Mahood, Gail K-Ar dating young rhyolitic rocks : a case study of the Sierra La Primavera, Jalisco, Mexico bibliogr. p. 1241 ISSN: 00167606 Subjects--Topical Terms: K-ArDatationRoche volcaniqueRhyoliteEruptionArgonPrécision Subjects--Index Terms: Mexique Jalisco