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