GEOL108 Lecture Notes - Lecture 2: Convective Heat Transfer, Differential Stress, Lithosphere
Document Summary
1 physical or mechanical layering: earth can be divided into layers based on, lithosphere. cr st / upper mantle behaves rigidly: asthenosphere. Plastic that can stretch-eventually breaks: processes, three exist than can cause differential stress imelting (eg / vol. I plate tectonics general theory explanation about how solid earth operates: tectonics result from movement and interaction of rigid plates of lithosphere. Hoher makes it less dense und it begins to rise; releasing it"s heat: pull of sinking plates. , where plates meet: regions (10-1005 km wide ) of faulted crust ustress (forcelarea) concentrated along boundries. - pushing pen on paper: active de formation i movement along faults. Types of plate boundries: divergent: tension and rifting (extension), melting, formation of oceanic crust, convergent compression. Melting and creation of contential crust: transtorm-shear. plutes move parallel to boundry. plate boundries is where there are differential stress.
