Sill swarm

A sill swarm in geology is a major group of sills intruded within continental crust. They are located under volcanic edifices, including flood basalt provinces and large lava plateaus. The volume of sill swarms can be similar to dike swarms.^[1]

Examples

^ Best, Myron G., Igneous and Metamorphic Petrology, Wiley - Blackwell, 2002, 2nd ed., p. 216 ISBN 978-1-4051-0588-0
^ Mingguo Zhai (editor) (2015). Precambrian Geology of China. Berlin: Springer. p. 182. ISBN 978-3-662-47884-4. {{cite book}}: |author= has generic name (help)
^ Greco, G. A.; et al. (2015). "Geology, structure and age of the Nahuel Niyeu Formation in the Aguada Cecilio area, North Patagonian Massif, Argentina". Journal of South American Earth Sciences. 62: 12–32. doi:10.1016/j.jsames.2015.04.005. {{cite journal}}: Explicit use of et al. in: |author= (help)
^ Gillespie, M R.; et al. (2012). "BGS classification of lithodemic units: a classification of onshore Phanerozoic intrusions in the UK" (PDF). Report RR/12/01. British Geological Survey. p. 38. Retrieved 22 December 2015. {{cite web}}: Explicit use of et al. in: |author= (help)
^ Hildebrand, R. S.; et al. (2010). "The Calderian orogeny in Wopmay orogen (1.9 Ga), northwestern Canadian Shield" (PDF). GSA Bulletin. 122: 794–814. doi:10.1130/B26521.1. {{cite journal}}: Explicit use of et al. in: |author= (help)

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