Categories
June 6th 1912
Novarupta - The most powerful volcanic eruption of the 20th century occurred in the U.S.A.
Fool*s Gold
Fool*s Gold is a name used for pyrite when its brassy color fools people looking for gold.
Greatest Ocean Depth
Deepest Point in the Ocean The deepest point in the ocean is in the Mariana Trench.
Where Is Ukraine?
Ukraine is an independent state in eastern Europe that shares a border with Russia to its east.
Rock and Mineral Kits
2.8" LCD NanoVNA-H HF VHF UHF Nano VNA Vector Network Analyzer A The best way to learn about rocks and minerals is with specimens!
Opals
Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
Fee Mining
Dig for Gems at dozens of sites across the United States. Keep what you find at most locations.
Rocks
2013 Volvo XC60 AWD 4dr 3.0L R-Design Premier Plus - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.
Ant Hill Garnets
98 HONDA SUPER HAWK 1000 VTR1000F RIGHT REARSET W MASTER AND CAL - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Soapstone
Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Crystal Habit
Crystal Habit is the external shape displayed by a crystal or an aggregate of crystals.
Sand Photo Collection
Sand from Around the World . A photo gallery showing the diversity of the material we call "sand".
Google Earth - Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
Peridotite
Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
Colored Diamonds
Colored Diamonds are diamonds with a noticeable body color. They can sell for over $1M/carat.
Strawberry Quartz
Strawberry Quartz is a red to pink quartz with inclusions that look like strawberry seeds.
100+ Gemstones
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Birthstones
Birthstones are gems assigned to the month of a person*s birth. They are popular gifts in the U.S.
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Lightning Strikes Map
Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Gem Silica
Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
The Brewery Rock ?
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Great Rift Valley
The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Meteorites
Knipex 5001250 Carpenters' Pincer Black Plastic Coated 10 In - Rocks that were once parts of planets or large asteroids.
Geology Tools
Geology Tools - Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Fluorescent Minerals
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Uses of Marble
BMW E30 E36 adjustable FCAB 22mm HEX type (E46 control arm swap) are numerous and diverse. You will be surprised by how it is used.
Petrified Wood
Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.
Troglobites
Troglobites are creatures that have adapted to a permanent life in the darkness of a cave.
Curling Stones
Curling Stones are made from a special type of granite, found at just a few locations worldwide.
What is Geology?
What is Geology? The study of Earth materials, structures, processes and life over time.
Ruby and Sapphire
Pair Harley Davidson Sportster 1200 Black Cylinder Jugs w/ Pisto are the 2nd and 3rd most popular colored stones in the United States.
Tallest Tsunami
Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Morganite
Morganite is an orange to pink gemstone, a variety of beryl, that is growing rapidly in popularity.
Rhyolite
Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Tallest Mountain
Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
Crater of Diamonds
Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Green River Fossils
The Green River Formation is one of the most famous rock units in the world for its fossils.
Volcanic Explosivity
Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
Mineral Hardness
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Rare Earth Elements
Rare Earths - Special materials used in electronics, defense, medical & many other products.
Grape Agate
Grape Agate is a popular mineral specimen with the color and the shape of a bunch of grapes.
Darvaza Gas Crater
The Doorway to Hell is a flaming sinkhole seeping natural gas that has been burning for decades.
Rhodochrosite
Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Largest Diamonds
World*s Largest Diamonds Records for the largest rough, faceted and carbonado diamond.
Rock Tumblers
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Hawaiian Hot Spot
How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
What Is Earth Science?
What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
What is LNG?
What is LNG? Liquefied Natural Gas. The gas is condensed into a liquid for efficient transport.
Map of the Oceans
Map of the Oceans - showing the Atlantic, Pacific, Indian, Arctic, and Southern Oceans.
Watch out for Ticks!
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Hand Lens
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Cinnabar
Cinnabar - the only important ore of mercury. Used in pigments until its toxicity was realized.
Tallest Waterfall
Angel Falls in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
The British Isles
Names Used for Great Britain, British Isles, United Kingdom, and Ireland. What they mean.
Waterproof Paper
Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Fire Opal
Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Don*t Go To Jail
Know the Rules before removing rocks, fossils or minerals from public or private property.
The Acid Test
The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Record Lightning
World Record Lightning - this lake has more lightning than any other place in the world.
Sliding Rocks
Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Utica Shale
Utica Shale is a major source of oil, natural gas and natural gas liquids in PA, OH and WV.
Largest Volcanoes
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Gems from Space
Extraterrestrial Gems - A number of materials from space are used as attractive gems.
Cave of the Hands
Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
Coal Close Up
Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Earthquake Maps
California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.
Mount Etna
Mount Etna - The most active volcano in Europe continues an eruption that started in 2001.
Spinel
45 Tooth Idler Gear for Galfre / Tonutti Disc Mowers 02.0069.000 - Is spinel the world*s most overlooked gem?
Mars Meteorites
Mars Meteorites Mars rovers have found dozens of meteorites while exploring the red planet.
Underwater Volcano
Hawaii*s Next Island could be growing in the Pacific Ocean right now. Its name is Lo*ihi.
American Gemstones
Mined in America - Small mines in the United States produce a diversity of beautiful gemstones.
Copper
Copper is a metal used in coins, electronics, pipes, wiring, motors, alloys and many other products.
Uses of Talc
Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
DeLorme Atlas
47" 8 Tub Ice cream dipping cabinet NSF Storage on Bottom HoldsTopo Maps - The DeLorme Atlas is an entire state of topo maps in one convenient book.
Canary Islands
Where Are the Canary Islands? Off the northwest coast of Africa, 60 miles west of Morocco.
Homeowners Insurance
Fleetguard af26152 air filter Semi Truck Air Filter Cleaner Brea might not cover earthquake, hurricane and other geohazard damage.
Largest Hurricanes
Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?