| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|
| 703.00 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 708.00 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 713.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 718.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 723.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 728.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 733.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 738.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Second White Specks | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
| 693.20 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | | Hedbergella loetterlei Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | claystone | 93.9 - 89.8 Ma
Late/Upper Cretaceous |
| 748.20 m bed, GSC loc. C167148, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Belle Fourche | Verneuilinoides perplexus Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 99.6 - 93.5 Ma
Late/Upper Cretaceous |
| 753.20 m bed, GSC loc. C167148, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Belle Fourche | Verneuilinoides perplexus Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 99.6 - 93.5 Ma
Late/Upper Cretaceous |
| 769.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 774.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 779.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 784.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | sandstone | 105.3 - 99.6 Ma
Cretaceous |
| 789.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 794.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 799.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 809.70 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 814.40 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 824.40 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
| 829.40 m bed, GSC loc. C167141, Amoco Youngstown | Bloch J. D., Schröder-Adams C. J., et al (1999) | Colorado - Westgate | Miliammina manitobensis Zone (Caldwell et al., 1978); meters indicate depth at which sample was taken | siltstone | 105.3 - 99.6 Ma
Cretaceous |
