In contrast, pedogenic overprinting of Unit 2a must have occurred after 25 ka or 16 ka, and before ~11 ka. This implies low to intermediate lake levels (<3mAHD) and environmental conditions sufficiently wet to provide moisture for noteworthy pedogenesiswhen Lake Frome seems to have undergone a major change towards fluctuating but more ephemeral and saline environments during or immediately after the LGM (De Deckker et al., 2011).
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