Figure 3 from Finney and Edwards (IMAGE)

Geological Society of America

Figure 3 from Finney and Edwards

Caption

Golden spike emplaced in bed that is Global Standard Stratotype Section and Point (GSSP) for the Thenetian Stage. Length of "rock hammer": 5 cm.

Credit

Stan Finney and Lucy Edwards; GSA Today

Usage Restrictions

Credit: Stan Finney and Lucy Edwards; GSA Today

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.