(of a conglomerate) consisting of fragments of several different rock types.
〔地质〕（砾岩）含复矿碎屑的
polymict eucrites
Example sentencesExamples
Most bodies consist of monomict gabbro breccia resting directly on polymict conglomerate.
The landslide rests on a polymict conglomerate and the lower 2 m of the landslide is intensely brecciated.
In summary, the Cranford Limestone Formation is a poorly sorted polymict conglomerate with a predominantly carbonate matrix.
They consist of unconsolidated polymict breccias with angular fragments up to 2 m in diameter, within a sandy matrix, which shows poorly developed flow-parallel bedding.
The Psammite Zone is characterized by metamorphosed feldspathic arenites with some shales, lithic arenites and rare polymict conglomerates.