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NSS
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Journal of Cave and Karst Studies, 2000, Vol 62, Issue 2, p. 72-74
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Summary of the Timing of Sulfuric-Acid Speleogenesis for Guadalupe Caves Based on Ages of Alunite
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Polyak, V. J. , Provencio, P. P.
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Abstract:
The H2SO4 caves in the Guadalupe Mountains, New Mexico, USA, such as Carlsbad, Cottonwood,
Endless, Lechuguilla, and Virgin caves, formed during the late Miocene and early Pliocene (12-4 Ma).
It has been demonstrated that the caves at the higher elevations are the oldest. The timing of speleogenesis
was determined by the 40Ar/39Ar dating of the mineral alunite, which is a direct by-product of H2SO4
speleogenesis.
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