Definition of diatreme in English:
A long, vertical pipe or plug formed when gas-filled magma forced its way up through overlying strata.
- Various architectures connecting extrusive mud volcanic cones to their underlying source layer have been described, ranging from bulbous diapirs to steep diatremes and narrow vertical pipes.
- The only known igneous rocks in the area are Permian periodotite and lamprophyre dikes as well as diatremes of ultramafic composition associated with the Fluorite district.
- The Sloan deposits proved to be uneconomic and were closed; however, the Kelsey Lake diatremes in Colorado opened in 1996 with high expectations.
Definition of diatreme in:
- British & World English dictionary
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