Conglomerate (geology)

Carmelo Formation (Conglomerate) at Point Lobos, California

Puddingstone outcrop

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A conglomerate is a rock consisting of individual clasts within a finer-grained matrix that have become cemented together.

Conglomerates are sedimentary rocks consisting of rounded fragments and are thus differentiated from breccias, which consist of angular clasts.^[1] Both conglomerates and breccias have clasts larger than sand (>2 mm).

ReferencesEdit

↑ "Conglomerate Rocks." Conglomerate Rocks on Rock Hound. Archived 2010-07-26 at the Wayback Machine Rock Hounds. Retrieved on July 29, 2007.

A puddingstone: pebbles from a former beach cemented by silica

A polished puddingstone snuff bottle

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[1] "Conglomerate Rocks." Conglomerate Rocks on Rock Hound. Archived 2010-07-26 at the Wayback Machine Rock Hounds. Retrieved on July 29, 2007.

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