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A note on an occurrence of pseudo-pumice along the beaches of Goa and Karnataka

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Title A note on an occurrence of pseudo-pumice along the beaches of Goa and Karnataka
 
Creator Jumaila, C P Ummu
Pattan, J N
Mascarenhas, Antonio
Parthiban, G
Moraes, C
Khedekar, V D
 
Subject Pumice
Beaches
Goa
Karnataka
Composition
Foam glass/artificial
 
Description 365-370
Clasts showing typical physical features of pumice were found scattered along
the beaches of Goa and Karnataka.  Their chemical composition suggests a large
variation in SiO2 content (69% to 93%), with an unusual strong
positive Ce-anomaly. These light weight fragments  do not correspond with natural pumice, but
rather appear to be similar to the chemical composition of foam glass / artificial
pumice available in the market. Therefore, it is concluded that these pumice clasts are a waste product of silica based industries (most probably originating from the ship breaking yards in
Gujarat), that found its way towards the beaches of Goa and Karnataka by
the action of waves and southerly littoral currents.
 
Date 2016-07-05T10:08:21Z
2016-07-05T10:08:21Z
2015-03
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/34691
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.44(03) [March 2015]