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Tree-level moduli stabilization via geometric and non-geometric fluxes intype IIB orientifolds on Calabi-Yau manifolds is investigated. The focus is onstable non-supersymmetric minima, where all moduli are fixed except for somemassless axions. The scenario includes the purely axionic orientifold-oddmoduli. A set of vacua allowing for parametric control over the moduli vacuumexpectation values and their masses is presented, featuring a specific scalingwith the fluxes. Uplift mechanisms and supersymmetry breaking soft masses onMSSM-like D7-branes are discussed as well. This scenario provides a completeeffective framework for realizing the idea of F-term axion monodromy inflationin string theory. It is argued that, with all masses close to the Planck andGUT scales, one is confronted with working at the threshold of controlling allmass hierarchies.

A Flux-Scaling Scenario for High-Scale Moduli Stabilization in String Theory