Geology and Earth Science News and Information
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After COVID-19 Delay, Delta-X Field Campaign Begins in Louisiana
NASA

Researchers with NASA*s Delta-X mission conduct preliminary field work in coastal Louisiana*s delta region. Photo by NASA / JPL-Caltech.
NASA

Researchers with NASA*s Delta-X mission conduct preliminary field work in coastal Louisiana*s delta region. Photo by NASA / JPL-Caltech.
USGS HVO Information Statement - M 4.3 Earthquake Beneath Mauna Loa*s South Flank
United States Geological Survey
United States Geological Survey
Florida: Evacuations Over Fears of a Wastewater Pond Failure at a Former Phosphate Plant
National Public Radio
National Public Radio
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Fluorescent Minerals

Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Watch out for Ticks!

Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Gem Silica

Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Homeowners Insurance

Homeowners Insurance might not cover earthquake, hurricane and other geohazard damage.
What is Geology?

What is Geology? The study of Earth materials, structures, processes and life over time.
Grape Agate

Grape Agate is a popular mineral specimen with the color and the shape of a bunch of grapes.
Coal Close Up

Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Ant Hill Garnets

Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Google Earth - Free

Free Google Earth software allows you to browse seamless world satellite images. Free.
Largest Diamonds

World*s Largest Diamonds Records for the largest rough, faceted and carbonado diamond.
The Brewery Rock ?

The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Cave of the Hands

Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
Mount Etna

Mount Etna - The most active volcano in Europe continues an eruption that started in 2001.
Rock and Mineral Kits

Rock & Mineral Kits The best way to learn about rocks and minerals is with specimens!
Rhyolite

Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
100+ Gemstones

100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
What Is Earth Science?

What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Crater of Diamonds

Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Opals

Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
Gems from Space

Extraterrestrial Gems - A number of materials from space are used as attractive gems.
Fire Opal

Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Rare Earth Elements

Rare Earths - Special materials used in electronics, defense, medical & many other products.
Birthstones

Birthstones are gems assigned to the month of a person*s birth. They are popular gifts in the U.S.
Lo'ihi Seamount

The Next Hawaiian Island could be growing in the Pacific Ocean right now. Its name is Lo'ihi.
Mineral Hardness

Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Largest Volcanoes

Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Ruby and Sapphire

Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Sliding Rocks

Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Fool*s Gold

Fool*s Gold is a name used for pyrite when its brassy color fools people looking for gold.
Mars Meteorites

Mars Meteorites Mars rovers have found dozens of meteorites traveling around the red planet.
Don*t Go To Jail

Know the Rules before removing rocks, fossils or minerals from public or private property.
Rhodochrosite

Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Rock Tumblers

Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Horizontal Drilling

Horizontal Drilling has opened new resources and significantly improved productivity.
Cinnabar

Cinnabar - the only important ore of mercury. Used in pigments until its toxicity was realized.
The Acid Test

The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Pyroxene Minerals

Pyroxene Minerals are a group of chain silicate minerals found in igneous and metamorphic rocks.
Peridotite

Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
Uses of Talc

Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
Hand Lens

Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Tallest Tsunami

Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Record Lightning

World Record Lightning - this lake has more lightning than any other place in the world.
Waterproof Paper

Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Volcanic Explosivity

Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
American Gemstones

Mined in America - Small mines in the United States produce a diversity of beautiful gemstones.
Morganite

Morganite is an orange to pink gemstone, a variety of beryl, that is growing rapidly in popularity.
Petrified Wood

Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.
Great Rift Valley

The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Largest Hurricanes

Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?
Tallest Waterfall

Angel Falls in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
Greatest Ocean Depth

Deepest Point in the Ocean The deepest point in the ocean is in the Mariana Trench.
Soapstone

Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Hydraulic Fracturing

Hydraulic Fracturing increases well yield by fracturing the reservoir rock with fluid injection.
Mount Cleveland

Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Methane Hydrate

Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Colored Diamonds

Colored Diamonds are diamonds with a noticeable body color. They can sell for over $1M/carat.
Tallest Mountain

Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
Utica Shale

Utica Shale is a major source of oil, natural gas and natural gas liquids in PA, OH and WV.
Lightning Strikes Map

Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Hawaiian Hot Spot

How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
The British Isles

Names Used for Great Britain, British Isles, United Kingdom, and Ireland. What they mean.
Earthquake Maps

California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.







































































