In this paper is presented a research in which samples of Romanian zeolitic (clinoptilolite) volcanic tuff and clay minerals of Lower Badenian age were tested in the ammonium removal process from wastewaters.

The largest landslides on the south coast of England are those associated with failure surfaces in montmorillonite-rich mudstones close to the base of the Gault Formation (mid Cretaceous). Those at Folkestone, Sussex (Trenter & Warren, 1996), Ventnor, ...

<p>This paper evaluates the suitability of some smectite-rich samples from northern Patagonia (Argentina) for pharmaceutical use. The clays must comply with some general features before considering their use in pharmacy, including high mineral and chemical ...

<p>This report is a collection of stress - strain charts which were produced by deforming selected simulated fault gouge materials.</p>

This study is concerned with the dispersion characteristics of montmorillonite, kaolinite, and illite clay minerals in waters of different hardness and the relation of these characteristics to the control of canal seepage by artificial sedimentation. The ...