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Recent studies in the Arkhangelsk region, northwest Russia, have identified at least three consecutive tills all associated with the last Valdaian (Weichselian) glaciation. The Scandinavian ice sheet deposited a Late Valdaian till (ca. 17 ka BP), whereas two tills were deposited in the Early-Middle Valdaian by the Barents/Kara Sea ice sheet (ca. 45-60 ka BP) and an older ice sheet with an eastern...
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