A calc–silicate rock is a rock produced by metasomatic alteration of existing rocks in which calcium silicate minerals such as diopside and wollastonite are produced.[1] Calc–silicate skarn or hornfels occur within impure limestone or dolomite strata adjacent to an intruding igneous rock.[2]

Calc-silicate rock from San Benito County, California

References

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  1. ^ Whitley, Sean; Halama, Ralf; Gertisser, Ralf; Preece, Katie; Deegan, Frances M; Troll, Valentin R (April 2020). "Magmatic and Metasomatic Effects of Magma–Carbonate Interaction Recorded in Calc-silicate Xenoliths from Merapi Volcano (Indonesia)". Journal of Petrology. 61 (4). doi:10.1093/petrology/egaa048. ISSN 0022-3530.
  2. ^ Geologic units containing calc-silicate rock, USGS