shale

Image credit: James St. John

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mineral precipitates

CaCO3

fossiliferous limestone coquina oolite travertine

limestone breccia micrite chalk

(Ca,Mg)(CO3)2 dolostone

SiO2 diatomite chert

Fe2O3 ironstone

clastic

conglomerate breccia sandstone shale

organic carbon

peat lignite bituminous coal anthracite

shale

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Resources: shale

Image Galleries

• Google images: shale

• Flickr Image gallery, James St. John: shale

• Mindat.org image gallery: shale

Other Resources

• Sandatlas: shale

• Mindat.org: About shale

• shale and mining in Minerals Education Coalition