碱玄质响岩

碱玄质响岩(英语:Tephriphonolite) 是一种基性至中间性喷出岩,其矿物成分介于响岩质碱玄岩和响岩之间[1]。 其含碱量为9%至14%和含二氧化矽量为48%至57%(见 TAS 图)[2]。根据QAPF分类图表,碱玄质响岩大致介于碱玄岩响岩 [3]

出露地区

意大利的 Colli Albani 火山[4]和宾夕法尼亚州的亚松森裂谷 [5]

参考文献

  1. ^ "Unusual Lava Types". Strongly Alkaline Lavas. San Diego State University. Archived from the original on 2020-11-05. Retrieved 2016-09-11.
  2. ^ Bailey, Roy A. (2004). "Eruptive History and Chemical Evolution of the Precaldera and Postcaldera Basalt-Dacite Sequences, Long Valley, California: Implications for Magma Sources, Current Seismic Unrest, and Future Volcanism". United States Geological Survey: 17.
  3. ^ Le Maitre, R.W. (editor) (2002). Igneous Rocks — A Classification and Glossary of Terms (2nd ed.). Cambridge: Cambridge University Press. p. 32. ISBN 0-521-66215-X.
  4. ^ Campagnola, S.; Vona, A.; Romano, C.; Giordano, G. (2016). "Crystallization kinetics and rheology of leucite-bearing tephriphonolite magmas from the Colli Albani volcano (Italy)". Chemical Geology. Elsevier. 424: 12–29. Bibcode:2016ChGeo.424...12C. doi:10.1016/j.chemgeo.2016.01.012.
  5. ^ Velázquez, V.F.; Riccomini, C.; de Barros Gomes, C.; Kirk, J. (2011). "The Cretaceous Alkaline Dyke Swarm in the Central Segment of the Asunción Rift, Eastern Paraguay: Its Regional Distribution, Mechanism of Emplacement, and Tectonic Significance". Journal of Geological Research. 2011: 1–18. doi:10.1155/2011/946701.