We present a geometric representation of bipartite quantum correlations based on a global spinorial structure. The framework provides an explicit mapping between measurement interaction and observed detector outcomes via a deterministic projection–threshold mechanism. The construction reproduces the singlet correlation form and clarifies how correlation structure can arise from geometric constraints on a global configuration rather than from pre-assigned subsystem properties. Probabilistic descriptions are treated as emergent at the level of repeated experiments, not as fundamental primitives. The framework is not formulated in terms of joint counterfactual assignments and is therefore not naturally expressed within the standard Bell–CHSH representation. The model yields a concrete experimental signature through threshold-dependent corrections to observed correlations.