Search for any geological feature below
–then click on the image to see a larger version in its correct format, a more detailed caption, and an ID number.
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SOME POINTERS:
Photos typically include their locations, so you can use locations as keywords too. You get more hits with shorter words, and fewer hits as you become increasingly specific with increasing numbers of keywords. It’s best to use singular rather than plural (eg “volcano” instead of “volcanoes”).
As some words are included in others (“salt” within “basalt,” for example) you might want to be more specific to avoid getting a bunch of irrelevant photos.
Or you can just scroll down and see the most recently added photos… Enjoy!
table salt –halite cubes
halite has 3 perpendicular directions of cleavage –so it breaks into cubes. You can see this with ordinary table salt. (Min-20)
Download Imagebiotite and muscovite micas
Phyllosilicate minerals: biotite (black) and muscovite (white). Min-04
Download Imagemuscovite and folded foliation
Photomicrograph of folded schist –about 1 cm across. folds are defined by platy white micas. (Met-31)
Download Imagequartz mylonite in thin section
Photomicrograph of top-to-right mylonitic quartzite. Met-29.
Download Imagechlorite-rich gneiss
Retrograde metamorphism: chloritic gneiss. Note the normal faults
Download ImageTalc deposit, Death Valley, California
Talc deposit, formed by contact metamorphism at contact of mafic sill and dolomite. Proterozoic Crystal Spring Formation, Death Valley National Park, California. (Met-21)
Download ImageContact metamorphism, Montana
Contact metamorphism: calc-silicate skarn (mostly garnet) in marble. (Met-22)
Download ImageFolded Proterozoic gneiss, Colorado
Folded Proterozoic gneiss intruded by granitic rock, Colorado. (Met-18)
Download ImageGneiss and granitic sills (vertical)
Gneiss and granitic sills, Rocky Mountain. National Park, Colorado. Longs Peak in background. (Met-15)
Download Image
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