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In March 1980 the Mount St Helens volcano in Washington state became active after over a century of quiet. For two months it displayed a variety of geological phenomena that captivated the public and...
Surface features and structural differences between older and younger basaltic flows of an active volcano, Mt Etna, are illustrated. Rock samples from the two, rather distinct layers reveal differences in...
A record of the British 1975 caving expedition to New Guinea. Twenty cavers spent six months wholly within the tropics, the central highland region which offers great thicknesses of limestone (over 3000...
Shows the vibrator trucks operating and shows and describes the geophones and back-up electronics. Describes the basis of the technique of vibroseis surveying and shows an example of output.
A visual record of the eruption of Mount St Helens in the state of Washington in May 1980 and the associated scientific investigations.
Compiled mainly from photographs of British coastal and inland outcrops with some line drawings and rock specimens. Includes variations in fold and fault morphology, their minor structures, the ‘way up’...
Shows some of the varied landforms that occur in the Sahara Desert and compares them with rocks formed in similar environments in Britain millions of years ago.
Two illustrated lectures, recorded live, of a series for postgraduates in which distinguished speakers present some of their latest work on specialised aspects of Quaternary studies. The 1978 lecture is...
Leading earth scientists discuss their interest in, and their contribution to, the development of the theory of plate tectonics.
Examines the discovery and development of understanding earth’s magnetosphere, particularly as affected by solar radiation.
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