Geology and Earth Science News and Information


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Earthquakes
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Metals
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Minerals
Oceanography
Oil and Gas
Plate Tectonics
Rocks
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Teacher Resources
U.S. Maps
Volcanoes
World Maps
World Records

What is Geology?
What is Geology?
What is Geology? The study of Earth materials, structures, processes and life over time.
Fire Opal
Fire Opal
Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Google Earth - Free
Download Google Earth Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
Coal Close Up
Coal Through a Microscope
Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Wall Maps
Wall Maps
Wall Maps - Wall maps of the world, continents, states and the USA.
Rock Art
Rock Art
Rock Art - People have been marking on rocks for thousands of years.
Geology.com News
geology news
Geology.com News contains news about geology and earth science from around the world.
Obsidian
Obsidian
Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass.
The Brewery Rock ?
diatomite
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Ammolite
Ammolite
Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
Granite
Granite
Granite - The intrusive igneous rock that underlies continents and countertops.
What Is The Moho?
What Is The Moho?
What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.
The Acid Test
The Acid Test
The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Don*t Go To Jail
Don't Go To Jail
Know the Rules before removing rocks, fossils or minerals from public or private property.
Salt Domes
Salt Domes
Salt Domes - Salt structures that are often associated with oil and natural gas accumulations.
Types Of Eruptions
Types Of Eruptions
Types of Volcanic Eruptions - A description of the most common eruption types.
Emerald
Emerald
Emerald is the most popular green gemstone in the United States and most of the world.
Oil Fields from Space
natural gas flaring
Oil Fields from Space - Night views of Earth show the distribution of oil field activity.
Asteroid Impact Map
Asteroid Impact Map
Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth.
Moldavite
moldavite
Moldavite is a gem material born about 15 million years ago when a pair of asteroids struck Europe.
Geology Books
Geology Books
Geology Books - A variety of books for reference, field trips, reading and more.
Hardness Picks
hardness picks
Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks.
Rare Earth Elements
Rare Earth Elements
Rare Earths - Special materials used in electronics, defense, medical & many other products.
Rock Tumblers
Rock Tumblers
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Rock and Mineral Kits
Rock Kits
Rock & Mineral Kits The best way to learn about rocks and minerals is with specimens!
Gems from Space
Gems from Space
Extraterrestrial Gems - A number of materials from space are used as attractive gems.
Hand Lens
Hand Lens
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Gemstones
Gemstones
Gemstones - Colorful images and articles about diamonds and colored stones.
Sea Level Rise Maps
Sea Level Rise Maps
Sea Level Rise Maps - See what will be flooded as sea level rises.
Ant Hill Garnets
Ant Hill Garnets
Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Tallest Tsunami
Tallest Tsunami
Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Crushed Stone
Crushed Stone
Crushed Stone - About four tons per person is used each year in the United States.
Minerals
Minerals
Minerals - Descriptions, photos, articles, properties and uses for common minerals.
Frac Sand
Frac Sand
Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing.
Volcanoes
Volcanoes
Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
Diamonds
Diamonds
Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
Geology Tools
Geology Tools
Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Record Lightning
Lake Maracaibo Lightning
World Record Lightning - this lake has more lightning than any other place in the world.
Volcanic Explosivity
Volcanic Explosivity
Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
Rocks
Rocks
Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.
Antarctic Meteorites
hunting meteorites in Antarctica
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Quartzite
quartzite
Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
Teacher Resources
Teacher Resources
Teacher Resources - K-12 resources for teaching about earth science.
Land Below Sea Level
Land Below Sea Level
Land Below Sea Level - Did you know that dozens of land locations are below sea level?
Bear Attacks
Bear Attacks
Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Chalcopyrite
Chalcopyrite
Chalcopyrite - The most important ore of copper for over five thousand years.
Geodes
Geodes
Geodes look like ordinary rocks on the outside but can be spectacular inside!
What is LNG?
What is LNG?
What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG.
Geology of Helium
Helium
Helium is a byproduct of the natural gas industry. Its most important use is in MRI.
Utica Shale
Utica Shale
Utica Shale is confirmed as a major source of oil, natural gas and natural gas liquids.
San Andreas Fault Map
San Andreas Fault Map
Google Map of the San Andreas Fault - Zoom in to see the fault trace on satellite images.
UV Mineral Lamp
UV Mineral Lamp
Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
Great Rift Valley
Great Rift Valley
The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Gem Silica
Gem Silica
Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Gold Pans
Gold Pans
Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for Gold.
What Is Earth Science?
What Is Earth Science?
What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Meteorites
Meteorites
Meteorites - Rocks that were once parts of planets or large asteroids.
Crater of Diamonds
Crater of Diamonds
Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Misconception
Diamonds from Coal
Diamond Misconception - Many people think that diamonds form from coal. Not True!
Arctic Seafloor Map
Arctic Ocean Seafloor Map
Arctic Ocean Seafloor Map - The ridges, basins, shelves and rifts defining the Arctic seafloor.
Cave of the Hands
Cave of the Hands
Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
June 6, 1912
Novarupta
June 6, 1912 - The most powerful volcanic eruption of the 20th century.
