Earth science out of doors Urban fieldwork
Video 3 - Colours in building stones
Video question script 
Urban fieldwork - the stories from natural materials; colours, lines and shapes
Video 1 - Car park aggregate; shapes, colours
Video 2 - Shapes in concrete aggregate
Video 2 - Shapes in concrete aggregate
The present is the key to the past
Rock around your school
Stratigraphic principles
Watery world of underground chemistry
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