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Coal dikes that intrude lamprophyre sills; purgatoire river valley, Colorado

DOI

26

Citations

0

References

1971

Year

Melvin H. Padwysocki, Russell R. Dutcher
Economic Geology

Abstract

Fluidization of coal by heat from adjacent lamprophyric sills, injection by lithostatic pressure into fractures in partially cooled sills, metamorphism of dike subsequent to injection