Physical Geology of Shallow Magmatic Systems by Christoph Breitkreuz & Sergio Rocchi

Physical Geology of Shallow Magmatic Systems by Christoph Breitkreuz & Sergio Rocchi

Author:Christoph Breitkreuz & Sergio Rocchi
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham


In summary, mafic sills represent high-velocity and high-density sheets in sedimentary basins. Seismically, they can be viewed as homogenous, isotropic layers. The intrusions are commonly associated with a velocity aureole of similar thickness to that of the sills, as confirmed by both mineralogical and thermal modelling (Aarnes et al. 2010). A caveat is that shallow sills and invasive flows emplaced into unconsolidated sediments may have significantly lower velocities due to intense fracturing or the development of peperitic layers.



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