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Repeating patterns standing for rock type in a section.
Also known as: Lithology patterns, Section ornament
In a geological section each rock type is drawn with a conventional pattern — dots for sandstone, dashes for shale, a brick pattern for limestone. The patterns are near-universal in geological publishing although no single body mandates them internationally.
Represent rock types in a geological cross-section by a conventional repeating pattern rather than by colour.
Contexts: Technical drawing, Maps
Are near-universal in practice — stippling for sandstone, dashes for mudstone, a brick pattern for limestone — although no single international body mandates them.
Contexts: Technical drawing, Maps
Areas of a cross-section filled with repeating dots, short dashes, brick-like rectangles or interlocking wedges.