Geology and Earth Science News and Information


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World Records

Rock and Mineral Kits
Rock Kits
Rock & Mineral Kits The best way to learn about rocks and minerals is with specimens!
Chalk
chalk
Chalk is a variety of limestone formed from fine-grained marine sediment known as ooze.
Hydraulic Fracturing
Hydraulic Fracturing
Hydraulic Fracturing increases well yield by fracturing the reservoir rock with fluid injection.
Geology.com News
geology news
Geology.com News contains news about geology and earth science from around the world.
Canadian Diamonds
Canadian Diamonds
Canadian Diamond Mines produce some of the largest and highest quality diamonds!
Ant Hill Garnets
Ant Hill Garnets
Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Ilmenite
Ilmenite
Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Landslides
Landslides
Landslides A USGS fact sheet about landslides and events that trigger them.
UV Mineral Lamp
UV Mineral Lamp
Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
Earthquake Maps
California Earthquake Maps
California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.
Fire Opal
Fire Opal
Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Wall Maps
Wall Maps
Wall Maps - Wall maps of the world, continents, states and the USA.
Mount Etna
Mount Etna
Mount Etna - The most active volcano in Europe continues an eruption that started in 2001.
Uses of Talc
uses of talc
Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
The Acid Test
The Acid Test
The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Hardness Picks
hardness picks
Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks.
Gem Silica
Gem Silica
Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Frac Sand
Frac Sand
Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing.
Debris Flows
Debris Flows
Debris Flows are moving masses of loose mud, sand, soil, rock and water.
Meteorites
Meteorites
Meteorites - Rocks that were once parts of planets or large asteroids.
Rocks
Rocks
Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.
Geology Dictionary
Geology Dictionary
Geology Dictionary - contains thousands of geological terms with their definitions.
Mineral Hardness
Mohs Hardness Test
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Google Earth - Free
Download Google Earth Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
Minerals
Minerals
Minerals - Descriptions, photos, articles, properties and uses for common minerals.
Volcanic Explosivity
Volcanic Explosivity
Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
Geology Tools
Geology Tools
Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Rhodonite
Rhodonite
Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
The Brewery Rock ?
diatomite
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Obsidian
Obsidian
Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass.
Gems from Space
Gems from Space
Extraterrestrial Gems - A number of materials from space are used as attractive gems.
Granite
Granite
Granite - The intrusive igneous rock that underlies continents and countertops.
Moldavite
moldavite
Moldavite is a gem material born about 15 million years ago when a pair of asteroids struck Europe.
Sliding Rocks
Sliding Rocks
Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Ethiopian Opal
Ethiopian opal
Ethiopian Opal - The new opal heavyweight that might give Australia a run.
Geodes
Geodes
Geodes look like ordinary rocks on the outside but can be spectacular inside!
100+ Gemstones
colored stones
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Soapstone
Soapstone
Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Fool*s Gold
Fool*s Gold
Fool*s Gold is a name used for pyrite when its brassy color fools people looking for gold.
DeLorme Atlas
DeLorme Atlas
Topo Maps - The DeLorme Atlas is an entire state of topo maps in one convenient book.
Diamonds
Diamonds
Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
Gemstones
Gemstones
Gemstones - Colorful images and articles about diamonds and colored stones.
Geology Books
Geology Books
Geology Books - A variety of books for reference, field trips, reading and more.
Crater of Diamonds
Crater of Diamonds
Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Teacher Resources
Teacher Resources
Teacher Resources - K-12 resources for teaching about earth science.
What Is The Moho?
What Is The Moho?
What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.
E.T. Volcanoes
Solar System Volcanoes
Solar System Volcanoes - Earth is not the only location of volcanic activity.
Don*t Go To Jail
Don't Go To Jail
Know the Rules before removing rocks, fossils or minerals from public or private property.
Utica Shale
Utica Shale
Utica Shale is confirmed as a major source of oil, natural gas and natural gas liquids.
Arctic Seafloor Map
Arctic Ocean Seafloor Map
Arctic Ocean Seafloor Map - The ridges, basins, shelves and rifts defining the Arctic seafloor.
