Textures and Structures of Sedimentary Rocks

If you wish to use any of these photos, contact duncan.heron@duke.edu.

For larger view, click on picture or words.

Gravel (Boulders) (Photo © Duncan Heron) Woodall Shoals, South Carolina

*Conglomerate (Photo © Duncan Heron) From a mill stone, probably the Millstone Grit in the Sanford Triassic Basin, NC

Thin Section of Conglomerate

Sand Bar (Photo © Duncan Heron) Woodall Shoals, SC

*Sandstone (Photo © Duncan Heron) I forgot the location.

Thin Section of Sandstone

Mud Mud and Ancient Shale (Photo © Duncan Heron) Eastern KY

Siltstone (Photo © Duncan Heron) Triassic of Durham Basin, NC

Thin Section of Oolite (Photo by Ron Perkins)

Fossils in Sand (Photo © Duncan Heron) North of Spanish Point, Island of Barbuda (Leeward Islands)

Fossils in Thin Section

Bedding on a Grand Scale (Photo by Ruth Eddy)

*Cross Bedding in Sand (Photo © Duncan Heron) Middendorf Formation, Fayetteville, NC

Modern Ripples in Sand (Photo © Duncan Heron) Back Sound, Beaufort, NC

Ancient Ripples (and Mudcracks) (Photo © Duncan Heron) Appalachians of Virginia

*Mudcracks (Photo © Duncan Heron) East TN

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