The single-aliquot regenerative-dose (SAR) protocol applied to coarse-grain feldspar

The application of the single-aliquot regenerative-dose (SAR) protocol to e quivalent dose determination in coarse-grain feldspar is investigated. An o utline of the protocol is presented, and basic tests of its performance are discussed. It is shown that the method is robust and yields results simila r to those obtained with a single-aliquot additive-dose (SAAD) procedure. T he use of the SAR procedure for fading tests is also discussed. We conclude that the SAR protocol for coarse-grain feldspar yields several advantages over previously used multiple-aliquot and single-aliquot methods. The metho d is fast and precise, the equivalent dose is obtained by interpolation, an d the method corrects for sensitivity changes. The luminescence age obtaine d by SAR and additive-dose dating of the coarse-grain feldspar separates us ed in this study do, however, underestimate the independently estimated geo logical age of the samples. (C) 2000 Elsevier Science Ltd. All rights reser ved.