--> --> Figure 2. Apparent bed thickening of repeated strata measured in a vertical well penetrating overturned bedding. A vertical well will measure true bed thickness when strata are near-horizontal (A to B) but exaggerated thickness when folded strata intersect the well at a dip angle (B to A’).

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Figure 2. Apparent bed thickening of repeated strata measured in a vertical well penetrating overturned bedding. A vertical well will measure true bed thickness when strata are near-horizontal (A to B) but exaggerated thickness when folded strata intersect the well at a dip angle (B to A’).