Expansive Soil
Expansive Soil
Expansive Soil causes more damage than floods, hurricanes & tornadoes combined.
Lightning Strikes Map
Lightning Strikes Map
Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Ametrine
Ametrine
Ametrine is a bicolor quartz (amethyst + citrine) and a gemstone of growing popularity.
Garnet
Garnet
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
Largest Volcanoes
Largest Volcanoes
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Canadian Diamonds
Canadian Diamonds
Canada is one of the world*s leading producers of gem-quality diamonds.
Blue Flames
Blue Flames
Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano.
Fluorescent Minerals
Fluorescent Minerals
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Ruby and Sapphire
ruby and sapphire
Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Troglobites
Troglobites
Troglobites are creatures that have adapted to a permanent life in the darkness of a cave.
Lapis Lazuli
Lapis Lazuli
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Uses of Marble
Uses of Marble
The Uses of Marble are numerous and diverse. You will be surprised by how it is used.
Uses of Gold
Uses of Gold
The Many Uses of Gold - Unique properties make gold one of the most useful metals.
Labradorite
Labradorite
Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color.
Homeowners Insurance
Homeowners Insurance
Homeowners Insurance usually does not cover the most common geologic hazards.
Rhodonite
Rhodonite
Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
Field Courses
Field Camps
Field Courses - Over 80 field courses for undergraduate geology students.
Petrified Wood
Petrified Wood
Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood.
Soapstone
Soapstone
Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Sliding Rocks
Sliding Rocks
Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Mineraloids
Mineraloids
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Mineral Rights
Mineral Rights
Mineral Rights - Who owns the minerals under your land? Who wants to buy them?
Ethiopian Opal
Ethiopian opal
Ethiopian Opal - The new opal heavyweight that might give Australia a run.
What is a Geyser?
What is a Geyser?
What is a Geyser? Photos and information about geysers in many parts of the world.
Azurite
Azurite
Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
US Diamond Mines
US Diamond Mines
US Diamond Mines - Did you know that diamonds have been mined in the United States?
Diamond Producers
Diamond Production
Diamond Production leaders include: Botswana, Russia, Angola and Canada.
What is a Maar?
What is a Maar?
What is a Maar? The second most common volcanic landscape feature on Earth.
Herkimer Diamonds
Herkimer Diamonds
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
Eagle Ford Shale
Eagle Ford Shale
Eagle Ford Shale - One of the most prolific oil and gas producers in the United States.
Rhyolite
Rhyolite
Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Facts About Copper
Copper
Facts About Copper - Information about copper uses, production, resources and more.
Methane Hydrate
Methane Hydrate
Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Sand
Sand
Sand is a diverse material. This gallery includes photos of sand from around the world.
Tallest Mountain
Tallest Mountain
Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
Tourmaline
Tourmaline
Tourmaline - the most colorful mineral and natural gem material on Earth.
Peridotite
Peridotite
Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
Tanzanite
tanzanite
Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.
Horizontal Drilling
Horizontal Drilling
Horizontal Drilling has opened new resources and significantly improved productivity.
What are Glaciers?
What are Glaciers?
What are Glaciers? Learn how glaciers form, flow, advance, retreat, and change over time.
Hematite
Hematite on Mars
Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
100+ Gemstones
colored stones
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Azurite Granite
K2 Granite
Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan.
Zircon
Zircon
Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Mount Vesuvius
Mount Vesuvius
Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.
Shale
Shale
Shale - The rock that has quickly transformed the oil and gas industry.
Sunstone
Sunstone
Sunstone - A gem feldspar with aventurescence caused by light reflecting from platy inclusions.
Mineral Hardness
Mohs Hardness Test
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Bear Map
Bear Map
Range of Bear Species - Where you might encounter different types of bears.
Kyanite
kyanite
Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems.
Pavlof Volcano
Pavlof Volcano
Pavlof Volcano - one of the most active volcanoes in North America and a threat to air traffic.
Dowsing
dowsing
Dowsing is a method used to find underground water that is rejected by most geologists.
Watch out for Ticks!
Ticks
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Earthquake Maps
California Earthquake Maps
California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.
Opals
Opal
Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
Hydraulic Fracturing
Hydraulic Fracturing
Hydraulic Fracturing increases well yield by fracturing the reservoir rock with fluid injection.
Largest Earthquake
Largest Earthquake
Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960.
Corundum
Corundum
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Mount Etna
Mount Etna
Mount Etna - The most active volcano in Europe continues an eruption that started in 2001.
Mount Cleveland
Mount Cleveland
Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Rhodochrosite
Rhodochrosite
Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Olivine
Olivine
Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
Life on Europa?
Life on Europa
Life on Europa could exist in a salty ocean deep below its frozen surface.
Turquoise
Turquoise
Turquoise - A bluish-green gem material that has been used for over 6000 years.
Fee Mining Sites
Fee Mining
Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find.
Plate Tectonics
Plate Tectonics
Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth.
Fossils
Fossils
Fossils - Learn about fossils and discoveries around the world.
Oil and Gas
Oil and Gas
Oil and Gas - Articles about oil and natural gas in the US and around the world.