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Newbury varves

Country: USA
Region: New Hampshire
Varve Category: clastic varves
Archive Type: lacustrine sediments
Lake Type: glacial
Elevation: 360.0
DOI / Reference Link: Access Link
Reference: Ridge, J.C. (March 22, 2015). The North American Glacial Varve Project
Picture 1:
na gvp

Author of Picture 1:
Description: The North American Glacial Varve Project
varve with dots

Description: Newbury core section showing the spike in varve thickness at NE 7500 (arrow) that may represent a change in lake level or large flood event much further up valley. Middle: Newbury core showing the transition at the beginning of the IACP (NE 7923, arrow). Prominent groups of thick and thin varves that mark 20 to 25-yr cycles are identified. Right: The transition (arrow) from thin to thicker sandy varves that marks the beginning of the Younger Dryas in the Newbury section.
Picture Type: macroscopic