Sylhet Limestone Formation, Group

Geology

Formations: unnamed (1), Lakadong (20), Lakadong (1), Prang (18)

Members: unnamed (11)

Lithologies: packstone (1), grainstone (1), "limestone" (51)

Paleoenvironments: carbonate indet. (1), shallow subtidal indet. (4), open shallow subtidal (8), lagoonal/restricted shallow subtidal (19), reef, buildup or bioherm (1), slope/ramp reef (8), deep subtidal ramp (11)

Age range: base of the Late/Upper Paleocene to the top of the Serravallian or 58.70000 to 11.62000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Thanetian59.2 - 56.0India (Meghalaya) (214673 216235 216236 216237 216238 216239 216240 216241 216242 216243)
Late/Upper Paleocene - Early/Lower Eocene58.7 - 48.6India (Meghalaya) (214563)
Ypresian56.0 - 47.8India (West Bengal) (215230)
Ypresian56.0 - 47.8India (Meghalaya) (214611 216244 216245 216246 216247 216248 216249 216250 216251 216253)
Early/Lower Eocene55.8 - 48.6India (148413)
Early/Lower Eocene - Middle Eocene55.8 - 37.71India (148414)
Lutetian47.8 - 41.3India (148412)
Lutetian47.8 - 41.3India (West Bengal) (215231 215251 215252 215253 215254 215255 215260)
Lutetian47.8 - 41.3India (Meghalaya) (214594 214595 214596 214699 214700 214701 214702 214703 214704 214705 214706 214707)
Middle Eocene47.8 - 37.71India (Assam) (81937)
Bartonian - Priabonian41.3 - 33.9India (Meghalaya) (214708 214709 214710 214711 214712 214713)
Langhian - Serravallian15.97 - 11.62India (Little Andaman Island) (221965)