions. It has a wide variety of uses. Rare Earth ElementsRare Earth Elements Rare Earths Special materials used in electronics, defense, medical & many other products. VolcanoesVolcanoes Volcanoes Articles about volcanoes, volcanic hazards and eruptions past and present. Sea Level Rise MapSea Level Rise Map Sea Level Rise Map A Google map that shows where flooding will occur as sea level rises.
Bear AttacksBear Attacks Bear Attacks Knowing how to react to a bear encounter or attack could save your life. Organic GemsOrganic Gems Organic Gems are gems formed from or by plants or animals. They might also be fossils. MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. Earthquake MapsEarthquake Maps California Earthquake Maps : A collection of isoseismal maps for earthquakes in California.
Geologist Toolsgeologist tools Geologist Tools Visit our store for a large selection of field and laboratory tools. San Andreas FaultSan Andreas Fault The San Andreas Fault A feature that separates the Pacific and North American Plates. SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects. Gems from SpaceGems from Space Extraterrestrial Gems A number of materials from space are used as attractive gems.
US Diamond MinesUS Diamond Mines US Diamond Mines : Did you know that diamonds have been found in the United States? FossilsFossils Fossils Learn about fossils and fossil discoveries around the world. AstronomyAstronomy Astronomy Fantastic images and articles about solar system and deep-space astronomy. TurquoiseTurquoise Turquoise - A blue to bluish-green gem material that has been used for over 6000 years.
EmeraldEmerald Emerald is the most popular green gemstone in the United States and most of the world. Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used. SunstoneSunstone Sunstone a gem feldspar with aventurescence caused by light reflecting from platy inclusions. Mount EtnaMount Etna Mount Etna The most active volcano in Europe continues an eruption that started in 2001.
LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-colors Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood. Largest EarthquakeLargest Earthquake Largest Earthquake The largest earthquake ever recorded: Chile, 1960, Magnitude 9.5. CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity. The Acid TestThe Acid Test The Acid Test Geologists use dilute hydrochloric acid to identify carbonate minerals. 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure. What is a Geyser?What is a Geyser? Photos of Geysers from around the world with information about height, eruption interval, more.
Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity Rating volcanic eruptions based upon the volume of tephra ejected. New Eruptions on IoSolar System Volcanoes Eruptions launch lava hundreds of miles above the surface of Io, a moon of Jupiter. Frac SandFrac Sand Frac Sand The amount of frac sand produced in the USA is up by over 300% since 2009. Rocks on MarsRocks on Mars Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. SandSand Sand is a diverse material. This gallery includes photos of sand from around the world. Tallest MountainTallest Mountain Tallest Mountain Everest has rivals in tallness, altitude and distance to the center of Earth. MetalsMetals Metals are important mineral products used in manufacturing and construction projects.
Oil SandsOil Sands Oil Sands contain oil in the form of bitumen. A major oil resource that can be difficult to produce. 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. Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions A description of the most common eruption types.
Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. AmetrineAmetrine Ametrine is a bicolor quartz (amethyst + citrine) and a gemstone of growing popularity. Dangerous MinesAbandoned Mine Accidents Abandoned Mine Accidents take 20 to 30 lives per year. Many can be prevented with education. Largest DesertLargest Desert Largest Desert The Sahara is huge but two polar deserts are larger.
Pavlof VolcanoPavlof Volcano Pavlof Volcano is one of the most active volcanoes in North America and a threat to air traffic. Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity. Largest VolcanoesLargest Volcanoes Largest Volcano That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado. Eagle Ford ShaleEagle Ford Shale Eagle Ford Shale One of the most prolific producers of oil and gas in the United States.
Coal Close UpCoal through a microscope Coal Through a Microscope Coal is more than a black rock. It is THE most interesting rock. OlivineOlivine Olivine is a rock-forming mineral found in the crust, the mantle, and in some meteorites. Hydraulic FracturingHydraulic Fracturing Hydraulic Fracturing Increases well yield by fracturing the reservoir rock with fluid injection. ScoriaScoria Scoria is a dark-colored, extrusive igneous rock with abundant vesicles.
Methane HydrateMethane Hydrate Methane Hydrate deposits contain more fuel value than all other fossil fuels combined. Dallol VolcanoDallol Volcano Strange Volcanic Landscape! Photos of Dallol Volcano - an explosion crater in Ethiopia. Salt DomesSalt Domes Salt Domes are columns of salt that move upwards because of the salt\'s low specific gravity. Geologic Time ScaleGeologic Time Scale Divisions of Geologic Time USGS periodically revises rock unit names and age estimates.

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