Geological structures exposed
A short introduction to this album.
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Geological structures exposed - for iPod/iPhone
Understanding mountain building involves unraveling how and why rocks deform. Geologists Nigel Harris and John Whalley tour the Scottish segment of the Caledonian orogenic Belt to untangle t...
Geological structures exposed - for iPod/iPhone Podcast Guide
Listen to Geological structures exposed - for iPod/iPhone, a Science & Medicine podcast. Stream 24 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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20 of 24 episodesTranscript -- Geological structures exposed
Transcript -- A short introduction to this album.
Overview of the Orogenic Belt
The three main components of the Orogenic Belt; Lewisian gneisses, Torridonian sandstone and sediments laid down from Cambrian times.
Transcript -- Overview of the Orogenic Belt
Transcript -- The three main components of the Orogenic Belt; Lewisian gneisses, Torridonian sandstone and sediments laid down from Cambrian...
A history of movement
Evidence that the Moine Thrust is the result of frictional sliding.
Transcript -- A history of movement
Transcript -- Evidence that the Moine Thrust is the result of frictional sliding.
Ductility of the Structures
The ductility of structures of rocks from the Dalradian supergroup.
Transcript -- Ductility of the Structures
Transcript -- The ductility of structures of rocks from the Dalradian supergroup.
Kinematic indicators
Evidence of indicators which suggest the direction of movement within slices of rock.
Transcript -- Kinematic indicators
Transcript -- Evidence of indicators which suggest the direction of movement within slices of rock.
Using dikes as kinematic indicators
A dike that is deflected 45 degrees when entering a sheer zone provides a valuable kinematic indicator.
Transcript -- Using dikes as kinematic indicators
Transcript -- A dike that is deflected 45 degrees when entering a sheer zone provides a valuable kinematic indicator.
Shear Zone movement
An assymetric porphyroblast reveals a sense of movement within Myelenite gneissic banding.
Transcript -- Shear Zone movement
Transcript -- An assymetric porphyroblast reveals a sense of movement within Myelenite gneissic banding.
Locating synforms
Asymmetric fold pairs and ductile structures in the inner zone at Scotlands Kilmore Bay.
Transcript -- Locating synforms
Transcript -- Asymmetric fold pairs and ductile structures in the inner zone at Scotlands Kilmore Bay.
Cleavage vergence test
Evidence for crossing the axis of the synfold.
Transcript -- Cleavage vergence test
Transcript -- Evidence for crossing the axis of the synfold.
Structural chronology
A closer look at folds and deformation.
Transcript -- Structural chronology
Transcript -- A closer look at folds and deformation.