Hurricane Names
Hurricane Names
How Are Hurricanes Named? There is a plan for naming tropical storms.
Fluorescent Minerals
Fluorescent Minerals
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Labradorite
Labradorite
Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color.
Types Of Eruptions
Types Of Eruptions
Types of Volcanic Eruptions - A description of the most common eruption types.
Tallest Tsunami
Tallest Tsunami
Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Emerald
Emerald
Emerald is the most popular green gemstone in the United States and most of the world.
Largest Earthquake
Largest Earthquake
Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960.
Bear Attacks
Bear Attacks
Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Rare Earth Elements
Rare Earth Elements
Rare Earths - Special materials used in electronics, defense, medical & many other products.
Hand Lens
Hand Lens
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Ammolite
Ammolite
Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
U.S. Gemstones
U.S. Gemstones
United States Gemstones Small mines in the U.S. produce a diversity of gemstones.
Salt Domes
Salt Domes
Salt Domes - Salt structures that are often associated with oil and natural gas accumulations.
Cave of the Hands
Cave of the Hands
Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
Volcanoes
Volcanoes
Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
Antarctic Meteorites
hunting meteorites in Antarctica
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Troglobites
Troglobites
Troglobites are creatures that have adapted to a permanent life in the darkness of a cave.
Rock-Forming Minerals
Rock-Forming Minerals
Rock-Forming Minerals - most of Earth*s crust is made-up of a small number of minerals.
Rock Tumblers
Rock Tumblers
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Great Rift Valley
Great Rift Valley
The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Spectacular Diamonds
Spectacular Diamonds
Spectacular Diamonds have an exceptional size, color, clarity, crystal form or other property.
Olivine
Olivine
Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
What Is Earth Science?
What Is Earth Science?
What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Coal Close Up
Coal Through a Microscope
Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Uses of Gold
Uses of Gold
The Many Uses of Gold - Unique properties make gold one of the most useful metals.
Sand
Sand
Sand is a diverse material. This gallery includes photos of sand from around the world.
Dowsing
dowsing
Dowsing is a method used to find underground water that is rejected by most geologists.
Blue Flames
Blue Flames
Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano.
Ruby and Sapphire
ruby and sapphire
Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Quartzite
quartzite
Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
Shale
Shale
Shale - The rock that has quickly transformed the oil and gas industry.
Vanadinite
Vanadinite
Vanadinite is an important ore of vanadium and a minor source of lead.
Record Lightning
Lake Maracaibo Lightning
World Record Lightning - this lake has more lightning than any other place in the world.
What is LNG?
What is LNG?
What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG.
Herkimer Diamonds
Herkimer Diamonds
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
Green Diamonds
Green Diamonds
Green Diamonds - one of rarest and most valuable diamond colors.
Azurite Granite
K2 Granite
Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan.
Largest Hurricanes
Largest Hurricanes
Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?
Geology of Helium
Helium
Helium is a byproduct of the natural gas industry. Its most important use is in MRI.
Petrified Wood
Petrified Wood
Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.
Tanzanite
tanzanite
Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.
Mineral Rights
Mineral Rights
Mineral Rights - Who owns the minerals under your land? Who wants to buy them?
Tallest Mountain
Tallest Mountain
Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
US Diamond Mines
US Diamond Mines
US Diamond Mines - Did you know that diamonds have been mined in the United States?
Hawaiian Hot Spot
Hawaiian Hot Spot
How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
What are Glaciers?
What are Glaciers?
What are Glaciers? Learn how glaciers form, flow, advance, retreat, and change over time.
Mount Vesuvius
Mount Vesuvius
Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.
Homeowners Insurance
Homeowners Insurance
Homeowners Insurance might not cover the types of damage that you think it should.
Kyanite
kyanite
Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems.
What is a Geyser?
What is a Geyser?
What is a Geyser? Photos and information about geysers in many parts of the world.
Turquoise
Turquoise
Turquoise - A bluish-green gem material that has been used for over 6000 years.
