No
No
No
Yes (8)
No
Iridium anomaly
No
No
No
No
No
Claystone layer
No
No
No
No
No
Shocked minerals
No
No
No
No
No
No
No
No
Yes (8)
No
Radiometric dates
No
No
No
No
No
K vertebrates below
Yes
No
No
Yes
Yes
T vertebrates above
No
No
No
Yes (8)
No
K leaves below
No
No
No
No
No
T leaves above
No
No
No
No
No
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