“…Recent studies of tabular massive ice have been conducted along the western Arctic coast of Canada (Murton, ; Fritz et al ., ), central Yukon (Lauriol et al ., ), the Alaskan Coastal Plain (Kanevskiy et al ., ), the Canadian Arctic islands (Coulombe et al ., ) and northwest Siberia (Slagoda et al ., , , ; Kritsuk, ; Leibman et al ., ; Solomatin and Belova, ; Fotiev, , ; Y. K. Vasil'chuk et al ., , , , ; Vasiliev et al ., ). Intrasedimental and buried ice have been distinguished on several lines of evidence.…”