Predicting iron staining of siderite-bearing microsyenites intended for dimension stone use.

From: Construction and Building Materials | Date: March 1, 2008| Author: | Copyright information

Abstract

This paper reports on the investigation into the performance of a microsyenite rock containing siderite, as a secondary mineral phase, from the disused Mt Gibraltar quarry in the Bowral district, 100 km south-west of Sydney in New South Wales, Australia. Such a rock has been extensively used in the past as a dimension stone for a number of major building facades, curbstones and pavements in Sydney. Laboratory and field exposures of stone samples, conducted under controlled or measured environmental conditions, have shown through petrography that the siderite ...

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