Focus on Sedimentary Environments

A Pliocene carbonate beach

Roman Quarry near Cala Pi, Mallorca, Spain

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quarry face
 zoom in
enlarged image
The quarry face.
thumbnails

The grains

Take a close look at the rock in this image and in the enlarged image, then try to answer the questions below:

Identify the dominant grain shape(s):
equant (cubic or spherical)
 oblate (disc-shaped)
 bladed
 prolate (rod or roller shaped)

What other shape features do the grains show? What does this suggest about their origin?

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