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Minerals
Home
» Rocks
Rocks
Most Popular
Free Guide to Rock Tumbling:
Step-by-step guide to tumble polishing rocks into
gemstones
. Also,
How to Select a Tumbler
.
Sliding Rocks - Racetrack Playa
How these rocks slide across a dry lake bed is a mystery. Photo © iStockphoto / Stephan Hoerold
Spectacular Yosemite Rockfall:
A photo sequence of rockfall and debris avalanche by Herb Dunn.
Wall Arch Collapses:
Wall Arch, a popular feature at Arches National Park Collapsed in the night on August 4, 2008.
Petroglyphs
and
Pictographs
A world-wide collection of rock art. © iStockphoto / Kevin Lange.
Mineral Rights / Surface Rights
Who owns the minerals under your land? Have they been sold?
Opal Pictues and Descriptions:
A colorful photo gallery showing different types of opal.
"A Grain of Sand"
: A gallery of sand grains from around the world as photographed through a microscope by Dr. Gary Greenberg.
Igneous
Igneous Rocks
: Photos and facts about intrusive and extrusive igneous rocks.
Andesite
Basalt
Diorite
Gabbro
Granite
Obsidian
Pegmatite
Peridotite
Pumice
Rhyolite
Scoria
Tuff
Uses of Granite:
The rock used everywhere from the kitchen to the facing stone of skyscrapers.
Carbonatite Lava Flows:
Some of the most fluid lavas in the world!
Metamorphic
Metamorphic Rocks
: Photos and facts about foliated and non-foliated metamorphic rocks.
Amphibolite
Gneiss
Hornfels
Marble
Phyllite
Quartzite
Schist
Slate
Geology News
Oregon Geology Field Trip Guides
: The Fall 2009 issue of Oregon Geology features...
Future Copper Prices and Supply Situation
: "A financial analysis of the global copper market...
Cleaning the North Pacific Gyre
: The Great Pacific Garbage Patch – a mass...
Mechanical Fish Study Water Conditions
: Faculty at Michigan State University have been creating...
National Geothermal Data System
: The Arizona Geological Survey has received a $15.7...
Geothermal Well Erupts into a Geyser
: A German news site reports on a geothermal...
Lava Flows of the Kilauea East Rift Zone
: NASA's Earth Observatory has released a satellite image...
Dust Plumes Over the Mediterranean Sea
: NASA's Aqua Satellite captured this spectacular image of...
The Next Satellite Collision?
: February's collision between a dead Russian military satellite...
Landslide at Pigeon Gorge, North Carolina
: Dave Petley has photos and a description of...
Sedimentary
Sedimentary Rocks
: Photos and facts about clastic, chemical and organic sedimentary rocks.
Breccia
Chert
Coal
Conglomerate
Iron Ore
Limestone
Rock Salt
Sandstone
Shale
Siltstone
Coal Through a Microscope
: Coal is more than a black rock. It's THE most interesting rock.
Marcellus Shale
: The most overlooked resource in the eastern United States!
Great Bahama Bank:
A spectacular satellite image of the Bank, islands and surrounding ocean - a classic carbonate environment.
Colorado Oil Shale:
A USGS reassessment reveals that there is 50% more in-place oil than preveiously estimated.
