Permeability and elastic properties of rocks from the northern Hikurangi margin: Implications for slow-slip events
Nicola Tisato,
Carolyn Bland,
Harm Van Avendonk
et al.
Abstract:Fluid flow and pore-pressure cycling are believed to control slow slip
events (SSEs), such as those that frequently occur at the northern
Hikurangi margin (HM) of New Zealand. To better understand fluid flow in
the forearc system, we examined the relationship between elastic
properties, compaction, porosity, and permeability of
Cretaceous-to-Pliocene sedimentary rocks from the Raukumara peninsula.
We found that the permeability of the deep wedge is too low to drain
fluids, but fracturing increases permeability… Show more
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