Definition

Noun: A rock outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth. It is the part of a rock formation that appears above the surface of the surrounding soil and vegetation.

Usage

The term is used in geology, geography, and general description to refer to a prominent, exposed section of rock. - It is typically a singular, countable noun (e.g., an outcrop, several outcrops). - It often serves as a landmark or a point of interest for study.

Examples

• The hikers used the large rock outcrop as a vantage point to view the valley.
• Geologists examined the rock outcrop to determine the age and type of the underlying strata.
• Erosion over centuries created this dramatic rock outcrop along the coastline.

Advanced Usage

• Outcrop can be used as a verb meaning to appear or emerge at the surface. However, the noun phrase rock outcrop specifically refers to the geological feature itself.
  • The granite beds outcrop along the ridge. (Verb)
  • We studied the granite rock outcrop along the ridge. (Noun phrase)

Variants and Related Words

• Outcrop (noun): A shorter, more general form often used synonymously with "rock outcrop" in geological contexts.
• Exposure (noun): A section of rock that is exposed and visible.
• Outcropping (noun): Another term for an outcrop, emphasizing the act or result of protruding.

Synonyms

• Bluff: A steep cliff or bank, often formed by rock outcrops.
• Crag: A steep or rugged cliff or rock face.
• Ledge: A narrow, horizontal shelf of rock projecting from a cliff or slope.

Related Phrases

• Bedrock outcrop: Specifies that the exposed rock is the solid, underlying bedrock.
• Weathering outcrop: An outcrop shaped significantly by weathering processes like wind and rain.

Noun

1. the part of a rock formation that appears above the surface of the surrounding land