anticline
Definition
Noun: - A geological structure where rock layers are folded into an arch-like shape, with the oldest layers at the core and younger layers on the flanks. Anticlines are typically convex upward in cross-section.
Usage Examples
- (A folded rock structure shaped like an arch.)
- (The highest point of the fold can trap petroleum.)
- (The upward fold was clear from above.)
Advanced Usage
"anticlinal axis": the central line along the crest of an anticline.
- The anticlinal axis runs north-south through the valley. (The line of highest folding.)
"anticline trap": a geological formation where oil or gas is trapped in the crest of an anticline.
- The reservoir is an anticline trap, making it ideal for drilling. (A structure that holds hydrocarbons.)
Variants and Related Words
Anticlinal (adj): relating to or forming an anticline.
- The anticlinal fold was studied for its mineral deposits. (Describing the arch-shaped structure.)
Anticlinorium (n): a large, complex anticline composed of smaller folds.
- The region features a massive anticlinorium spanning several kilometers. (A major fold system.)
Synonyms
- Upfold: a general term for a fold that arches upward.
- Arch: a simple, non-technical term for a curved rock structure.
Related Idioms