Original: The status of the Kaigas '' glaciation '' or '' cooling event '' is currently unclear ; some workers do not recognize it as a glacial , others suspect that it may reflect poorly dated strata of Sturtian association , and others believe it may indeed be a third ice age .
Simplified: The status of the Kaigas glaciation or '' cooling event '' is unclear . Some do not recognize it as glacial , and others believe it may indeed be a third ice age .