Geological Mapping · mapping-4-9

Ridge interpreted in an anticlinal setting

The ridge aligned with the interpreted anticline is consistent with a resistant bed exposed around a folded structural high, but positive relief is not direct proof of an anticline.

Ridge interpreted in an anticlinal setting

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Geological interpretation and evidential boundary

The ridge aligned with the interpreted anticline is consistent with a resistant bed exposed around a folded structural high, but positive relief is not direct proof of an anticline. A rigorous test requires mapped repetition of stratigraphic units, outward or inward younging appropriate to the fold, systematic limb dips, closure or plunge evidence, and a fold-axis solution independent of the landform. A simple resistant lithologic rib, volcanic body or drainage divide could generate the same silhouette. Accordingly, the image contributes regional-scale geomorphic coherence to the fold model but should carry lower evidential weight than measured bedding and cross-section balancing. Its value lies in checking whether the proposed geometry explains landscape organisation without being derived from that landscape alone.

Source
Private mapping source vault · geological evidence record
Location in source
PDF page 63
Image quality
Source scan
Record ID
mapping-4-9