Hartland Shale Member
Geology
Group: Colorado
Formation: Greenhorn Limestone
Lithologies: not reported (1), "shale" (4), chalk (1), "limestone" (1)
Paleoenvironments: marine indet. (2), deep subtidal ramp (1), offshore ramp (1), offshore (3)
Age range: base of the Late/Upper Cenomanian to the top of the Early/Lower Turonian or 99.60000 to 89.30000 Ma
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Cenomanian | USA (Kansas) | (44280) | |
Late/Upper Cenomanian | USA (New Mexico) | (44245) | |
Late/Upper Cenomanian | USA (South Dakota) | (44286) | |
Late/Upper Cenomanian | USA (Colorado) | (132505 177116) | |
Late/Upper Cenomanian | USA (Kansas) | (106182) | |
Early/Lower Turonian | USA (Kansas) | (213404) |