SEDIMENTS FROM AROUND THE LOWER YOUNGER DRYAS BOUNDARY (SE ARIZONA, USA): IMPLICATIONS FROM LA‐ICP‐MS MULTI‐ELEMENT ANALYSIS

AbstractOne of the prominent features in sediment sequences formed around the Allerod‐Younger Dryas transition (c. 12.9–12.8 ka bp) in North America is a dark layer of organic‐rich material, i.e. t...