Lapis Lazuli
Lapis Lazuli
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Zircon
Zircon
Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Variscite
Variscite
Variscite is a yellowish green to bluish green mineral. It is similar to turquoise and cut as a gem.
Rock Art
Rock Art
Rock Art - People have been marking on rocks for thousands of years.
Crushed Stone
Crushed Stone
Crushed Stone - About four tons per person is used each year in the United States.
Facts About Copper
Copper
Facts About Copper - Information about copper uses, production, resources and more.
Garnet
Garnet
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
Uses of Marble
Uses of Marble
The Uses of Marble are numerous and diverse. You will be surprised by how it is used.
Watch out for Ticks!
Ticks
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
What is Geology?
What is Geology?
What is Geology? The study of Earth materials, structures, processes and life over time.
What is a Maar?
What is a Maar?
What is a Maar? The second most common volcanic landscape feature on Earth.
Largest Volcanoes
Largest Volcanoes
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Waterproof Paper
Waterproof Paper
Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Bear Map
Bear Map
Range of Bear Species - Where you might encounter different types of bears.
Dangerous Mines
Abandoned Mine Accidents
Abandoned Mine Accidents kill several people every year. Education can prevent deaths.
Pele*s Hair
Pele*s Hair
Pele*s Hair and Pele*s Tears are two unusual types of lava found at Kilauea and other volcanoes.
Kilauea Eruption
Kilauea Eruption
Kilauea Eruption - photos of the 2018 eruption in the East Rift Zone of Kilauea Volcano.
Oil Fields from Space
natural gas flaring
Oil Fields from Space - Night views of Earth show the distribution of oil field activity.
Sunstone
Sunstone
Sunstone - A gem feldspar with aventurescence caused by light reflecting from platy inclusions.
Rhyolite
Rhyolite
Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Peridotite
Peridotite
Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
Azurite
Azurite
Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Chalcopyrite
Chalcopyrite
Chalcopyrite - The most important ore of copper for over five thousand years.
Misconception
Diamonds from Coal
Diamond Misconception - Many people think that diamonds form from coal. Not True!
June 6, 1912
Novarupta
June 6, 1912 - The most powerful volcanic eruption of the 20th century.
Corundum
Corundum
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Storm Surge
Storm Surge
Storm Surge can be the most damaging and deadly aspect of a hurricane.
Hematite
Hematite on Mars
Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
Diamond Producers
Diamond Production
Diamond Production leaders include: Botswana, Russia, Angola and Canada.
Rhodochrosite
Rhodochrosite
Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Tourmaline
Tourmaline
Tourmaline - an extremely colorful mineral and gem material.
Gold Pans
Gold Pans
Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for Gold.
Expansive Soil
Expansive Soil
Expansive Soil causes more damage than floods, hurricanes & tornadoes combined.
Field Courses
Field Camps
Field Courses - Over 80 field courses for undergraduate geology students.
Eagle Ford Shale
Eagle Ford Shale
Eagle Ford Shale - One of the most prolific oil and gas producers in the United States.
Methane Hydrate
Methane Hydrate
Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Plate Tectonics
Plate Tectonics
Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth.
Lightning Strikes Map
Lightning Strikes Map
Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Horizontal Drilling
Horizontal Drilling
Horizontal Drilling has opened new resources and significantly improved productivity.
Mineraloids
Mineraloids
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Mount Cleveland
Mount Cleveland
Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Lo'ihi Seamount
Lo'ihi Seamount
The Next Hawaiian Island could be growing in the Pacific Ocean right now. Its name is Lo'ihi.
Opals
Opal
Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
Tallest Geyser
Tallest Geyser
Steamboat Geyser - The world*s tallest geyser has erupted three times this year.
Oil and Gas
Oil and Gas
Oil and Gas - Articles about oil and natural gas in the US and around the world.
Pavlof Volcano
Pavlof Volcano
Pavlof Volcano - one of the most active volcanoes in North America and a threat to air traffic.
Fossils
Fossils
Fossils - Learn about fossils and discoveries around the world.