Lowe, David J.Alloway, Brent V.Shane, Phil A.R.Graham, I.J.2016-05-0220082016-05-022008Lowe, D. J., Alloway, B. V., & Shane, P. A. R. (2008). Far-flung markers. In I. J. Graham (Ed.), A Continent on the Move: New Zealand Geoscience into the 21st Century (pp. 170–173). Geological Society of New Zealand in association with GNS Science.978-1-877480-00-3https://hdl.handle.net/10289/10152Tephras are fragmentary materials that are blasted explosively into the air during volcanic eruptions. Distributed throughout Zealandia, tephras provide useful markers for connecting and dating land surfaces, sediment layers, and archaeological sites.application/pdfen© 2008 Geoscience Society of New Zealand. Used with permission.Chapter in Book