Info

0M

Fern-spore spike

No

No

Yes (20)

Yes

No

Iridium anomaly

27.0 ppb

8.0 ppb

27.0 ppb

8.2 ppb

13.3 ppb

Claystone layer

Yes

Yes

Yes

Yes

Yes

Shocked minerals

Yes (17)

Yes (17)

Yes (17)

No

Yes

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

(56) South Table Mountain

(57) Kiowa Core

(58) Castle Pines Core

(59) West Bijou Site

(60) Type Lance Area

Latitude

39° 44' 53» N

39° 21' 08.7" N

39° 27' 27" N

39° 34' 14» N

43° 17' 31" N

Longitude

105° 09' 44" W

104° 27' 59.1" W

104° 53' 45" W

104° 18' 09" W

104° 41' 19" W

County

Jefferson

Elbert

Douglas

Arapahoe

Niobrara

State/Province

Colorado

Colorado

Colorado

Colorado

Wyoming

Country

0 0

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