Info

Fern-spore spike

Yes

No

Yes (13)

Yes (19)

No

Iridium anomaly

9.0 ppb

1.2 ppb

6.0 ppb

56.0 ppb

25.0 ppb

Claystone layer

Yes

Yes

Yes

Yes

Yes

Shocked minerals

No

No

Yes (17)

Yes (17)

Yes (17)

Magnetostratigraphy

No

No

No

No

No

Radiometric dates

No

No

No

No

No

K vertebrates below

No

No

No

No

No

T vertebrates above

No

No

No

No

No

K leaves below

No

No

No

No

No

T leaves above

No

No

No

No

No

Locality name

(51) Clear Creek South

(52) Madrid

(53) Berwind Canyon

(54) Long Canyon

(55) Carmel

Latitude

37° 04' 30" N

37° 07' 30" N

37° 17' 48" N

37° 07' 36" N

37° 07' N

Longitude

104° 31' 01" W

104° 38' 00" W

104° 37' 13" W

104° 36' 00" W

104° 37' W

County

Las Animas

Las Animas

Las Animas

Las Animas

Las Animas

State/Province

Colorado

Colorado

Colorado

Colorado

Colorado

Country

0 0

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