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Hawaiian Hot Spot
How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
Dangerous Mines
Abandoned Mine Accidents kill several people every year. Education can prevent deaths.
Ant Hill Garnets
Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Largest Diamonds
World*s Largest Diamonds Records for the largest rough, faceted and carbonado diamond.
Google Earth - Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
Cave of the Hands
Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
The Brewery Rock ?
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Fluorescent Minerals
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Rock and Mineral Kits
Rock & Mineral Kits The best way to learn about rocks and minerals is with specimens!
Petrified Wood
Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.
Tallest Waterfall
Angel Falls in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
Grape Agate
Grape Agate is a popular mineral specimen with the color and the shape of a bunch of grapes.
The British Isles
Names Used for Great Britain, British Isles, United Kingdom, and Ireland. What they mean.
Rhyolite
Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Colored Diamonds
Colored Diamonds are diamonds with a noticeable body color. They can sell for over $1M/carat.
Coal Close Up
Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Peridotite
Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
100+ Gemstones
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Largest Hurricanes
Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?
Molybdenite
Molybdenite is the primary ore of molybdenum which is used in superalloys and as a lubricant.
Crater of Diamonds
Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Great Rift Valley
The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Rare Earth Elements
Rare Earths - Special materials used in electronics, defense, medical & many other products.
Hand Lens
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
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Know the Rules before removing rocks, fossils or minerals from public or private property.
Mount Cleveland
Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Gem Silica
Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Rock Tumblers
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Birthstones
Birthstones are gems assigned to the month of a person*s birth. They are popular gifts in the U.S.
Sliding Rocks
Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
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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.
Ruby and Sapphire
Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Fire Opal
Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Waterproof Paper
Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Horizontal Drilling
Horizontal Drilling has opened new resources and significantly improved productivity.
Greatest Ocean Depth
Deepest Point in the Ocean The deepest point in the ocean is in the Mariana Trench.
American Gemstones
Mined in America - Small mines in the United States produce a diversity of beautiful gemstones.
Tallest Mountain
Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
The Acid Test
The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Watch out for Ticks!
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Rock-Forming Minerals
Rock-Forming Minerals - most of Earth*s crust is made-up of a small number of minerals.
Soapstone
Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Uses of Talc
哔咔漫画用免费加速器 is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
Mount Etna
Mount Etna - The most active volcano in Europe continues an eruption that started in 2001.
Cinnabar
Cinnabar - the only important ore of mercury. Used in pigments until its toxicity was realized.
Morganite
Morganite is an orange to pink gemstone, a variety of beryl, that is growing rapidly in popularity.
Pyroxene Minerals
Pyroxene Minerals are a group of chain silicate minerals found in igneous and metamorphic rocks.
Earthquake Maps
California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.
Utica Shale
Utica Shale is a major source of oil, natural gas and natural gas liquids in PA, OH and WV.
Methane Hydrate
Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Hydraulic Fracturing
Hydraulic Fracturing increases well yield by fracturing the reservoir rock with fluid injection.
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Salt Domes - Salt structures that are often associated with oil and natural gas accumulations.