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Diamonds
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Energy
Fossils
Gemstones
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Gold
Landslides
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Meteorites
Minerals
Oceanography
Oil and Gas
Plate Tectonics
Rocks
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Teacher Resources
U.S. Maps
Volcanoes
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World Records

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Hawaiian Hot Spot
How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
Turquoise
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ipad翻油管加速软件 - A bluish-green gem material that has been used for over 6000 years.
Dangerous Mines
Abandoned Mine Accidents
Abandoned Mine Accidents kill several people every year. Education can prevent deaths.
What Is The Moho?
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苹果怎么看油管 The Mohorovicic Discontinuity is the mantle/crust boundary.
Emerald
Emerald
Emerald is the most popular green gemstone in the United States and most of the world.
Ant Hill Garnets
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Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Largest Diamonds
world's largest diamonds
World*s Largest Diamonds Records for the largest rough, faceted and carbonado diamond.
Google Earth - Free
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Free Google Earth software allows you to browse seamless world satellite images. Free.
Crushed Stone
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The Unsung Mineral Hero - and the commodity upon which almost everything is built.
Wall Maps
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Wall Maps - Wall maps of the world, continents, states and the USA.
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Cave of the Hands
Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
Chalcopyrite
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国内苹果手机怎样使用油管 - The most important ore of copper for over five thousand years.
Geodes
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ipad使用youtube look like ordinary rocks on the outside but can be spectacular inside!
Diamonds
Diamonds
Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
Geology News
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Geology News - News about geology, earth science, energy, and more. Updated daily.
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Granite - The intrusive igneous rock that underlies continents and countertops.
The Brewery Rock ?
diatomite
ipad翻油管加速软件 - Geologists are beer experts and should know about this rock.
Landslides
Landslides
Landslides A USGS fact sheet about landslides and events that trigger them.
Hardness Picks
hardness picks
Hardness Picks - Test for hardness with precise and easy-to-use hardness picks.
Fluorescent Minerals
Fluorescent Minerals
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Rock and Mineral Kits
Rock Kits
Rock & Mineral Kits The best way to learn about rocks and minerals is with specimens!
DeLorme Atlas
DeLorme Atlas
Topo Maps - The DeLorme Atlas is an entire state of topo maps in one convenient book.
Petrified Wood
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Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.
Meteorites
Meteorites
Meteorites - Rocks that were once parts of planets or large asteroids.
Geology Tools
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ipad使用youtube Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Plate Tectonics
Plate Tectonics
Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth.
Gemstones
Gemstones
Gemstones - Colorful images and articles about diamonds and colored stones.
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Tallest Waterfall
苹果国内怎么上油管 in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
Fireworks & Minerals
Minerals and Fireworks
The Science of Fireworks Learn how the colors and shapes are created.
Copper vs COVID-19
Copper vs COVID-19
Copper Kills COVID-19 and many other pathogens to limit the spread of disease.
Grape Agate
Grape Agate
Grape Agate is a popular mineral specimen with the color and the shape of a bunch of grapes.
The British Isles
British Isles
Names Used for Great Britain, British Isles, United Kingdom, and Ireland. What they mean.
Rocks
Rocks
Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.
Minerals
Minerals
Minerals - Descriptions, photos, articles, properties and uses for common minerals.
Types of Maps
Types of Maps
Types of Maps - Explore some of the most popular types of maps that have been made.
Rhyolite
Rhyolite
Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Colored Diamonds
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
苹果怎么看油管视频 - Coal is more than a black rock. It is THE most interesting rock.
Peridotite
Peridotite
Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
100+ Gemstones
colored stones
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Largest Hurricanes
Largest Hurricanes
Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?
Opals
Opal
Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
Herkimer Diamonds
Herkimer Diamonds
ipad使用youtube Doubly-terminated quartz crystals used as specimens and gems.
Lapis Lazuli
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Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Gems from Space
Gems from Space
Extraterrestrial Gems - A number of materials from space are used as attractive gems.
Uses of Marble
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ipad使用youtube are numerous and diverse. You will be surprised by how it is used.
Volcanoes
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Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
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quartzite
Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
What Is Earth Science?
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What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Molybdenite
Molybdenite
苹果油管youtube怎么上 is the primary ore of molybdenum which is used in superalloys and as a lubricant.
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Tourmaline
Tourmaline - an extremely colorful mineral and gem material.
Teacher Resources
Teacher Resources
Teacher Resources - K-12 resources for teaching about earth science.
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Crater of Diamonds
Crater of Diamonds - The only diamond mine in the world where you can be the miner.
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Great Rift Valley
The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Homeowners Insurance
Homeowners Insurance
Homeowners Insurance might not cover earthquake, hurricane and other geohazard damage.
Rare Earth Elements
Rare Earth Elements
Rare Earths - Special materials used in electronics, defense, medical & many other products.
Hand Lens
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Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Hurricane Names
Hurricane Names
How Are Hurricanes Named? There is a plan for naming tropical storms.
Don*t Go To Jail
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Know the Rules before removing rocks, fossils or minerals from public or private property.
Mount Cleveland
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Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Gem Silica
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Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Geology Books
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Geology Books - A variety of books for reference, field trips, reading and more.
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What is Geology?
What is Geology? The study of Earth materials, structures, processes and life over time.
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Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Charoite
Charoite
Charoite is a purple silicate mineral, found only in Russia, used as a gem material.
Mount Vesuvius
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Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.
UV Mineral Lamp
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Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
What is a Maar?
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What is a Maar? The second most common volcanic landscape feature on Earth.
