Rock Identification Chart

Identifying Rocks

science Rock Cycle - When picking rocks for hardscapes use Metamorphic rock, especially with water (so it doesn't leach anything into water) also important to know what type of rockscape animals may have evolved in.

basalt rocks , giants causeway, Ireland.  RocksInMyHead™ is the World’s Greatest Rock, Prospecting & Outdoor Education Company.   For gold prospecting, rockhounding, lapidary and geology tools, and jewelry making supplies, equipment, books, maps, great outdoor gear, plus lots of great rocks, minerals, gemstones, fossils, & meteorites, go to our website http://RocksInMyHead.com.

Perfect hexagonal columnar joint basalt rocks, Giants Causeway, near Bushmills, Antrim County, Ireland

Geologic Folds in the Lower Ugab valley in Namibia - photo from northseattle.edu--- Wow!

ggeology: “Geologic Folding // Lower Ugab Valley, Namibia ” Note how some of the layer thicknesses change as you approach the hinge of the fold - could be some deformation happening within the layers.

The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.

The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs

The Art of Rock Folding by Ern Mainka--Geological rock folding in sedimentary layers on beach coastline, Croajingalong National Park, Victoria, Australia. Approx 5×3 foot section shown.

'The Art of Rock Folding' (photo by Ern Mainka). Geological rock folding in sedimentary layers on beach coastline, Croajingalong National Park, Victoria, Australia

Vintage Geology Wall Chart Rocks & Minerals by HoofAndAntler

Vintage Geology Wall Chart Rocks & Minerals by HoofAndAntler-tells us what are some Rocks versus some Minerals

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