O'Shea et al 2021, Central Oregon Obsidian from a submerged early Holocene...

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
OS-109842 Alpena-AmberlyRidge (Lake Huron) MI 7960 ± 55 -25.12
UGAMS-19168 Alpena-AmberlyRidge (Lake Huron) MI 8102 ± 26 -25.6
OS-110722 Alpena-AmberlyRidge (Lake Huron) MI 8080 ± 35 -26.54
UGAMS-19163 Alpena-AmberlyRidge (Lake Huron) MI 8432 ± 27 -26.3
UGAMS-19170A Alpena-AmberlyRidge (Lake Huron) MI 8163 ± 26 -26.2
UGAMS-19170B Alpena-AmberlyRidge (Lake Huron) MI 8797 ± 27 -27.0
UGAMS-22925 Alpena-AmberlyRidge (Lake Huron) MI 8201 ± 29 -28.1