monoclinal
/,mɔnə'klainəl/
Definition
- Adjective:
- Relating to a geological structure where rock strata dip uniformly in a single direction: Describes a fold or flexure in rock layers resulting in a one-sided slope, distinct from symmetrical folds like anticlines or synclines.
Usage
- Used primarily as a technical term in geology to describe the structure and orientation of rock layers.
- Typically modifies nouns such as "structure," "fold," "slope," or "limb."
Examples
- Adjective:
- The region is characterized by a monoclinal fold, with sedimentary layers dipping consistently to the east.
- A monoclinal structure often forms a noticeable escarpment or cuesta on the landscape.
Advanced Usage
- "Monoclinal flexure": A specific term for a step-like fold in rock strata.
- The Colorado Plateau is bounded in places by major monoclinal flexures.
Variants and Related Words
- Monocline (noun): The geological structure itself—a bend in rock layers where the strata are horizontal except on one side, where they dip.
- The Waterpocket Fold in Utah is a well-known monocline.
Synonyms
- Homoclinal (adj.): A less common synonym with the same meaning.
- Unidirectional dip (noun phrase): A descriptive phrase for the same orientation.
Notes
- This is a specialized scientific term. In general English, simpler terms like "tilted layers" or "one-sided slope" might be used descriptively.
- Do not confuse with "monoclinic," which is a term in crystallography describing a crystal system.
Adjective
-
of a geological structure in which all strata are inclined in the same direction
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