San Andreas Fault
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What is the San Andreas Fault? Map, photos and description of the fault.
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Gold Pans
苹果油管youtube怎么上 - classifiers, snuffer bottles. Learn how to pan for Gold.
Birthstones
Birthstones
Birthstones are gems assigned to the month of a person*s birth. They are popular gifts in the U.S.
Bear Attacks
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Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Sliding Rocks
Sliding Rocks
Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Ilmenite
Ilmenite
Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Fool*s Gold
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
苹果国内怎么上油管 Mars rovers have found dozens of meteorites traveling around the red planet.
Chalk
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Chalk is a variety of limestone formed from fine-grained marine sediment known as ooze.
Ruby and Sapphire
ruby and sapphire
Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Mineraloids
Mineraloids
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Fire Opal
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Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Waterproof Paper
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Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Novarupta
Novarupta
Novarupta - The most powerful volcanic eruption of the 20th century occurred in the U.S.A.
Horizontal Drilling
Horizontal Drilling
Horizontal Drilling has opened new resources and significantly improved productivity.
Sand
Sand
苹果油管youtube怎么上 is a diverse material. This gallery includes photos of sand from around the world.
Greatest Ocean Depth
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Deepest Point in the Ocean The deepest point in the ocean is in the Mariana Trench.
Field Courses
Field Camps
Field Courses - Over 80 field courses for undergraduate geology students.
Shale
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Shale - The rock that has quickly transformed the oil and gas industry.
Corundum
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Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
American Gemstones
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Mined in America - Small mines in the United States produce a diversity of beautiful gemstones.
Largest Earthquake
Largest Earthquake
Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960.
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Debris Flows are moving masses of loose mud, sand, soil, rock and water.
Gifts That Rock
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Gifts That Rock - What are the most popular gift items in the Geology.com store?
Record Lightning
Lake Maracaibo Lightning
World Record Lightning - this lake has more lightning than any other place in the world.
Tallest Mountain
Tallest Mountain
Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
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The Acid Test
The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Tanzanite
tanzanite
Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.
Obsidian
Obsidian
Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass.
Kyanite
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Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems.
Watch out for Ticks!
Ticks
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Lo'ihi Seamount
Lo'ihi Seamount
The Next Hawaiian Island could be growing in the Pacific Ocean right now. Its name is Lo'ihi.
US Diamond Mines
US Diamond Mines
US Diamond Mines - Did you know that diamonds have been mined in the United States?
Rock Art
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Rock Art - People have been marking on rocks for thousands of years.
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Rock-Forming Minerals - most of Earth*s crust is made-up of a small number of minerals.
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Phytoplankton Blooms
Phytoplankton Blooms - Satellite images of explosive marine plankton blooms.
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Types Of Eruptions
Types of Volcanic Eruptions - A description of the most common eruption types.
Expansive Soil
Expansive Soil
Expansive Soil causes more damage than floods, hurricanes & tornadoes combined.
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Rhodochrosite
苹果油管youtube怎么上 - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Labradorite
Labradorite
Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color.
Soapstone
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Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Blue Flames
Blue Flames
Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano.
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Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Misconception
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Diamond Misconception - Many people think that diamonds form from coal. Not True!
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Tallest Tsunami
Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Volcanic Explosivity
Volcanic Explosivity
Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected.
Uses of Talc
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Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
Ethiopian Opal
Ethiopian opal
Ethiopian Opal - The new opal heavyweight that might give Australia a run.
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Diabase
Diabase - the rock selected for Stonehenge and transported 240 miles in 2100 BC.
Mount Etna
Mount Etna
苹果手机看油管教程 - The most active volcano in Europe continues an eruption that started in 2001.
Cinnabar
Cinnabar
Cinnabar - the only important ore of mercury. Used in pigments until its toxicity was realized.
Mineral Hardness
Mohs Hardness Test
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Hematite
Hematite on Mars
Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
Lightning Strikes Map
Lightning Strikes Map
Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
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Morganite
Morganite is an orange to pink gemstone, a variety of beryl, that is growing rapidly in popularity.
Pyroxene Minerals
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Pyroxene Minerals are a group of chain silicate minerals found in igneous and metamorphic rocks.
Storm Surge
Storm Surge
ipad使用youtube can be the most damaging and deadly aspect of a hurricane.
E.T. Volcanoes
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Solar System Volcanoes - Earth is not the only location of volcanic activity.
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Uses of Gold
The Many Uses of Gold - Unique properties make gold one of the most useful metals.
What is a Geyser?
What is a Geyser?
What is a Geyser? Photos and information about geysers in many parts of the world.
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California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.
Utica Shale
Utica Shale
Utica Shale is a major source of oil, natural gas and natural gas liquids in PA, OH and WV.
Bear Map
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Range of Bear Species - Where you might encounter different types of bears.
Methane Hydrate
Methane Hydrate
ipad使用youtube deposits contain more fuel value than all other fossil fuels combined.
Hydraulic Fracturing
Hydraulic Fracturing
Hydraulic Fracturing increases well yield by fracturing the reservoir rock with fluid injection.
Coquina
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Coquina - A porous limestone composed almost entirely of fossil debris.
Zircon
Zircon
ipad使用youtube is the primary ore of zirconium and a gemstone that is available in many colors.
Frac Sand
Frac Sand
Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing.
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Olivine
Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
Diamond Producers
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苹果怎么看油管视频 leaders include: Botswana, Russia, Angola and Canada.
Largest Volcanoes
Largest Volcanoes
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
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Salt Domes
Salt Domes - Salt structures that are often associated with oil and natural gas accumulations.