  We study the Mott transition in a frustrated Hubbard model with next-nearest
neighbor hopping at half-filling. The interplay between interaction,
dimensionality and geometric frustration closes the one-dimensional Mott gap
and gives rise to a metallic phase with Fermi surface pockets. We argue that
they emerge as a consequence of remnant one-dimensional Umklapp scattering at
the momenta with vanishing interchain hopping matrix elements. In this
pseudogap phase, enhanced d-wave pairing correlations are driven by
antiferromagnetic fluctuations. Within the adopted cluster dynamical mean-field
theory on the $8\times 2$ cluster and down to our lowest temperatures the
transition from one to two dimensions is continuous.
