Coal (dark) and sandstone (light) of Raton Formation near Trinidad, Colorado. Photo by Vince Cronin.

Sedimentary Rocks Home Page

Decision-tree graph for identifying sedimentary rocks: http://croninprojects.org/Vince/PhysGeoLab/SedRox-Table-V4.pdf

Click on the underlined links in the tables below to view an example of that rock or mineral.

Minerals commonly associated with sedimentary rocks

Sedimentary Rocks

• arkose
• breccia 1
• breccia 2
• breccia 3
• claystone
• coal (anthracite)
• coal (bituminous)
• coal (lignite) 1
• coal (lignite) 2
• coal (peat) 1
• coal (peat) 2
• chert 1
• chert 2
• conglomerate 2
• conglomerate 2
• coquina
• graywacke 1
• graywacke 2
• limestone
• limestone (coraline) 1
• limestone (coraline) 2
• limestone (fossiliferous) 1
• limestone (fossiliferous) 2
• limestone (fossiliferous) 3
• limestone (fossiliferous) 4
• limestone (fossiliferous) 5
• limestone (fossiliferous) 6
• limestone (micrite or microcrystalline) 1
• limestone (micrite or microcrystalline) 2
• limestone (oolitic)
• mudstone
• rock gypsum 1
• rock gypsum 2
• rock salt
• sandstone (fossiliferous)
• sandstone (pebbly) 1
• sandstone (quartz) 1
• sandstone (quartz) 2
• sandstone (quartz) 3
• sediment
• shale 1
• shale 2
• shale 3
• silicified wood
• siltstone 1
• siltstone 2

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