Mitchell, C.J.
ORCID: https://orcid.org/0000-0002-5911-5668; Bloodworth, A.J..
1989
Evaluation of pumice from Costa Rica as lightweight aggregate.
Nottingham, UK, British Geological Survey, 28pp.
(WG/89/021)
(Unpublished)
Abstract
Pumice is a pale coloured, highly vesicular volcamc glass, usually occurrmg as massIVe
blocks or unconSOlidated, fragmented material. It is formed from sl1icic lava rich in dissolved
volatiles particularly water vapour, which on eruption generates a frothy mass.
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