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boulder
Sign in to saveAlso known as bowlder
thumb|This Balancing rock|balancing boulder, "[[Balanced Rock", stands in Garden of the Gods park in Colorado Springs, Colorado, United States.]] thumb|Boulder in British Columbia, Canada thumb|Kämmenkivi stone on the Pisa hill in Kuopio, Finland thumb|Balanced granite boulders at Hyderabad, India In geology, a boulder is a rock fragment with size greater than in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In common usage, a boulder is too large for a person to move. Smaller boulders are us
Wikidata facts
- Diameter
- 25.6
- Image
- Letipea hiidrahn.jpg
Show 3 more facts
- Commons category
- Boulders
- OpenStreetMap tag
- natural=stone
- Unicode character
- 🪨
via Wikidata · CC0
~2 min read
Article
5 sectionsContents
- Etymology
- About
- See also
- References
- External links
thumb|This Balancing rock|balancing boulder, "[[Balanced Rock", stands in Garden of the Gods park in Colorado Springs, Colorado, United States.]] thumb|Boulder in British Columbia, Canada thumb|Kämmenkivi stone on the Pisa hill in Kuopio, Finland thumb|Balanced granite boulders at Hyderabad, India In geology, a boulder is a rock fragment with size greater than in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In common usage, a boulder is too large for a person to move. Smaller boulders are usually just called rocks or stones.
== Etymology == The word boulder derives from boulder stone, from Middle English bulderston or Swedish bullersten. It was previously sometimes spelled bowlder, which survives as a less common variant spelling.