| To Stratum: the block is cut parallel to the direction of sedimentation, on the surface of the slab which highlights voids of circular shape due to the rising of gas bubbles in the sedimentation phase. |  |
| Against Stratum:Â the block is cut orthogonally to the direction of sedimentation, on the surface of the slab which highlights voids of flattened and lengthened shape in the direction of the stratification, due to the rise from gas bubbles and to the pressure of the overwhelm banks above those below. |  |
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Semi-Finished Semi-Finished - Way of cutting
Semi-Finished Semi-Finished - Way of cutting
Semi-Finished - Way of cutting
