Supplemental material: 2.5 B.Y. of Punctuated Earth History as Recorded in a Single Rock
journal contributionposted on 01.01.1999 by John W. Goodge
Any type of content formally published in an academic journal, usually following a peer-review process.
GSA Data Repository Item 9986, Geology, Vol. 27, p. 1007. File size: 1 p., about 35 K bytes.